MGX 8230 Installation and Configuration, Release 1.0
Technical Specifications
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Technical Specifications

Table Of Contents

Technical Specifications

MGX 8230 Enclosure, Power, and Performance Specifications

MGX 8230 Processor Switching Module Specifications

AUSM/B-8T1E1 Interface Characteristics

FRSM-2CT3 Specifications

FRSM-2CT3 Framer

FRSM-2CT3 Line Alarms

FRSM-2T3E3 Specifications

FRSM-2T3E3 T3 Line

T3 Framer Level

FRSM-2T3E3 E3 Line

E3 Framer Level

FRSM-2T3E3 Line Alarms

Statistics and Counter Specifications

FRSM-HS2 Specifications

Counters and Statistics for FRSM-2CT3, FRSM-2T3E3, and FRSM-HS2

FRSM-8T1 Specification

FRSM-8E1 Specification

Circuit Emulation Service Module for T1 Operation

Circuit Emulation Service Module for E1 Operation

Physical and Electrical Characteristics for Cards

Electromagnetic Compatibility

Conformance

ATM UNI

SONET/SDH

Frame Relay

Circuit Emulations Service

Safety

Environmental


Technical Specifications


This appendix provides the technical specifications relevant to the MGX 8230, its processor and service modules, and the applications and services that it provides. It contains the following sections:

MGX 8230 Enclosure, Power, and Performance Specifications

MGX 8230 Processor Switching Module Specifications

AUSM/B-8T1E1 Interface Characteristics

FRSM-2CT3 Specifications

FRSM-2T3E3 Specifications

FRSM-HS2 Specifications

Counters and Statistics for FRSM-2CT3, FRSM-2T3E3, and FRSM-HS2

FRSM-8T1 Specification

FRSM-8E1 Specification

Circuit Emulation Service Module for T1 Operation

Circuit Emulation Service Module for E1 Operation

Physical and Electrical Characteristics for Cards

Electromagnetic Compatibility

Conformance

MGX 8230 Enclosure, Power, and Performance Specifications

This section describes the physical characteristics and system power requirements for the
MGX 8230 feeder. The "MGX 8230 Processor Switching Module Specifications" section lists the dimensions, weight, and power consumption for each card. The appendix titled "Cabling Specifications" lists the AC power plugs for domestic and international use.

Table A-1 shows the MGX 8230 enclosure and electrical characteristics.

Table A-1 Enclosure and Electrical Characteristics 

Item
Value

Card Slot Capacity

Supports combinations of full and single-height service modules.
Two double-height slots reserved for PXMs.
Up to 10 single-height slots for service modules or
up to 5 double-height slots for service modules.

Enclosure Size,
AC-powered system



DC-powered system


8 Rack Units high
Height: 14.00 inches (35.56 cm).
Width: 17.72 ins (45.01 cm).
Depth: 23.5 ins (59.69 cm) (excluding cable management)


7 Rack Units high
Height: 12.25 inches (63.50 cm).
Width: 17.72 inches (45.01 cm).
Depth: 23.5 inches (59.69 cm) (excluding cable management)

Shipping Weight for
Populated Enclosure

Approximately 150 lbs.

Clearance Requirement

Minimum 30 inches front and rear; nominal 12-inch side clearance.

Power Input Voltage

AC system: Normal operating range is 100-240 VAC, 47 to 63 Hz.
The maximum voltage range is 90-264 VAC.
DC system: -42 to -56 VDC.

Each AC supply can provide up to 1200 Watts at -48 VDC.

Current Requirements,
AC System

Configuration-dependent: use Network Design Tool for exact requirements.

Current Requirements,
DC System

Configuration-dependent: use Network Design Tool for exact requirements. For general planning purposes: 25 Amps at nominal -48 VDC; 29 Amps at -42 VDC maximum.

Input AC Power
Connector

IEC 320 C13 input connector. The Appendix titled "Cabling Specifications" lists the AC power cords for a variety of countries and regions.

AC Power Cable

Provided with 8 feet (2.3 m) of 3-conductor wire with plug.

AC Plug at
Customer end

20 A NEMA L620, 3-prong plug (domestic U.S.)
13 A 250 Vac BS1363, 3-prong fused plug (UK, Ireland)
CEE 7/7 (Continental Europe)
AS3112 (Australia/New Zealand)
CEI23-16/VII (Italy)
125V/15A North America

DC Input Connections

Three-position terminal block for 10 AWG wire (4 square millimeters).

Operating Environment

0×-40× C (32×-104× F) normal operation (50× C or 122× F up to 72 hours). Maximum 85% relative humidity.

Shock

Withstands 10 G, 10 ms at 1/2 sine wave.

Vibration

Withstands 1/4 G, 20-500 Hz.

Heat Transfer to Environment

AC-powered: 4,800 BTUs.
DC-powered: 4,100 BTUs.

MGX 8230 Performance

Cell bus bandwidth

Slots 3 to 5, 10 to 12:


Slots 6 to 7, 13 to 14



~160 Mbps per slot, single speed
~320 Mbps per slot, double speed

~160 Mbps per two slots, single speed
~320 Mbps per two slots, double speed

Alarm and error handling

Same as MGX 8850 and IGX 8400 series switches


MGX 8230 Processor Switching Module Specifications

This section contains general specifications for the MGX 8230 Processor Switch Module
(MGX 8230-PXM). The information in Table A-2 includes information for the two types of back cards—the PXM-UI user interface for the switch and the uplink card for trunking and CPE access.

Table A-2 PXM Specifications 

Category
Description

Maximum switch fabric throughput

2 times OC-12.

Control access

(These ports exits on the
PXM-UI back card)

Control port: RJ-45 connector, EIA/TIA 232, DTE mode, asynchronous interface 19,200 baud, 1 start bit, 1 stop bit, no parity bits.

