REC 3838 6-3
COMMUNICATION BOARD SWITCHES
FIGURE 6-1
PORT B
SWITCH
SW1-3
SWITCH
SW1-4
SWITCH
SW1-6
SWITCH
SW1-8
SWITCH
SW2-2 DESCRIPTION
OFF / OPEN OFF / OPEN ON / CLOSED OFF / OPEN OFF / OPEN
EIA-232 with hardware
OFF / OPEN ON / CLOSED ON / CLOSED OFF / OPEN OFF / OPEN
EIA-232 data leads only
ON / CLOSED ON / CLOSED ON / CLOSED OFF / OPEN OFF / OPEN
EIA-422/485 no termination
ON / CLOSED ON / CLOSED ON / CLOSED ON / CLOSED OFF / OPEN
EIA-422/485 with termination
ON / CLOSED ON / CLOSED OFF / OPEN OFF / OPEN OFF / OPEN
EIA-422/485 no termination
4-wire multidrop
ON / CLOSED ON / CLOSED OFF / OPEN ON / CLOSED OFF / OPEN
EIA-422/485 with termination
4-wire multidrop
ON / CLOSED ON / CLOSED OFF / OPEN OFF / OPEN ON / CLOSED
EIA-422/485 no termination
2-wire multidrop
ON / CLOSED ON / CLOSED OFF / OPEN ON / CLOSED ON / CLOSED
EIA-422/485 with termination
2-wire multidrop
TABLE 6-2
COMMUNICATIONS OPTION
Description Part No. Qty.
Communication Board 043262 1
Com I/Com II Cable Assembly 044936 1
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