2-Port E&M Voice Interface Cards
This section describes E&M voice interface cards and how to them to a network. It contains the following sections:
Cisco voice interface cards (VICs) support voice technologies. VICs can be installed in interface card slots on supported Cisco access routers or in 1- or 2-slot voice network modules that are installed in network module slots on supported Cisco access routers.
RecEive and transMit (E&M) is a signaling technique for 2-wire and 4-wire telephone and trunk interfaces. The E&M interface typically connects remote calls from an IP network to a PBX. The Cisco
2-port E&M voice interface card is shown in Figure 1.
Figure 1 Cisco 2-Port E&M VIC Front Panel (VIC3-2E/M)
2-Port E&M Voice Interface Card LEDs
The E&M voice interface card has one IN USE LED for each port. Table 1 describes the functions of the LEDs.
Table 1 Cisco 2-Port E&M VIC LEDs
Monitored ports are active (have initialized without error).
At least one monitored port is not ready.
Monitored ports are not active or have failed to initialize.
This Cisco voice interface card (VIC3-2E/M) is supported on the following Cisco routers:
- Cisco 2800 series routers, including the Cisco 2801, Cisco 2811, Cisco 2821, and Cisco 2851
- Cisco 3800 series routers, including the Cisco 3825 and Cisco 3845
- Cisco IAD2430 series routers
- Cisco 2900 series routers
- Cisco 3900 series routers
Note Use Cisco Feature Navigator to find information about platform support and Cisco IOS software image support. Access Cisco Feature Navigator at http://www.cisco.com/go/fn. You must have an account on Cisco.com. If you do not have an account or have forgotten your username or password, click Cancel at the login dialog box and follow the instructions that appear.
Prerequisites for Connecting 2-Port E&M Voice Interface Cards to a Network
Before connecting a VIC to the network, ensure that the VIC is installed in the router, the equipment is properly grounded, and you have the proper cables for connecting the VIC to the network. This section describes the preparation necessary before connecting a 2-port E&M VIC to the network.
Use a straight-through RJ-48C cable to connect the E&M card to the PSTN or PBX through a telephone wall outlet.
Do not connect an E&M interface directly to the PSTN.
Note Ports on the E&M voice interface card are colored brown.
Connecting Cisco 2-Port E&M Voice Interface Cards to a Network
To connect the Cisco 2-port E&M VIC, follow these steps:
Step 1 Confirm that the router is turned off.
To comply with the Telcordia GR-1089 NEBS standard for electromagnetic compatibility and safety, connect the 2-port E&M card (VIC2-2E/M) only to intrabuilding or nonexposed wiring or cabling. The intrabuilding cable must be shielded, and the shield must be grounded at both ends.
Step 2 Connect one end of the straight-through RJ-48C-to-RJ-48C cable to an RJ-48C port on the card. (See Figure 2.)
Figure 2 Cisco 2-Port E&M VIC Front Panel (VIC3-2E/M)
Step 3 Connect the other end of the cable to an RJ-48C wall outlet.
Step 4 Power up the router.
The following warning applies to routers that use a DC power supply:
Warning After wiring the DC power supply, remove the tape from the circuit breaker switch handle and reinstate power by moving the handle of the circuit breaker to the ON position. Statement 8
Obtaining Documentation, Obtaining Support, and Security Guidelines
For information on obtaining documentation, obtaining support, providing documentation feedback, security guidelines, and also recommended aliases and general Cisco documents, see the monthly What’s New in Cisco Product Documentation, which also lists all new and revised Cisco technical documentation, at:
Cisco and the Cisco logo are trademarks or registered trademarks of Cisco and/or its affiliates in the U.S. and other countries. To view a list of Cisco trademarks, go to this URL: www.cisco.com/go/trademarks. Third-party trademarks mentioned are the property of their respective owners. The use of the word partner does not imply a partnership relationship between Cisco and any other company. (1110R)
© 2008 Cisco Systems, Inc. All rights reserved.