Feature
module
Processor module
FIGURE 2-20 Installing the Feature Module.
Modifying the 517A7
The MERLIN II system can be configured to operate
Processor Module for
solely as a square (key) system. As such, every outside
Square (Key)
line appears on the same button at each voice terminal. If
O p e r a t i o n
you have Processor Module 517A7, use the following
steps to modify it for square (key) operation:
1 Open the Processor Module case by releasing the
seven snaps located around the edges of its case
(Figure 2-21).
2 Notice the two headers marked “AA” on the module’s
processor board. One header is located at the bottom
right of the module; the other header is located at the
center right. Do not touch the header at the bottom.
Installing the Control Unit 2-75
Summary of Contents for administration and
Page 40: ...FIGURE 1 9 System architecture Theory of Operation 1 37 ...
Page 175: ...Top cover Front cover FIGURE 2 27 Control unit covers Testing the System 2 107 ...
Page 211: ...FIGURE 3 I A MERLIN II System Display Console The Administrator Attendant Console 3 3 ...
Page 213: ... FIGURE 3 2 A BIS 34D Console The Administrator Attendant Console 3 5 ...
Page 331: ...General Tests 4 55 Reaming the Control Unit 4 55 Testing Outside Lines 4 56 ...
