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2.1
THE CENTRAL
CONTROL UNIT
Left hand "keyhole"
fixing hole
0
0
Part 2 INSTALLATION
The CCU is equipped as follows:
CCU Housing Assembly, comprising:
a) Rear Mounting Assembly
b) Case
c) Front Cover
One microprocessor board (Backplane)
One Line Termination board
One Power Supply Unit
One 5-Exchange Line ASU
Three 2-Extension Line ASUs
An Intercom Apparatus Slide-in Unit (ASU) (either Loop/Dis or
MF,
as
required) must
be
requisitioned separately,
as
must any additional Extension
Line ASUs that are required for the system.
The Rear Mounting Assembly, see Fig 2.1, contains the 'Backplane'
which
is the main printed circuit board (PCB) carrying the microprocessor
circuitry
sockets for up to seven Line/Intercom ASUs and a secondary PCB
which
carries the termination blocks for exchange line and extension cable
terminations. The CCU must never be transported with the Power Supply
Unit in position as this will strain the mounting lugs and so cause damage.
Positions of case fixing screws.
Left hand lower fixing hole.
Right hand lower fixing hole.
Mains cable entry
Fig 2.1 REAR MOUNTING ASSEMBLY
CPE/MS 526 Issue 2 (12/88)
2.3
Summary of Contents for Senator
Page 1: ......
Page 2: ......
Page 3: ...British 1 EL ECO System manual ...
Page 6: ...SENATOR SWITCHING SYSTEM iv CPE MS 526 Issue 2 12 88 ...
Page 8: ...Part 1 GENERAL DESCRIPTION 1 2 CPE MS 526 Issue 2 12 88 ...
Page 10: ...Part 2 INSTALLATION 2 2 CPE MS 526 Issue 2 12 88 ...
Page 22: ...Part 3 THE TERMINAL 3 2 CPE MS 526 Issue 2 12 88 ...
Page 26: ...Part 4 COMMISSIONING PROCEDURES 4 2 CPE MS 526 Issue 2 12 88 ...
Page 28: ...5 2 Part 5 FACILITIES AND OPERATING PROCEDURES CPE MS 526 Issue 2 12 88 ...
Page 37: ...Part 7 MAINTENANCE 7 2 CPE MS 526 Issue 2 12 88 ...
Page 43: ...Part 7 MAINTENANCE 7 8 CPE MS 526 Issue 2 12 88 ...
Page 45: ...Part 8 HOW IT WORKS 8 2 CPE MS 526 Issue 2 12 88 ...
Page 47: ...9 2 Part 9 PARTS LIST OF CURRENT EQUIPMENT FOR SENATOR CPE MS 526 Issue 2 12 88 ...
Page 49: ...Part 10 AUXILIARY EQUIPMENT 10 2 CPE MS 526 Issue 2 12 88 ...
Page 69: ...Part 11 DOCUMENTATION 11 2 CPE MS 526 Issue 2 12 88 ...
Page 71: ...Part 12 SPECIFICATION 12 2 CPE MS 526 Issue 2 12 88 ...
Page 72: ...Part 12 SPECIFICATION 12 3 CPE MS 526 Issue 2 12 88 ...
Page 73: ...Part 12 SPECIFICATION 12 4 CPE MS 526 Issue 2 12 88 ...
Page 74: ......
Page 75: ......