Figure 1. Cisco 2-Port T1 and E1 High-Capacity Enhanced Digital Voice Port Adapter and Cisco 7206VXR Router
Specifications
• Medium complexity; ITU-T codecs supported: G.729a/b, G.726, and G.711
• High complexity: ITU-T codecs supported: G.729, G.729b, G.723.1, G.723.1a, and G.728
• Global System for Mobile Communications (GSM) and Enhanced Full Rate (EFR)
• Fax Relay (Group 3 up to 14.4 kbps)
Table 1. Number of Channels Supported on Enhanced Digital Voice Port Adapters
Product |
Number of High- Complexity Channels |
Number of Medium- Complexity Channels |
GSM and EFR |
Group 3 Fax |
PA-VXC-2TE1+ |
60 |
120 |
60 |
120 |
Voice Standards Support
• FRF.11 voice over Frame Relay (VoFR)
• Voice over ATM (VoAAL2 available now on the Cisco 7200 Series Routers from Cisco IOS® Software Release 12.2(2)T, and voice over AAL5 (VoAAL5) and Circuit Emulation Services (CES) available on the Cisco 7200 Series Router)
• H.323 Version 2 voice over IP (VoIP), including Reliability, Availability, and Serviceability (RAS), Fast Connect, and codec negotiation
• H.323v2 and Media Gateway Control Protocol (MGCP) 0.1 call-control protocols
DSP Features
• Fax Relay: T.30 fax protocol with relay, V.17, V.29, and V.27
• Echo cancellation: 32-ms meeting G.165
• Dual tone multifrequency (DTMF)/R2/MF/SF/CP tone detection and generation
• Dial-pulse detection and generation
• Energy-based voice activity detection (VAD) and codec-specific VAD
• Comfort-noise generator
Signaling Supported
• E1 channel associated signaling (CAS) and T1 CAS (robbed-bit signaling)
• E1 R2
• Primary Rate Interface (PRI) user and network side
• Transparent Common Channel Signaling (CCS)
• Q.SIG
• FG-D
• Multi-D Channel
Port Configured as T1 Features
• DS-1 100-ohm interfaces with RJ-48c connectors
• D4 Super Frame (SF) and Extended super Frame (ESF) framing
• Alternate mark inversion (AMI) or binary 8-zero substitution (B8ZS) line encoding
• Full facility-data-link (FDL) support and FDL performance monitoring per ANSI T1.403 or AT&T TR 54016
• Selectable DSX-1 cable length in increments from 0 to 655 feet
• Selectable DS-1 CSU line build-out: 0, -7.5, -15, and -22.5 dB
• Selectable DS-1 CSU receiver gain: 26 or 36 dB
• DS-1 line protection per UL1459/1950, FCC part 68
• Full support for DSX-1 MIB, RFC 1406, including alarm detection and reporting
• DSX-1 MIB remote access supported
• DS-0 Drop and Insert
Port Configured as E1 Features
• E1 120-ohm (G.703) with RJ-48c connectors
• Software-configurable E1 national bits
• High-density bipolar 3 (HDB3), AMI encoding
• CRC4 and non-CRC4 framing
• Full support for E1 MIB, RFC 1406, including alarm detection and reporting
• DS-0 Drop and Insert
Full Bit-error, Rate-testing Capabilities on Each E1/T1
• Programmable pseudo-random pattern up to 24 bits in length, including 211-1, 215-1, and 220-1
• 220-1 Quasi-Random Signal Sequence (QRSS), 233-1, all zeros, all ones, and alternating ones and zeros
• 32-bit-error count registers
Supported Loopbacks
• Line loopback: T1/E1 stream is looped back at the line interface unit (LIU) toward the network.
• Payload loopback: T1/E1 data stream is looped back at the framer toward the network.
• Diagnostic local loopback: T1/E1 data stream is looped back at the framer toward the system.
• Remote loopback: T1 stream is looped back at the LIU toward the network upon request from the far-end through FDL.
Network Management Support
• Cisco EMF-based element management system (EMS)
• Simple Network Management Protocol (SNMP) protocol-compliant
• Manageable through a MIB browser
• Cisco Information Center for alarm and event management
• Cisco netManager Unified Communications supported
• Netsys
Country Support
• Approved in most countries
• Software-configurable ring cadence and call progress tones
Ordering Information
Table 2. Ordering Information
Part Number |
Description |
PA-VXC-2TE1+ |
Two-Port T1/E1 High-Capacity Enhanced Digital Voice Port Adapter |
PA-VXC-2TE1+= |
Two-Port T1/E1 High-Capacity Enhanced Digital Voice Port Adapter |
Cisco IOS Software Support
Table 3. Platform and Voice Signaling Support by Cisco IOS Software
Signaling |
Cisco 7200 |
T1 CAS, E1 CAS, Q.SIG, PRI Q.931 user and network, R2, T-CCS, and Multi-D Channel |
12.1(3)T |
Feature D |
12.1(5)T |
RAI |
12.2(4)T |
MGCP |
12.2(2)T |
PA-VXC-2TE1+ |
12.1(3)T |