Power indicator
Auxiliary power
input jack
On/Off switch
P o w e r
c o n n e c t o r
Ground lug
Label
Diagnostic
96-pin connector
SMDR port
Application port
Warning light
Power supply module
Processor module (517B7)
for Release 3
FIGURE 1-5 Module controls and indicators.
MODULE CONTROLS
The from panel controls, indicators, and special
AND INDICATORS
connectors (excluding line and station jacks) on control
unit modules are described below. Refer to Figure 1-5 to
locate these items.
Power Supply Module.
The controls and indicators for
this module are the following:
●
Power indicator. Its light goes on when power is
supplied to the module.
●
Auxiliary power input jack This jack provides the
interface for the Auxiliary Power Unit.
System Hardware 1-23
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 ...