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Chapter 2
Hardware Features of the Mass Storage
Systems
Hardware Features for the
Mass Storage System
2 2
Table 2.B identifies the hardware for each mass storage system.
Table 1.C
Hardware for Each Mass Storage System
Front View
Indicators
Hard Disk
Micro-floppy
Power
Restart
Pushbuttons
Eject
Restart
Other
Access Slot for Micro-floppy
Back View
Communication Channels
Parallel Channel Out J20
Parallel Channel In J21
Serial Channel J22
Test J23
RS422 Interface J24
Switches
Power
Baud Rate
Other
Power Connect
120/220 V AC electrical card
Fan and Filter
Fuseholder
Internal Components
Winchester Hard Disk Drive
Micro-floppy Disk Drive
Power Supply
Disk Controller Module with Small Com-
puter Systems Interface Module (SCSI)
Disk Memory Interface Module (DMIM)
RS422 to SCSI Interface Module
Cables
P/N 629678-01 (for power)
P/N 966189-01
P/N 966289-01
Program Diskette
Operating System for PLC-3 Peripheral
Communication Module/Mass Storage
System
1770-M10
1770-M11
X
X
X
X
X
X
-
X
X
X
-
X
X
X
X
X
X
-
-
X
-
X
-
-
X
X
-
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
-
X
-
-
X
X
X
-
-
-
-
X
1770-M12
X
-
X
-
-
-
-
X
-
-
-
X
X
-
X
X
X
X
X
-
X
X
-
X
X
-
X
-
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