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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 (Figure 1). 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-1CE1T1-PRI is a Cisco Multiflex Trunk Voice and WAN network interface module for ISR 4000 series. 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 (Figure 1). 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. These NIMs are not supported with Cisco 2900 and 3900 Integrated Services Routers.
NIM-1CE1T1-PRI Specification | |
Number of Ports | 1 |
Clear-Channel Data | Yes |
MFT Packet Voice | Yes |
Unstructured E1 (G.703) Support | Yes |
Channelized Data | Yes |
Configuration Description | Channelized Modules |
Data Only | |
Serial data (channel-group*) | 24 per port |
E1 unframed G.703 | Supported |
Voice Only | |
Voice channel associated signaling (CAS) (ds0-group**) | 24 per port (T1) |
31 per port (E1) | |
1 per timeslot | |
Voice and Data | |
PRI (pri-group***) | 1 per port |
Drop and insert | 24 per port (T1) |
(tdm-group****) | 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) |
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) |
* 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.