Maintenance port: RJ-45 connector, EIA/TIA 232, DTE mode, asynchronous interface 9600 baud, 1 start bit, 1 stop bit, no parity bits.

LAN port: RJ-45 connector, 10BASET, 802.3 Ethernet.

Uplink ports and connectors

(An uplink card can have
one of these number and type of connectors. The wavelength on optical lines is 1310 nm)

4 OC-3 multi-mode fiber, SC connectors
4 OC-3 single-mode fiber, intermediate reach, SC connectors
4 OC-3 single-mode fiber, long reach, SC connectors

Number of logical ports

32 across all physical ports on the uplink card (regardless of line type).

LEDs on PXM front card

(LEDs display status, but alarm history is a switch)

Status for the card:

Green means active.

Red means failed.

Yellow indicates the standby card.

LAN activity: flashing green indicates activity.

Node alarm:

Blue indicates critical alarm

Red indicates major alarm.

Yellow indicates minor alarm.

Node power (note that each AC power supply also has an LED):

"DC OK A" is green for okay or red for trouble.

"DC OK B" is green for okay or red for trouble.

Alarm history: ACO

Port interface (for the uplink port):

Green means active and okay.

Red means active and local alarm.

Yellow means active and remote alarm.

No light means inactive or not provided.

LEDs on back cards

Green means active. No light means inactive or not provided.

Synchronization

(These clock sources satisfy Stratum 4 requirements)

8 kHz clock derived from the following sources:

Internal 8 kHz clock (10 ppm).

Service modules or trunk line interfaces.

External BITS clock port.

T1 clock rate 1.544 MHz ± 32 ppm.

E1 clock rate 2.048 MHz ± 50 ppm (can be either sync or data signal).

BITS clock interface

E1/T1 with an RJ-45 connector.

E1 with an SMB connector.

Trunk history counters

Ingress, per connection:
Number of received cells with CLP = 0.
Number of received cells with CLP = 1.

Egress, per connection:
Number of received cells.
Number of transmitted cells.
Number of received cells with EFCI bit set.
Number of transmitted cells with EFCI bit set.

Connection capacities
supported by PXM

Maximum number of connections:
16,000 bi-directional channels for local switching.
32,000 bi-directional channels for switching across uplink card.

Maximum aggregate bandwidth:
600 Mbps local switching (service module to service module).
1,200 Mbps switching across uplink.

Cell memory: 256K cells.

Processor clock speed and memory specifics

Clock speed: 200 MHz internal, 50 MHz external.

Flash memory: 2 Mbytes.

DRAM: 64 Mbytes, upgradeable to 128 Mbytes.

Secondary cache: 512 Kbytes.

BRAM: 128 Kbytes.

Hard disk: 4 Gbytes.

Alarm indicators (audible and visual)

Central office-compatible alarm indicators and controls through a DB15 connector.

Maintenance features

Internal isolation loopback.
External remote loopback.
Hot-pluggable.

Card dimensions

Front card: 15.65 inches by 16.83 inches (39.75 cm by
42.75 cm)
Back cards: 7.25 inches by 4.125 inches (18.42 cm by
10.48 cm)

Power

Requires -48 VDC, dissipates 150W.


AUSM/B-8T1E1 Interface Characteristics

This section contains details for the AUSM/B-8T1E1. For physical characteristics, see Table A-3. For the T1 and E1 characteristics, see Table A-3 and Table A-5, respectively. For ATM interface characteristics, see Table A-6. For statistics and counters, see Table A-7.l

Table A-3 Physical Characteristics of the AUSM/B-8T1E1 

Category
Description

LED Indicators Per Card

Active (green), Standby (yellow), Fail (red)

LED Indicators Per Line

One per line: Active and OK (green)
Active and Local Alarm (red)
Active and Remote Alarm (yellow)

Maintenance/Serviceability

Facility loopback via loop up/down per ANSI T1.408 and
ATT TR 62411 (T1), CCITT G.7xx (E1)
Facility Loopback via Management Console
Internal Problem Isolation Loopbacks
Hot pluggable

Card Size

Front card: 7.25" x 16.25" (18.43 cm x 41.28 cm)
Back cards: 7" x 4.5" (17.78 cm x 11.43 cm)

Power

-48 VDC, 30W

Safety

EN 60950 2nd edition (including EN 41003) UL 1950 2nd edition

Compliance

T1: G.703, G.824
E1: G.703, G.823

ESD

IEC 61000-4-2


Table A-4 T1 Interface Characteristics 

Category
Description

Line Interface

RJ-48 (100 ohms) on the LM-RJ48-8T1 back card

Line Rate

1.544 Mbps ± 50 bps (T1)

Synchronization

Transmitter can be loop-timed, receiver, or synchronized to node (normal mode)

Line Code

Bi-polar 8 Zero Substitution (B8ZS) per ANSI T1.408 (T1)

Line Framing

Extended Superframe Format (ESF 24 frame multi-frame) per ANSI T1.408

ESF Maintenance

Bit-oriented alarm and loopback messages of ESF Data Link per ANSI T1.408

Input Jitter Tolerance

Per ITU-T G.824

Output Jitter

Per ITU-T G.824 using normal mode synchronization.

Physical Layer Alarms

LOS, OOF, AIS, RAI

Physical Layer
Performance Statistics

LCV, LES, LSES, CV, ES, MGX 8230, SEFS, AISS, UAS


Table A-5 E1 Interface Characteristics 

Category
Description

Line Interface Connector

RJ-48 (120 ohms) on LM-RJ48-8E1, or SMB (75 ohms) on LM-SMB-8E1

Line Rate

2.048 Mbps ± 100 bps

Synchronization

Transmitter can be: loop timed, receiver, or synchronized to shelf (normal mode)

Line Code

HDB3 (E1)

Line Framing

16-frame multi-frame as in G.704

Input Jitter Tolerance

As specified in ITU G.823 for 2.048 Mbps

Output Jitter Generation

As specified in ITU G.823 for 2.048 Mbps

Physical Layer Alarms

LOS, OOF, AIS, RAI

Physical Layer Statistics

LCV, LES, LSES, CV, ES, MGX 8230, SEFS, AISS, UAS


Table A-6 ATM Interface Characteristics

Category
Description

Standards

ATM UNI v3.1, ITU-T G.804, per CCITT I.361.

