Western Telematic AFS-16-1 - Manual (Page 14)

2-4
Unit Description
2.3. The Circuit Module
The AFS-16 can accept up to sixteen Circuit Modules. Each Circuit Module includes
a common jack, jacks for “A” and “B” paths, and a Manual A/B switch as described in
Figure 2.3.
A
A
C
B
B
RJ45-3
1
2
3
4
5
Figure 2.3: The Circuit Module
The AFS-16 Circuit Module includes the following components:
 A/B Switch: Each A/B Switch can be manually switched, or activated by
commands sent to the Control Module. The A/B Switch can also be operated by
the Control Module’s Master A/B Switch.
 “A” Connector: An RJ45 Port, used for connection to your primary line.
 “C” Connector: An RJ45 Port, used for connection to a common line.
 “B” Connector: An RJ45 Port, used for connection to your fallback line.
 Release Pin: Used to secure the Circuit Module to the AFS-16 frame.
 A/B Switch Jumper: (Not Shown) A jumper, located on the Circuit Module board,
which is used to enable/disable the individual Circuit Module’s response to the
Master A/B Gang Switch as described in Section 4.5.1.