COMPONENT DESCRIPTION AND REPLACEMENT
POWER SUPPLY
WBPEEUI220754A0
6 - 13
Figure
shows the connections from the DC distribution
board in the console or driver cabinet to the main power supply.
The DC distribution board is located at the top rear of the sup-
ply. Each socket on the DC distribution board is wired identi-
cally. Table
lists connections to the DC distribution board
socket connections. Table
lists the pin outs to the DC dis-
tribution board sockets. Peripheral devices using power cable
6638713
_
1 may be plugged into any socket on this board.
Table 6-8. IIMCP02 Communications Processor Configuration
Switch
Position
Description
Switch Setting
SW1
1-4
Port A (P5) baud rate
1111 = 19200
5-8
Port B (P6) baud rate
0111 = 9600
SW2
1
MLM handshake timeout
0 = enabled
1 = disabled
2
MLM diagnostics
0 = disabled
1 = enabled
3
Diagnostic utilities
0 = disabled
1 = enabled
4
Hardware diagnostics
0 = disabled
1 = enabled
5-8
Not used
—
SW3
1
SCSI port
0 = disabled
1 = enabled
2-4
SCSI address
100 = 4
5
SCSI parity checking
0 = disabled
1 = enabled
6-8
Not used
—
SW4
1
ROM checksumming
0 = enabled
1 = disabled
2-3
Serial port settings
00 = 8 d, 1 s, no parity
01 = 8 d, 1 s, even parity
10 = 8 d, 1 s, odd parity
11 = 8 d, 2 s, no parity
4
Port B (P6) mode
0 = NIU command mode
1 = NIU utility mode
5
Modem password
protection
0 = disabled
1 = enabled
6
Port addressing mode
0 = disabled
1 = enabled
7
Command
checksumming
0 = disabled
1 = enabled
8
Not used
—
NOTE: 0 = CLOSED or ON, 1 = OPEN or OFF. Bold areas indicate default settings.