Channel Configuration

1000 per card, across any of the T1 or E1 ports.

VPI/VCI Ranges

VPI: 0-255.
VCI: 0-4096.

Traffic Classes

CBR, VBR, VBR+.

UPC Parameters

PCR, SCR (VBR), CCDV (CBR).

Congestion Control Support

ForeSight (toward Network for VBR+).

ForeSight Parameters

MIR, PIR, Rate Up, Rate Down, QIR, QIR Timeout, IBS.


Table A-7 AUSM/B-8T1E1 Statistics and Counters

Counter Type
Description

Per Port

Number of cells received from the interface.
Number of cells received with unknown VPI/VCI.
Last known VPI/VCI received from the port.
Number of cells discarded due to error in Cell Header.
Number of cells received with non-zero GRC field.
Number of cells transmitted to the interface.
Number of cells transmitted for which EFCI was set.
Number of egress cells discarded due to service interface physical alarm.

Endpoint (channel)
 

Ingress

Number of cells received from port.
Number of cells received from the port with CLP = 1.
Number of cells received from the port with EFCI = 1.
Number of cells from the port discarded due to queue exceeded QDepth.
Number of cells (with CLP) set) discarded due to queue exceeded CLP threshold.
Number of cells from the port for which CLP was set due to UPC violations.

ATMizer Channel Counters
 

Ingress

Number of cells transmitted to cell bus.
Number of cells to cell bus for which EFCI was set.
Number of cells to cell bus discarded due to shelf alarm.

Egress

Number of cells received from the cell bus.
Number of cells discarded due to queue exceeded QDepth (per Egress Q).
Number of cells discarded due to queue exceeded CLP threshold
(per Egress Q).

Number of cells received with CLP = 1.

Other Counters
 

Ingress

Number of OAM cells discarded.
Number of AIS cells received from the port.
Number of RDI (FERF) cells received from the port.
Number SegmentLpBk cells received from the port.
Number of SegmentLpBk cells transmitted to cell bus.

Egress

Number of OAM cells discarded.
Number of AIS cells transmitted to the port.
Number of SegmentLpBk cells transmitted to the port.
Number of SegmentLpBk cells received from the port.

Diagnostic Statistics

Peak Queue Depth (Ingress: per channel).


FRSM-2CT3 Specifications

This section provides details for the FRSM-2CT3. Topics consist of the following:

Transport technology standards with which the card complies (Table A-8)

General physical attributes of the card, such as LEDs on the faceplate (Table A-9)

Line and framer characteristics (Table A-10 and "FRSM-2CT3 Framer" section)

Line alarms ("FRSM-2CT3 Line Alarms")

Table A-8 Frame Relay Interface Standards

Interface
Standard

Frame Relay Interface

ANSI T1.618, 2-octet header

ATM Layer

CCITT I.361 and ATM UNI v3.1

AAL Layer

AAL5 per ITU-T I.363

FR-Cell Interworking

Per ITU-T I.555 and I.36x.1, as summarized in "ATM-to-Frame Relay Interoperability Implementation Agreement" v 1.0


Table A-9 FRSM-2CT3 Front Card Physical Characteristics 

Feature
Significance or Value

Power

-48 VDC, 60W (estimated)

Card Status Indicator LEDs

Active (Green),
Failed (Red),
Standby (Yellow)

Line Status Indicator LEDs

Active & Okay (Green),
Active & Local Alarm (Red),
Active & Remote Alarm (Yellow)

Reliability

> 85000 hours MTBF (target)

Card Size

7.25 inches by 16.5 inches


Table A-10 FRSM-2CT3 Line Level

Feature
Significance or Value

Number of T3 Lines

Two

Line Interface Connector

75 ohm BNC

Line Rate

44.736 Mbps +/- 20 ppm

Line Coding

B3ZS

Transmit Timing

Normal or Loop timed

Input Jitter Tolerance

Per GR-449-CORE, ITU-T G.824

Output Jitter

0.05 UI maximum with jitter-free input clock

Output Pulse

Per T1.102.1993


FRSM-2CT3 Framer

The FRSM-2CT3 line framer:

Supports M13 or C-bit parity format.

Performs required inversion of second and fourth multiplexed DS1 streams per ANSI T1.107.

Generates loop-up code to the far-end device to loop back any of the DS1s or entire DS3 signal stream by way of the FEAC channel.

Automatically detects the incoming loop-up codes from the far-end device as well as loop back any of the DS1s or entire DS3 signal stream back to the far-end device. The loopback occurs at the M13 framer chip.

