Functional description
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Chapter 13: 8-Port Analog Trunk Module
Wave Server Hardware Reference Guide
Functional description
The 8-Port Analog Trunk Module provides connectivity for any combination of up to eight loop
start or ground start trunks. The analog trunk module detects when a line is ringing and when it
is off hook in order to place and receive calls to and from outside locations.
The analog trunk module can also pass along Caller ID information provided by the telephone
company. It transmits and receives voice and modem data between the Central Office (CO) and
the PBX portion of the Wave Server chassis.
Up to two 8-Port Analog Trunk Modules can be installed in each Wave Server chassis for a
maximum of 20 incoming analog trunks.
Physical description
The analog trunk module consists of a printed circuit board and a metal faceplate mounted to
the front of the board, as shown in Figure 13-1. The insertion lever on the left side of the
faceplate facilitates the insertion and removal of the module.
The analog trunk module is powered through its connection to the backplane. There is also a
small amount of power received through the trunks. The RJ-21X connector on the front of the
module connects to a standard RJ-21X cable that terminates to the punchdown block.
Figure 13-1
Analog trunk module
Release 2.0 Service Pack 1
April 2011
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