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NIM-1MFT-T1/E1 NIM-2MFT-T1/E1 NIM-4MFT-T1/E1 NIM-8MFT-T1/E1 1 Port Multi-flex Trunk Voice/Clear-channel Data T1/E1 Module
NIM-1MFT-T1/E1 Overview
The C isco Fourth-Generation 1-, 2-, 4-, and 8-Port T1/E1 Multiflex Trunk Voice and WAN Network Interface Modules (NIMs) support data and voice applications on the C isco 4000 Integrated Services Routers.These cards combine WAN-interface-card (WIC), voice-interface-card (VIC), ISDN Primary Rate Interface (PRI), dial-access integration, and channelized-data (CE1T1) functions to provide superior flexibility, versatility, and investment protection through their many uses.Customers who choose to integrate data and voice in multiple steps preserve their investment in a T1/E1 WAN interface.
NIM-1MFT-T1/E1 Specification
NIM-1MFT-T1/E1 Specifications |
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Capacity |
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Serial data (channel-group) |
2 per port |
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E1 unframed G.703 |
Not supported |
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Voice channel associated signaling (CAS) (ds0-group) |
24 per port (T1) 31 per port (E1) 1 per time slot |
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PRI (pri-group) |
1 per port |
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Drop and insert (tdm-group) |
24 per port (T1) 31 per port (E1) 1 per time slot |
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T1 Network Interface |
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Transmit bit rate |
1.544 Mbps ±50 bps/32 ppm |
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Receive bit rate |
1.544 Mbps ±50 bps/32 ppm |
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Line code |
Alternate mark inversion (AMI) and binary 8-zero substitution (B8ZS) |
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AMI ones density |
Enforced for n x 56-kbps channels |
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Framing format |
D4 (Super Frame [SF]) and Extended Super Frame (ESF) |
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Output level (line build-out [LBO]) |
0, -7.5 or -15 dB |
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Input level |
+1 dB0 down to -24 dB0 |
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Data-terminal-equipment (DTE) interface (WIC mode) |
Fractional service |
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DTE interface (VIC mode) |
G.704 or structured |
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Data-communications-equipment (DCE) interface |
G.704 or structured |
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E1 Network Interface |
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Transmit bit rate |
2.048 Mbps ±100 bps/50 ppm |
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Receive bit rate |
2.048 Mbps ±100 bps/50 ppm |
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Data rate |
1.984 Mbps (framed mode) per E1 port |
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Clocking |
Internal and loop (recovered from network) |
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E1 national bits |
Fixed (nonconfigurable) |
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Encoding |
High-density bipolar three (HDB3) |
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DTE interface (WIC mode) |
Fractional service |
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DTE interface (VIC mode) |
G.704 or structured |
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DCE interface |
G.704 or structured |
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Module Specifications |
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Dimensions (H x W x D) |
1.25 x 3.50 x 7.24 in.(3.18 x 8.89 x 18.39 cm) |
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Environmental |
Operating temperature: 0 to 50°C (32 to 122°F) Storage temperature: -20 to +65°C (-4 to 148°F) Relative humidity: 10 to 85% noncondensing operating; 5 to 95% noncondensing, nonoperating |
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T1 Compliance (partial list) |
TIA-968-A CS-03 Jate ANSI T1.403 |
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E1 Compliance (partial list) |
TBR4, TBR12, and TBR13 ITU-T G.703, G.704, G.823, and I.431 S016 (Australia) |
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Weight |
0.40 lb (181g) |