FRSM-2CT3 Line Alarms

For line alarms, the FRSM-2CT3 supports:

Detection and generation of Remote Alarm Indicator (RAI) signal (also known as FERF and Yellow signal)

Detection and generation of Alarm Indication Signal (AIS)

Detection of Out of Frame (OOF) condition

Detection of Loss of Frame (LOS) condition

Automatic generation of Far End Block Error (FEBE)

FRSM-2T3E3 Specifications

This section provides details for the FRSM-2T3E3. Where appropriate, it has separate sections for T3 and E3 technologies. Topics consist of the following:

Transport technology standards with which the card complies (Table A-11)

General physical attributes of the card, such as LEDs on the faceplate (Table A-12)

Line and framer characteristics for T3 operation (Table A-13 and "T3 Framer Level")

Line and framer characteristics for E3 operation (Table A-14 and "E3 Framer Level")

Line alarms ("FRSM-2T3E3 Line Alarms")

Table A-11 Frame Relay Interface Standards

Interface
Standard

Frame Relay Interface

ANSI T1.618, 2-octet header

ATM Layer

CCITT I.361 and ATM UNI v3.1

AAL Layer

AAL5 ITU-T I.363

FR-Cell Interworking

Per ITU-T I.555 and I.36x.1, as summarized in ATM-to-Frame Relay Interoperability Implementation Agreement v 1.0


Table A-12 FRSM-2T3E3 Front Card Physical Characteristics

Feature
Significance or Value

Power

-48 VDC, 60W (estimated)

Card Status Indicator LEDs

Active (Green),
Failed (Red),
Standby (Yellow)

Line Status Indicator LEDs

Active & Okay (Green),
Active & Local Alarm (Red),
Active & Remote Alarm (Yellow)

Reliability

> 85000 hours MTBF (target)

Card Size

7.25 inches by 16.5 inches


FRSM-2T3E3 T3 Line

The T3 line characteristics appear in Table A-13.

Table A-13 T3 Line Level 

Feature
Significance or Value

Number of T3 Lines

Two

Line Interface Connector

75 ohm BNC

Line Rate

44.736 Mbps +/- 20 ppm

Line Coding

B3ZS

Transmit Timing

Normal or Loop timed

Input Jitter Tolerance

Per GR-499-CORE, ITU-T G.824

Output Jitter

0.05 UI maximum with jitter-free input clock

Output Pulse

Per ANSI T1.102


T3 Framer Level

For the framing characteristics of T3 operation, the FRSM-2T3E3:

Supports C-bit parity and M13 DS3 format.

Frames to a DS3 signal with a maximum average reframe time that meets the requirements set by TR-TSY-000009 and GR-499-CORE.

Detects the alarm indication signal (AIS) in milliseconds in the presence of a 10-3 bit error rate.

When in-frame, indicates M-bit or F-bit framing errors as well as P-bit errors. In C-bit parity mode, it also indicates both C-bit parity errors and far end block errors.

FRSM-2T3E3 E3 Line

For characteristics of the line on an FRSM-2T3E3 with an E3 back card see figure A14:

Table A-14 E3 Line Level 

Feature
Significance or Value

Number of E3 Lines

Two

Line Interface Connector

75 ohm BNC

Line Rate

34.368 Mbps +/- 20 ppm

Line Coding

HDB3

Transmit Timing

Normal or Loop timed

Input Jitter Tolerance

Per ITU-T G.823

Output Jitter

0.05 UI maximum with jitter-free input clock per AT&T TR54014

Output Pulse

Per ITU-T G.703


E3 Framer Level

For line framing, the E3 operation of the FRSM-2T3E3 complies with ITU-T G.751.

FRSM-2T3E3 Line Alarms

For line alarms, the FRSM-2T3E3 supports:

Detection and generation of Remote Alarm Indicator (RAI) signal (also known as FERF and Yellow signal)

Detection and generation of Alarm Indication Signal (AIS)

Detection of Out of Frame (OOF) condition

Detection of Loss of Frame (LOS) condition

Automatic generation of Far End Block Error (FEBE)

Statistics and Counter Specifications

See the section titled "Counters and Statistics for FRSM-2CT3, FRSM-2T3E3, and FRSM-HS2" for lists of applicable statistics and counters.

FRSM-HS2 Specifications

The FRSM-HS2 is the Frame Relay module with two HSSI ports. The topics in this section are:

Transport technology standards with which the card complies (Table A-15)

General physical attributes of the card, such as LEDs on the faceplate (Table A-16)

Line and framer characteristics (Table A-17)

For lists of the counters and statistics that are available on the FRSM-VHS series of cards, see the section titled "Counters and Statistics for FRSM-2CT3, FRSM-2T3E3, and FRSM-HS2."

Table A-15 Frame Relay Interface Standards

Interface
Standard

Frame Relay Interface

ANSI T1.618, 2-octet header

ATM Layer

CCITT I.361 and ATM UNI v3.1

AAL Layer

AAL5 per ITU-T I.363

FR-Cell Interworking

Per ITU-T I.555 and I.36x.1, as summarized in ATM-to-Frame Relay Interoperability Implementation Agreement v 1.0


Table A-16 FRSM-HS2 Physical Characteristics 

Feature
Significance or Value

Power

-48V, 75W (estimated)
The SCSI2-2HSSI back card consumes 5 watts at
5 VDC and 6 watts at -5 VDC.

Card Status Indicator LEDs

Active (Green),
Failed (Red),
Standby (Yellow)

Line Status
Indicator LEDs

Active & Okay (Green),
Active & Local Alarm (Red),
Active & Remote Alarm (Yellow)

Reliability

> 85000 hours MTBF (target)

Card Size

Front card: 7.25" x 16.25" (18.43 cm x 41.28 cm)
Back card: 7" x 4.5" (17.78 cm x 11.43 cm)


Table A-17 FRSM-HS2 Line Characteristics

Feature
Significance or Value

Number of HSSI Lines

Two

Connector Type

SCSI-2

Signaling Rate

52 Mbps max

Line Alarms

Control lead is inactive

Recovered clock does not match configured line rate

Synchronization

Transmitter may be either loop-timed to Receiver (DTE mode) or synchronized to shelf (DCE mode)

Electrical Interchange Characteristics

ITU-T V.12


Counters and Statistics for FRSM-2CT3, FRSM-2T3E3, and FRSM-HS2

This section lists counters and statistics that apply to most types of cards in the FRSM-VHS group.

