Table Of Contents
Installing ONS 15454 SDH OC3 IR 4/STM1 SH 1310 Cards
OC3 IR 4/STM1 SH 1310 Card-Level Indicators
OC3 IR 4/STM1 SH 1310 Port-Level Indicators
OC3 IR 4/STM1 SH 1310 Card Specifications
Verify Successful Turn Up of the OC3 IR 4/STM1 SH 1310 Card
Replace an In-Service STM-N Card
Obtaining Technical Assistance
Installing ONS 15454 SDH OC3 IR 4/STM1 SH 1310 Cards
Product Name: 15454E-S1.1-4=
This document contains a description of OC3 IR 4/STM1 SH 1310 card features, installation procedures, removal instructions, and technical specifications. Use this document in conjunction with the Cisco ONS 15454 SDH Installation and Operations Guide and the Cisco ONS 15454 SDH Troubleshooting and Reference Guide when working with OC3 IR 4/STM1 SH 1310 cards.
This document contains the following sections:
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"Installation Procedures" section
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This document contains the following procedures:
"Installation Procedures" procedure
"Verify Successful Turn Up of the OC3 IR 4/STM1 SH 1310 Card" procedure
"Removal Procedures" procedure
"Reset an STM-N Card" procedure
Note
OC3 IR 4/STM1 SH 1310 Card
The OC3 IR 4/STM1 SH 1310 card provides four intermediate or short range, ITU-T G.707-, ITU-T G.957- compliant, SDH STM-1 ports. Each port operates at 155.52 MBits/s (Mbps) over a single-mode fiber span. The card supports concatenated or non-concatenated payloads at the STM-1 signal level on a per VC-4 basis. Figure 1 shows the OC3 IR 4/STM1 SH 1310 faceplate and Figure 2 shows a block diagram of the card.
Warning
Figure 1 OC3 IR 4/STM1 SH 1310 faceplate
You can install the OC3 IR 4/STM1 SH 1310 card in any multispeed or high-speed card slot. The card can be provisioned as part of a SNCP or in an Add/drop multiplexer/terminal monitor (ADM/TM) configuration. Each interface features a 1310 nm laser and contains a transmit and receive connector (labeled) on the card faceplate. The card uses SC connectors.
The OC3 IR 4/STM1 SH 1310 card supports 1+1 unidirectional and bidirectional protection switching. You can provision protection on a per port basis.
The OC3 IR 4/STM1 SH 1310 detects LOS, LOF, Loss of Pointer (LOP), Multiplex Section Alarm Indication Signal (MS-AIS), and Multiplex Section Far End Receive Failure (MS-FERF) conditions. Refer to Chapter 1, "Alarm Troubleshooting," of the "Cisco ONS 15454 SDH Troubleshooting and Maintenance Guide, R3.3" for a description of these conditions. The card also counts section and line bit interleaved parity (BIP) errors.
To enable automatic protection switching (APS), the OC3 IR 4/STM1 SH 1310 extracts the K1 and K2 bytes from the SDH overhead to perform appropriate protection switches. The DCC bytes are forwarded to the TCC-I, which terminates the DCC.
OC3 IR 4/STM1 SH 1310 Card-Level Indicators
The OC3 IR 4/STM1 SH 1310 card has three card-level LED indicators.
OC3 IR 4/STM1 SH 1310 Port-Level Indicators
You can find the status of the four card ports using the LCD screen on the ONS 15454 SDH fan tray assembly. Use the LCD to view the status of any port or card slot; the screen displays the number and severity of alarms for a given port or slot. Refer to the Cisco ONS 15454 SDH Installation and Operations Guide, R3.3 for a complete description of the alarm messages.
Figure 2 OC3 IR 4/STM1 SH 1310 block diagram
Warning
OC3 IR 4/STM1 SH 1310 Card Specifications
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ONS15454 SDH optical cards, when installed in a system, comply with these standards:–
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Installation Procedures
Use this section if you are installing or removing the OC3 IR 4/STM1 SH 1310 card for the first time. After you become familiar with ONS 15454 SDH card installation and boot up, use this section as a reference.
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Figure 3 Installing cards in an ONS 15454 SDH
Card Turn Up
Follow the steps in this section to verify card turn up. If one or more of the Cisco Transport Controller (CTC) software screen conditions according to "Verify Successful Turn Up of the OC3 IR 4/STM1 SH 1310 Card" section are not met, re-install the card. Replace the unit if the faulty state persists.
Verify Successful Turn Up of the OC3 IR 4/STM1 SH 1310 Card
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Removal Procedures
Use this section if you are installing or removing the OC3 IR 4/STM1 SH 1310 card for the first time. After you become familiar with ONS 15454 SDH card installation and boot up, use this section as a reference.
Caution
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Reset an STM-N Card
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The STM-N card should be replaced if a red FAIL LED appears.
Take these precautions before initiating an STM-N card reset to avoid causing a linear 1+1 or MSSPRing protection switch:
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<------East [Node A] West------East [Node B] West------East [Node C] West------>
In a 1+1 protection scheme, place a lockout on the protect card and verify that traffic is traveling over the working span before setting the lockout.
Replace an In-Service STM-N Card
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Related Documentation
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Obtaining Documentation
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This document is to be used in conjunction with the documents listed in the "Related Documentation" section.
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