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Hardware Overview
16
025-9416
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Optional Boards for the Model 640
10
9
7
6
8
5
4
1 MB SIMMs
“DRAM”
Volatile
Memory
3
Power
Supply
Module
1
Parallel Printer Card *
Spare Card Slot
RAM Disk Board
ROM Disk Board
TNPP Card *
Dual Trunk Card - Trunks C & D
Dual Trunk Card - Trunks A & B
Peripheral
Mother
Board
Main Processor
Board
2
Figure 2. Top View of Model 640 Chassis
Dual Trunk
Serial Ports
Fuse
AC Power
Connector
Adjustment
Pots
Trunk & Radio
Station Interface
FAULT
Connector
KEYBOARD
Connector
Local
COM Port
13
11
17
15
14
12
18
16
Figure 3. Rear View of Model 640 Chassis
OPERATING POWER
The internal power supply (item #1, Figure 2) in the Model 640 operates from 115V
AC
(item #12,
Figure 3) and provides all internal operating voltages, including the 48 volt supply for DID tele-
phone trunks. A power supply configured for 240V
AC
operation may be ordered as an option.
Содержание 640 DAPT XTRA
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Страница 197: ...Parts Lists and Schematics 025 9416 185 COMPONENT LOCATIONS Dual Dial Click 702 9119C Dual MF 702 9197D 1...
Страница 198: ...Parts Lists and Schematics 186 025 9416 RAM Disk 702 9386B ROM Disk 702 9389B...
Страница 199: ...Parts Lists and Schematics 025 9416 187 TNPP Interface 702 9362C 2...
Страница 200: ...Parts Lists and Schematics 188 025 9416 Terminal Block Adapter 702 9470B...
Страница 201: ...Parts Lists and Schematics 025 9416 189 CONFIGURATION DIAGRAMS Dual Trunk Telco DID 024 0076A...
Страница 202: ...Parts Lists and Schematics 190 025 9416 Dual Trunk Telco End to End 024 0077A...
Страница 203: ...Parts Lists and Schematics 025 9416 191 Dual Trunk Telco E M 024 0078A...
Страница 204: ...Parts Lists and Schematics 192 025 9416 Dual Trunk Telco Ground Start 024 0079A...
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