Table A-18 Counters per Line 

Counter

Received frames lost due to aborts

Received frames lost due to illegal header (EA bit)

Received frames lost due to CRC errors

Received frames with bit alignment errors

Received frames with unknown DLCI

Received frames with illegal frame length

Received good frame

 

Transmit frames lost due to under-run/Abort count

Transmit good frame

LMI status inquiry request count

LMI signaling protocol (keep-alive time-out count)

LMI sequence number error count

LMI status transmit count (in response to request)

LMI update status transmit count (in response to configuration changes

Frames with FECN set count

Frames with BECN set count

DE frames discarded count

Number of frames reassembled but discarded due to service interface physical layer alarm


Table A-19 Service-Related Statistics 

Service Statistic

Number of received frames

Number of bytes received

Number of frames received with DE=1

Number of frames received but discarded

Number of received bytes discarded

Number of frames received but discarded due to

CRC error

Illegal frame length

Alignment error

Abort

Number of frames reassembled and transmitted

Number of frames reassembled and transmitted with DE=1

Number of frames discarded due to reassembly errors

Number of frames transmitted

Number of bytes transmitted

Number of frames transmitted with DE set

Number of frames transmitted during LMI logical port alarm

Frames FECN set count

Frames BECN set count

Number of transmit frames discarded

Number of transmit bytes discarded

Number of transmit frames discarded due to:

CRC error

Illegal frame length

Alignment error

Abort

DE egress queue threshold exceeded

Physical link failure


Table A-20 ATM Cell-Related Statistics 

ATM Cell Statistic

Number of cells transmitted to PXM

Number of cells discarded due to intershelf link alarm

Number of cells transmitted with CLP bit set

Number of AIS cells transmitted

Number of FERF cells transmitted

Number of BCM cells transmitted

Number of end-to-end loop back cells transmitted

Number of segment loop back cells transmitted

Number of cells received from PXM

Number of cells received with CLP bit set

Number of AIS cells received

Number of FERF cells received

Number of BCM cells received

Number of end-to-end loopback cells received

Number of segment loopback cells received

Number of OAM cells discarded due to CRC-10 error


Table A-21 Diagnostic-Related Statistics 

Diagnostic Statistic

Header of last cell with unknown LCN

Header of last received frame with unknown DLCI

ECN current queue depth


Table A-22 Troubleshooting Statistics

Troubleshooting Statistic

ECN current queue depth, per channel


FRSM-8T1 Specification

This section provides information on the T1 operation of the FRSM-8T1E1 card set. Topics are

General physical information about the card set (Table A-23)

Information about the Frame Relay service (Table A-24)

System-level interface (Table A-25)

Statistics and counters (Table A-26)

Table A-23 General Card Specifications

Category
Description

Indicators per card

Active (Green), Standby (Yellow), Fail (Red)

Indicators per line

Active & Okay (Green)
Active & Local Alarm (Red)
Active & Remote Alarm (Yellow)

Line Interface connector

RJ-48 when used with RJ48-8T1 back card

Line Rate

1.544 Mbps ± 50 bps

Line Framing

ESF per ATT TR 54016

Maintenance/Serviceability Features

Internal Problem Isolation Loopbacks
Hot-pluggable cards

Reliability, MTBF

> 65000 hours

Card Size

FRSM-8T1: 7.25" x 16.25"
LM-DB15-8T1: 7.0" x 4.5"
Power: -48 VDC, 30W with 8 active T1 lines


Table A-24 Frame Relay Service With T1 Lines 

Category
Description

Synchronization

Transmitter may be either loop-timed to receiver or synchronized to shelf (called normal mode)

Input Jitter Tolerance

Per ITU-T G.824

Output Jitter Generation

Per ITU-T G.824 using normal mode synchronization

Physical Layer Alarms

LOS, OOF, AIS, RAI

Number of Frame Relay Ports

One-a single Frame Relay stream occupying N consecutive time slots

Frame Relay Interface Rates

Either of the following:

56 Kbps

N x 64 Kbps (where N is the number of consecutive time slots)

Frame Relay Interface

Per ANSI T1.618, 2-octet header

Frame Relay Performance Counters (per Port; N x DS0)

Received frames discarded due to Aborts
Received frames discarded due to illegal header (EA bit)(s)
Received frames discarded due to CRC errors (s)
Received frames discarded due to alignment errors (s)
Received frames discarded due to unknown DLCI (s)
Received frames discarded due to illegal frame length (s)
Received frames discarded due to DE threshold exceeded
Received frames with DE already set
Received frames with FECN already set
Received frames with BECN already set
Received frames tagged FECN
Received frames (s)
Received bytes (s)
Transmit frames discarded due to underrun
Transmit frames discarded due to Abort
Transmit frames discarded due to egress Q-depth exceeded (s)
Transmit bytes discarded due to egress Q-depth exceeded (s)
Transmit frames discarded due to egress DE threshold
exceeded Transmit frames (s)

 

Transmit bytes(s)
Transmit Frames with FECN set (s)
Transmit Frames with BECN set (s)

 

LMI receive status inquiry request count (s)
LMI transmit status inquiry request count
LMI invalid receive status count (s)
LMI signaling protocol (keep alive time-out count) (s)
LMI sequence number error count (s)
LMI receive status transmit count (in response to request)
LMI transmit status transmit count (in response to request)
Transmit frames during LMI alarm (s)
Transmit bytes during LMI alarm (s)
LMI update status transmit count (in response
to configuration changes)

Diagnostics (per port)

Last unknown DLCI received


Table A-25 System Interface 

Category
Description

ATM Layer

Per ITU-T I.361 and ATM UNI v3.1

AAL Layer

AAL5 per ITU-T I.363

FR-Cell Interworking

Per ITU-T I.555 and I.36x.1, as summarized in Frame Relay Forum, FR/ATM PVC Interworking Implementation Agreement FRF.5


Table A-26 List of Counters 

Category
Description

Channels (endpoints) per card

256, which you can allocate across any of the interfaces

Service Counters

Note that an (s) at the end of
the description means the
data in the counter is usable as
a statistic.

