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KBU64 Rackmount
User Manual
80-10100001-092–4
2.2.2 Command Port - KBU 64 Rear Interface Cards
The command port on each of the Rear Interface Card types is a female
15 way 'D' type and uses the same V28 level circuits as the standalone
KBU 64. You can only use this command port when a Manager Card is
not fitted into the rack (please see section 3).
The pin assignments are as follows:
Pin No. Circuit No. Signal Name
1 101 Chassis Earth
2 103 Transmit Data
3 108 Data Terminal Ready
4 104 Receive Data
5 107 Data Set Ready
8 102 Signal Ground/Chassis Earth
10 105 Request to Send
12 109 Data Carrier Detect
15 106 Clear to Send
A standard cable (CAB0032) can be supplied to present a standard 25
way interface to the command terminal or PC. This cable has male
connectors at both ends.