18
Andover Controls
RS-232 Connections
A standard 8-pin shielded insulation displacement RJ-type termination connector is
provided for the RS-232 interconnection. Protective ground is connected to the outer
shield of the connector that is connected to the shield of the cable. Both COMM 1
and COMM 3 provide the same connector.
These COMM Ports provide both Infinet and RS-232 connections. However, only one
type may be connected at any one time. For example, COMM 1 can be used as an
Infinet connection or an RS-232 connection
BUT NOT BOTH!
COMM 3 can be configured as an internal modem or an RS-232 connection. When
the internal modem option is installed, the RS-232 connection is no longer available.
The RS-232 pin connections are shown below:
COMM 1 & 3
RS-232 Connectors
DTR
CTS
DCD
RTS
Ground
RD
DSR
TXD
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