Number of frames received (s)
Number of bytes received (s)
Number of frames received with DE already set (s)
Number of bytes received with DE already set (s)
Number of frames received with unknown DLCI
Number of frames received but discarded (s)
Number of received bytes discarded (s)
Number of received bytes discarded due to exceeded Q-depth (s)
Number of frames received and discarded due to: intershelf alarm
exceeded DE threshold (s)
exceeded Q depth (s)
Number of frames received with FECN set
Number of frames received with BECN set
Number of frames received tagged FECN
Number of frames received tagged BECN

 

Number of frames transmitted (s)
Number of bytes transmitted (s)

 

Number of frames transmitted with DE set (s)
Number of frames discarded due to reassembly errors (s)
Number of frames transmitted during LMI logical port alarm(s)
Number of frames transmitted with FECN set (s)
Number of frames transmitted with BECN set (s)
Number of transmit frames discarded (s)
Number of transmit bytes discarded
Number of transmit frames discarded due to: CRC error (s)
egress Q depth exceeded (s)
egress DE threshold exceeded source abort
physical link failure (T1)
ATM cells: Number of cells transmitted to PXM
Number of cells transmitted with CLP bit set
Number of OAM AIS cells transmitted (s)
Number of OAM FERF cells transmitted (s)
Number of BCM cells transmitted
Number of OAM end-to-end loopback cells transmitted (s)
Number of OAM segment loopback cells transmitted
Number of cells received from PXM
Number of cells received with CLP bit set
Number of OAM AIS cells received (s)
Number of OAM FERF cells received (s)
Number of BCM cells received
Number of OAM end-to-end loopback cells received (s)
Number of OAM segment loopback cells received
Number of OAM cells discarded due to CRC-10 error (s)

Statistics

If any of the counters in the preceding category of Service Counters includes an "(s)," you can configure it for statistics usage

Diagnostics

Last unknown LCN received
Number of cells with unknown LCN


FRSM-8E1 Specification

This section provides information on the E1 operation of the FRSM-8T1E1 card set. Topics are:

General physical information about the card set (Table A-27)

Information about the Frame Relay service (Table A-28)

System-level interface (Table A-29)

Statistics and counters (Table A-30)

Table A-27 General Card Specifications 

Category
Description

Line Interface connector

RJ-48 when used with RJ-48-8E1 line module.
SMB when used with SMB-8E1 line module

Line Rate

2.048 Mbps ± 100 bps

Synchronization

Transmitter may be either loop-timed to receiver or synchronized to shelf (normal mode)

Input Jitter Tolerance

Per ITU-T G.823

Output Jitter Generation

Per ITU-T G.823

Physical Layer Alarms

LOS, OOF, AIS, RAI

Indicators per card

Active (Green), Standby (Yellow), Fail (Red)

Indicators per line

Active & Okay (Green)
Active & Local Alarm (Red)
Active & Remote Alarm (Yellow)

Maintenance/Serviceability Features

Internal Problem Isolation Loopbacks
Hot-pluggable cards

Reliability, MTBF

> 65000 hours

Card Size

FRSM-8E1: 7.25" x 16.25" (18.43 cm x 41.28 cm)
RJ48-8E1: 7.0" x 4.5" (17.78 cm x 11.43 cm)
SMB-8E1:  7.0" x 4.5" (17.78 cm x 11.43 cm)

Power

-48 VDC, 30W with 8 active E1 lines


Table A-28 Frame Relay Service With E1 Lines 

Category
Description

Number of Frame Interfaces

1-31 occupying N, where 1 < N < 31. Sum of all < 31 for CCS or 1-30 for CAS.

Frame Relay Interface Rates

Either 56 Kbps orN x 64 Kbps, where N is the same as defined in the preceding item the preceding item "Number of Frame Interfaces."

Ingress

8000-cell buffer shared between virtual channels/paths
standard usage parameter control (UPC)
Selective Cell Discard
Virtual Circuit Queuing
EFCI setting per VC

Egress

8000-cell storage capacity shared between four ports
Up to 12 user-selectable egress queues per port
Selective Cell Discard
EFCI setting per Queue

Frame Relay Interface

Per ANSI T1.618, 2-octet header

Frame Relay Performance Counters (per Port; N x DS0):

Received frames discarded due to Aborts
Received frames discarded due to illegal header (EA bit)(s)
Received frames discarded due to CRC errors (s)
Received frames discarded due to alignment errors (s)
Received frames discarded due to unknown DLCI (s)
Received frames discarded due to illegal frame length (s)
Received frames discarded due to DE threshold exceeded
Received frames with DE already set
Received frames with FECN already set
Received frames with BECN already set
Received frames tagged FECN
Received frames (s)
Received bytes (s)

 

Transmit frames discarded due to underrun
Transmit frames discarded due to Abort
Transmit frames discarded due to egress Q-depth exceeded (s)
Transmit bytes discarded due to egress Q-depth exceeded (s)
Transmit frames discarded due to egress DE threshold exceeded Transmit frames (s)
Transmit bytes(s)
Transmit Frames with FECN set (s)
Transmit Frames with BECN set (s)
LMI receive status inquiry request count (s)
LMI transmit status inquiry request count
LMI invalid receive status count (s)
LMI signaling protocol (keep alive time-out count) (s)
LMI sequence number error count (s)
LMI receive status transmit count (in response to request)
LMI transmit status transmit count (in response to request)
Transmit frames during LMI alarm (s)
Transmit bytes during LMI alarm (s)
LMI update status transmit count (in response to configuration changes)

Diagnostics (per port):

Last unknown DLCI that arrived


Table A-29 System Interface 

Category
Description

ATM Layer

Per ITU-T I.361 and ATM UNI v3.1

AAL Layer

AAL5 per ITU-T I.363

FR-Cell Interworking

Per ITU-T I.555 and I.36x.1, as summarized in Frame Relay Forum, FR/ATM PVC Interworking Implementation Agreement FERF.5


