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4000 Series Cisco NIM-2MFT-T1/E1 Network Module WAN Network Interface Module
Product Information
The Cisco Fourth-Generation Multiflex Trunk Voice and WAN network interface module NIM-1MFT-T1/E1 provides 1 T1/E1 ports to support both data and voice applications on the Cisco 4000 series router. The cards combines WAN, Voice, ISDN Primary rate interface, ANI and channelized-data functions together to deliver superior flexibility, versatility and investment protection.
The fourth-generation Cisco T1/E1 NIMs add improvements over the Cisco Second- and Third-Generation T1/E1 Multiflex Trunk Voice and WAN Interface Cards (MFT VWIC2s and VWIC3s, respectively).
Table 1 Cisco T1/E1 Module Capacity Comparison.
| Configuration Description | MFT Modules | Channelized Modules |
| NIM-1MFT-T1/E1, NIM-2MFT-T1/E1, NIM‑4MFT-T1/E1, and NIM-8MFT-T1/E1 | NIM-1CE1T1-PRI, NIM-2CE1T1-PRI, and NIM-8CE1T1-PRI | |
| Data Only | ||
| Serial data (channel-group) | 2 per port | 24 per port |
| E1 unframed G.703 | Not supported | Supported |
| Voice Only | ||
| Voice channel associated signaling (CAS) (ds0-group) | 24 per port (T1) | 24 per port (T1) |
| 31 per port (E1) | 31 per port (E1) | |
| 1 per timeslot | 1 per timeslot | |
| Voice and Data | ||
| PRI (pri-group) | 1 per port | 1 per port |
| Drop and insert(tdm-group) | 24 per port (T1) 31 per port (E1) 1 per timeslot | 24 per port (T1) 31 per port (E1) 1 per timeslot |
Table 2 T1 Network Interface Specifications.
| T1 Network Interface | |
| Transmit bit rate | 1.544 Mbps ±50 bps/32 ppm |
| Receive bit rate | 1.544 Mbps ±50 bps/32 ppm |
| Line code | Alternate mark inversion (AMI) and binary 8-zero substitution (B8ZS) |
| AMI ones density | Enforced for n x 56-kbps channels |
| Framing format | D4 (Super Frame [SF]) and Extended Super Frame (ESF) |
| Output level (line build-out [LBO]) | 0, -7.5 or -15 dB |
| Input level | +1 dB0 down to -24 dB0 |
| Data-terminal-equipment (DTE) interface (WIC mode) | Fractional service |
| DTE interface (VIC mode) | G.704 or structured |
| Data-communications-equipment (DCE) interface | G.704 or structured |
Ordering Information
| Product Name | Part Number |
| NIM-1MFT-T1/E1 | 1 port Multi-flex Trunk Voice/Clear-channel Data T1/E1 Module |
| NIM-2MFT-T1/E1 | 2 port Multi-flex Trunk Voice/Clear-channel Data T1/E1 Module |
| NIM-4MFT-T1/E1 | 4 port Multi-flex Trunk Voice/Clear-channel Data T1/E1 Module |
| NIM-8MFT-T1/E1 | 8 port Multi-flex Trunk Voice/Clear-channel Data T1/E1 Module |
| NIM-1CE1T1-PRI | 1 port Multi-flex Trunk Voice/Channelized Data T1/E1 Module |
| NIM-2CE1T1-PRI | 2 port Multi-flex Trunk Voice/Channelized Data T1/E1 Module |
| NIM-8CE1T1-PRI | 8 port Multi-flex Trunk Voice/Channelized Data T1/E1 Module |
Show the appearance of NIM-2MFT-T1/E1.
Note:
| 1 | EN LED | 2 | CD/LP LED |
| 3 | AL LED | |
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