Central
office
lines
\
25 Pair cable
Network
interface
66 Type
hardware
DIW cable
/
Digital PBX
(System 25,
System 75,
or System 85)
4 0 8 4 0 8 4 0 8 4 0 8 4 0 8
Jack Field
for outside
lines
D2R
Z122C Box
cords
with
Z61OA
Adapters
DIW cable
Power
Supply
PFT
0 4
0 3
0 2
01
PFT
0 8
0 7
0 6
0 5
PFT
1 2
1 1
1 0
0 9
PFT
1 6
1 5
1 4
1 3
PFT
20
19
18
17
0 8
0 7
0 6
0 5
0 4
03
02
0 1
1 6
1 5
1 4
1 3
1 2
1 1
1 0
0 9
2 4
23
22
2 1
20
19
1 8
1 7
3 2
3 1
3 0
2 9
2 8
2 7
2 6
2 5
4 0
39
38
37
36
35
34
33
\
/
MERLIN II System
D8W
cords
To voice
terminals
and
adjunct
equipment
contol unit
FIGURE 1-2 A MERLIN II system behind-switch operation.
1-6 System Overview
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 ...