Table A-30 List of Counters 

Category
Description

Channels (Endpoints)

256 per card—can be allocated across any of the Frame Relay interfaces

Counters

Service Counters: Number of frames received (s)
Number of bytes received (s)
Number of frames received with DE already set (s)
Number of bytes received with DE already set (s)
Number of frames received with unknown DLCI
Number of frames received but discarded (s)
Number of received bytes discarded (s)
Number of received bytes discarded due to exceeded Q-Depth (s)
Number of frames received and discarded due to

intershelf alarm

exceeded DE threshold (s)

exceeded Q depth (s)

Number of frames received with FECN set
Number of frames received with BECN set

 

Number of frames received tagged FECN
Number of frames received tagged BECN
Number of frames transmitted (s)
Number of bytes transmitted (s)
Number of frames transmitted with DE set (s)
Number of frames discarded due to reassembly errors (s)
Number of frames transmitted during LMI logical port alarm(s)
Number of frames transmitted with FECN set (s)
Number of frames transmitted with BECN set (s)
Number of transmit frames discarded (s)
Number of transmit bytes discarded
Number of transmit frames discarded due to: CRC error (s)
egress Q depth exceeded (s)
egress DE threshold exceeded source abort physical link failure (T1)

 

ATM cells: Number of cells transmitted to PXM
Number of cells transmitted with CLP bit set
Number of OAM AIS cells transmitted (s)
Number of OAM FERF cells transmitted (s)
Number of BCM cells transmitted
Number of OAM end-to-end loopback cells transmitted (s)
Number of OAM segment loopback cells transmitted
Number of cells received from PXM
Number of cells received with CLP bit set
Number of OAM AIS cells received (s)
Number of OAM FERF cells received (s)
Number of BCM cells received
Number of OAM end-to-end loopback cells received (s)
Number of OAM segment loopback cells received
Number of OAM cells discarded due to CRC-10 error (s)
Statistics: All of the above counters followed by an (s) can be configured as statistics.
Diagnostics: Last unknown LCN received
Cells with unknown LCN count
Card General


Circuit Emulation Service Module for T1 Operation

This section contains operational details for the CESM 8T1E1 with the RJ48-8T1 back card.

Table A-31 CESM 8T1 Card Information 

Category
Description

Back Card

RJ48-8T1

Line Rate

T1: 1.544 Mbps ±50 bps

Transmit Clocking

Normal clock or SRTS generated

Line Coding

B8ZS

Frame mode

ESF

Line alarms

Loss or Signal (LOS)
Loss of Frame (LOF)
Loss of multiframe (LOMF)
Remote loss of signal or frame (RAI)
All ones received (AIS)
Bi-polar violation

Alarm indication times

Near end alarm up-count
Near end alarm down-count
Near end alarm maximum count
Far end alarm up-count
Far end alarm down-count
Far end alarm maximum count

Supported OAM cells

AIS
FERF
End-to-end loopback
Segment loopback
RTD loopback
BCM

Physical Layer Performance Statistics

N/A

LED Indicators Per Card

Active (green), Failed (red), Standby (yellow)

BERT

Active (green), Errors (yellow)

1:N Redundancy

Active (green)

Indicator for each T1

Active (green)

Reliability, MTBF

Card Size

Front card: 7.25" x 16.25" (18.43 cm x 41.28 cm)
Back card: 7" x 4.5" (17.78 cm x 11.43 cm)

Power

48 VDC, 30W

Loopbacks

On or Off


Circuit Emulation Service Module for E1 Operation

This section contains operational details for the CESM-8T1E1 with an E1 back card.

Table A-32 CESM 8E1 Card Set Details 

Category
Description

Back Card

RJ48-8E or SMB-8E1

Line Rate

E1: 2.048 Mbps ± 100 bps (50 ppm)

Transmit Clocking

Normal clock or SRTS generated

Line Coding

HDB3

Frame mode

single-frame
multi-frame

Line alarms

Loss or Signal (LOS)
Loss of Frame (LOF)
Loss of multi-frame (LOMF)
Remote loss of signal or frame (RAI)
All ones received (AIS)
Bi-polar violation

Alarm indication times

Near end alarm up-count
Near end alarm down-count
Near end alarm maximum count
Far end alarm up-count
Far end alarm down-count
Far end alarm maximum count

Supported OAM cells

AIS
FERF
End-to-end loopback
Segment loopback
RTD loopback
BCM

Physical Layer Performance Statistics

N/A

Indicators

 

Card-level

Active (green), Failed (red), Standby (yellow)

BERT

Active (green), Errors (yellow)

1:N Redundancy

Active (green)

Indicator for each T1

Active (green)

Reliability, MTBF

Card Size

Front card: 7.25" x 16.25" (18.43 cm x 41.28 cm)
Back card: 7" x 4.5" (17.78 cm x 11.43 cm)

Power

-48VDC, 30 W

Loopbacks

On or Off


Physical and Electrical Characteristics for Cards

For quick reference, Table A-33 shows physical dimensions and power consumption for each card. Detailed information for each card appears in the section of this appendix for a specific card.

