RS232C BOARD, 562-047
REV. E OR HIGHER
PORTlOR3 r
PORT 2 OR 4
The newer revisions of the RS232C board contain two ports, each of which is capable of providing an RS232C
or 20-mA current loop signal. Each system may have up to two RS232C boards. Looking at the board from the
front of the card rack, the top connector is referred to as the LOCAL port. The bottom connector is referred to as
the REMOTE port. When a system has two RS232C boards, the ports will be labeled as shown in Table E.
TABLE E
BOARD #
1 st
BOARD
2nd
BOARD
PORT #
PORT DESCRIPTION
1
LOCAL
2
REMOTE PORT
2
3
REMOTE PORT
3
4
REMOTE PORT
4
15
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