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The Cisco® 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 Cisco 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.
Quick Specs
Table 1 shows the Quick Specs.
|
Model |
NIM-1MFT-T1/E1 |
|
Serial data (channel-group*) |
2 per port |
|
E1 unframed G.703 |
Not supported |
|
Voice channel associated signaling (CAS) (ds0-group**) |
24 per port (T1) 31 per port (E1) 1 per timeslot |
|
PRI (pri-group***) |
1 per port |
|
Drop and insert (tdm-group****) |
24 per port (T1) 31 per port (E1) 1 per timeslot |
|
Dimensions (H x W x D) |
1.25 x 3.50 x 7.24 in. (3.18 x 8.89 x 18.39 cm) |
* channel-group refers to bonding of one or more time slots into a single High-Level Data Link Control (HDLC)-framed serial connection for IP data traffic connectivity. This connection is used for HDLC, Frame Relay, and Multilink PPP (MLPPP) serial WAN connections.
** ds0-group refers to bonding of one or more time slots into a single TDM voice connection using CAS such as ear and mouth (E&M), foreign exchange station (FXS), or foreign exchange office (FXO). This connection is used for TDM PBX or PSTN connections and typically is deployed only on T1.
*** pri-group refers to bonding of two or more time slots into a single TDM connection using ISDN signaling. This connection is typically used for TDM PBX or PSTN voice connections on T1 and E1, and also for data WAN connections on E1. Each call on the PRI is individually indicated as being a voice or data call with the ISDN bearer capability delivered with the call. Signaling is done on the D-channel, which is always channel 24 on a T1 and channel 31 on an E1.
**** tdm-group refers to cross-connecting one or more time slots from one TDM interface to another. This connection is used to groom channels from different access points onto a combined T1 or E1 uplink. Because the router merely cross-connects and does not interpret or route the traffic from the ingress interface to the egress interface, the traffic type (voice and data) is transparent to the router.
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NIM-1MFT-T1/E1 Specification |
|
|
Capacity |
|
|
Serial data (channel-group) |
2 per port |
|
E1 unframed G.703 |
Not supported |
|
Voice channel associated signaling (CAS) (ds0-group) |
24 per port (T1) 31 per port (E1) 1 per timeslot |
|
PRI (pri-group) |
1 per port |
|
Drop and insert (tdm-group) |
24 per port (T1) 31 per port (E1) 1 per timeslot |
|
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 |
|
E1 Network Interface |
|
|
Transmit bit rate |
2.048 Mbps ±100 bps/50 ppm |
|
Receive bit rate |
2.048 Mbps ±100 bps/50 ppm |
|
Data rate |
1.984 Mbps (framed mode) per E1 port |
|
Clocking |
Internal and loop (recovered from network) |
|
E1 national bits |
Fixed (nonconfigurable) |
|
Encoding |
High-density bipolar three (HDB3) |
|
DTE interface (WIC mode) |
Fractional service |
|
DTE interface (VIC mode) |
G.704 or structured |
|
DCE interface |
G.704 or structured |
|
Module Specifications |
|
|
Dimensions (H x W x D) |
1.25 x 3.50 x 7.24 in. (3.18 x 8.89 x 18.39 cm) |
|
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 |
|
T1 Compliance (partial list) |
● TIA-968-A ● CS-03 ● Jate ● ANSI T1.403 |
|
E1 Compliance (partial list) |
● TBR4, TBR12, and TBR13 ● ITU-T G.703, G.704, G.823, and I.431 ● S016 (Australia) |
|
Weight |
0.40 lb (181g) |
| Характеристики | |
| 1 per port | Drop and insert(tdm-group) |
| 1.984 Mbps (framed mode) per E1 port | Clocking |
| 2 per port | E1 unframed G.703 |
| 2.048 Mbps ±100 bps/50 ppm | Data rate |
| 24 per port (T1)31 per port (E1)1 per timeslot | T1 Network Interface |
| AMI ones density | Enforced for n x 56-kbps channels |
| Capacity | Serial data (channel-group) |
| Data-communications-equipment (DCE) interface | G.704 or structured |
| Data-terminal-equipment (DTE) interface (WIC mode) | Fractional service |
| Dimensions (H x W x D) | 1.25 x 3.50 x 7.24 in. (3.18 x 8.89 x 18.39 cm) |
| DTE interface (VIC mode) | G.704 or structured |
| E1 Compliance (partial list) | ● TBR4, TBR12, and TBR13● ITU-T G.703, G.704, G.823, and I.431● S016 (Australia) |
| E1 Network Interface | Transmit bit rate |
| 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 |
| Fixed (nonconfigurable) | Encoding |
| Fractional service | DTE interface (VIC mode) |
| Framing format | D4 (Super Frame [SF]) and Extended Super Frame (ESF) |
| G.704 or structured | Module Specifications |
| High-density bipolar three (HDB3) | DTE interface (WIC mode) |
| Input level | +1 dB0 down to -24 dB0 |
| Internal and loop (recovered from network) | E1 national bits |
| Line code | Alternate mark inversion (AMI) and binary 8-zero substitution (B8ZS) |
| Not supported | Voice channel associated signaling (CAS) (ds0-group) |
| Output level (line build-out [LBO]) | 0, -7.5 or -15 dB |
| Receive bit rate | 1.544 Mbps ±50 bps/32 ppm |
| T1 Compliance (partial list) | ● TIA-968-A● CS-03● Jate● ANSI T1.403 |
| Transmit bit rate | 1.544 Mbps ±50 bps/32 ppm |
| Weight | 0.40 lb (181g) |
Теги: NIM-1MFT-T1/E1 Cisco