Table A-33 Physical Characteristics and Power Consumption by Card 

Module
Back Cards
Front Card Dimensions (inches)
Back Card Dimensions (inches)
Weight (front and back card)
Power Consumption

FRSM-8T1

FRSM-8E1

FRSM-8T1c

FRSM-8E1c

8 T1, 8 E1

7.25 x 16.25

7.00 x 4.50

1.74 lbs/
0.76 lbs

30 Watts

FRSM-2CT3

2 T3

7.25 x 16.25

7.00 x 4.50

1.74 lbs/
0.76 lbs

60 Watts

FRSM-2T3E3

2 T3, 2 E3

7.25 x 16.25

7.00 x 4.50

1.74 lbs/
0.76 lbs

60 Watts

FRSM-HS2

2 HSSI

7.25 x 16.25

7.00 x 4.50

1.74 lbs/
0.6 lbs

75 Watts

CESM-8T1E1

8 T1, 8 E1

7.25 x 16.25

7.00 x 4.50

1.74 lbs
0.76 lbs

30 Watts

AUSM/B-8T1E1

8-T1, 8-E1

7.25 x 16.25

7.00 x 4.50

1.74 lbs
0.76 lbs

30 Watts

PXM1

OC-3c/STM-1

15.65 x 15.83

7.00 x 4.5

4.80 lbs

100 Watts


Electromagnetic Compatibility

This section lists the national and international standards for electromagnetic compatibility to which the MGX 8230 complies. It consists of a list of reference documents, a table (Table A-34) that indicates applicability of the standards, and the test levels for CE mark immunity.

The applicable standards for electromagnetic compatibility are

NEBS Systems Requirements (GR-1089-CORE)

EN 55022/08.94

EN 50081-1/01.92 and EN 50082-1/01.92 (Generic Immunity Requirements), International Electromechanical Commission (IEC 61000-4-2 through IEC 61000-4-5) European Norm designation EN 61000-4-2 through EN 61000-4-5

Details on how each standard applies in this Cisco product appear in Table A-34.

Table A-34 Electromagnetic Compatibility and Immunity 

Category
AC-Powered (110/220 VAC
DC-Powered (-48V)

U.S.A EMC

FCC Part 15, Class A

not applicable

Japan EMC

Austel 3548 Class A

not applicable

Australia EMC

VCCI Class A

not applicable

CE mark

Immunity

EMC: EN 55022 Class A

EN 50082-1 (generic immunity)

EN 61000-4-2 through -5

not applicable

NEBS

(EMC)

not applicable

EMC:
GR-1089-CORE Class A (radiated and magnetic fields) and line conductance.

GR-1089-CORE ESD (8 KV contact) RS
(10 V/meter) CS (clause 3.3.3)

European Telecom Standards (ETSI) for Surge:
ETSI 300 386-1, DC power leads only
(200 VAC-1000 VAC)


The levels for the mandatory CE mark immunity tests are

For IEC 61000-4-2 (ESD), the test level is 4.

For IEC 61000-4-3 (RS), the test level is 3.

For IEC 61000-4-4 (EFT), the test level is 4.

For IEC 61000-4-5 (Surge), the test level is 3.

Conformance

This section contains standards compliance information for features on the MGX 8230.

ATM UNI

The ATM specifications for the User-Network Interface to which the MGX 8850 complies are

ATM Forum-ATM UNI, V3.1, 1995.

ITU Recommendation I.361-B-ISDN ATM Layer Specification, March 1993.

ITU Recommendation I.371-Traffic Control and Congestion Control in B-ISDN, March 1993.

ITU Recommendation I.432-B-ISDN User Network Interface—Physical Interface Specification, March 1993.

ITU Recommendation I.610-B-ISDN Operation and Maintenance Principles and Functions, Specification, November 1995.

ANSI T1E1.2/94-002R1, Draft-B-ISDN and DS1/ATM User Network Interfaces: Physical Layer Specification.

ANSI T1E1.2/94-020, Draft-B-ISDN Customer Installation Interfaces, Physical Media Dependent Specification.

SONET/SDH

The standards and responsible organizations with which MGX 8850 SONET technology complies are as follows:

Bell Communications Research-SONET Transport Systems: Common Generic Criteria, GR-253-CORE, Issue 2, 1995.

Bell Communications Research-Broadband Switching System Generic Requirements, GR-1110-CORE, Issue 1, Sept. 1994.

Bell Communications Research-ATM and ATM AAL Protocols, GR-1113-CORE, Issue 1, July 1994.

Bell Communications Research-Generic Requirements for Operations of Broadband Switching Systems, GR-1248-CORE, Issue 2, Rev 1.

ITU-T G.707-Network Node Interface for the Synchronous Digital Hierarchy.

ITU Recommendation G.782-Types and General Characteristics of Synchronous Digital Hierarchy (SDH) Equipment, January 1994.

ITU Recommendation G.783-Characteristics of Synchronous Digital Hierarchy (SDH) Equipment Functional Blocks, January 1994.

ITU Recommendation G.832-Transport of SDH Elements on PDH Networks: Frame and Multiplexing Structures, November 1993.

ITU Recommendation G.958-Digital Line Systems based on the Synchronous Digital Hierarchy for use on Optical Fibre Cables, November 1994.

ANSI T1.105-Digital Hierarchy-Optical Interface Rates and Formats Specifications (SONET), 1991.

ANSI T1.231-Digital Hierarchy-Layer 1 In-Service Digital Transmission Performance Monitoring (SONET), 1993.

Frame Relay

The standards and responsible organizations with which MGX 8230 Frame Relay technology complies are as follows:

FRF.1.1

FRF.2.1

FRF.3.1

FRF.5

FRF.6

FRF.8

Circuit Emulations Service

ATM Forum CES 2.0.

Safety

The MGX 8230 enclosure meets all applicable regulatory agency Product Safety requirements.

UL 1950, Third Edition (Standard for Safety, Information Technology Equipment, Including Electrical Business Equipment).

CSA C22.2-#950- M95, (Standard for Safety, Information Technology Equipment, Including Electrical Business Equipment).

EN 60 950 (Safety of Information Technology Equipment, Including Electrical Business Equipment).

TS001 Austel-Safety Requirements for Customer Equipment. (Including AS3260, Safety of Information Technology Equipment)-Australia.

EN 41003 (European Product Safety Standard for Telecommunications Equipment).

Environmental

The MGX 8230 adheres to the Bellcore GR-63-CORE environmental standard.