Cisco CISCO1701-K9-RF Hardware Installation Guide - Page 134
Centralized Automated Message Accounting Trunk Protocol Interface Cards, CAMA Interface Cards
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Centralized Automated Message Accounting Trunk Protocol Interface Cards Voice Interface Cards Step 8 Check that the CD LED comes on, which means that the card's internal DSU/CSU is communicating with the DSU/CSU at the T1 or E1 service provider central office. Centralized Automated Message Accounting Trunk Protocol Interface Cards The Centralized Automated Message Accounting (CAMA) trunk protocol interface connects local calls to emergency services. The CAMA card provides the software features required to connect directly to the enhanced 911 (E911) network from the customer premises. It also provides direct connections to a Public Service Answering Point (PSAP) using analog CAMA trunks. The CAMA protocol provides in-band signaling. Note For the NM-HD-1V, NM-HD-2V, and NM-HD-2VE voice network modules, and for the Cisco 1751 and 1760 routers, CAMA is supported by the VIC2-2FXO interface card. The VIC-2CAMA card cannot be used with the NM-HD-1V, NM-HD-2V, or NM-HD-2VE voice network modules, or with the Cisco 1751 or Cisco 1760 routers. CAMA Interface Cards The 2-port CAMA card is illustrated in Figure 100. Figure 100 V2-Port CAMA Card Front Panel (VIC-2CAMA) IN USE IN USE 62331 VIC2CAMA 1 SEE MANUAL BEFORE INSTALLATION 0 Connecting the CAMA Interface Card Use a straight-through RJ-11 cable to connect the VIC-2CAMA voice interface card to the PSTN or PBX through a telephone wall outlet. Note Ports on this interface card are colored pink. Step 1 Confirm that the router is still turned off. Step 2 Connect one end of the straight-through RJ-11 cable to an RJ-11 port on the card. (See Figure 101.) OL-12847-01 18