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Cable Adapters
[Documentation number: 2000430 Rev B] 31
Cable Adapters
Overview
This chapter covers the following topics:
•
RJ45 to DB9 Connector Pinouts for DeviceMaster and RocketPort
•
8J RJ11 to Standard DB25 (Null-modem Configuration)
•
8J RJ11 to Standard DB9 (Null-modem Configuration)
RJ45 to DB9 Connector Pinouts for DeviceMaster and RocketPort
The following table displays the modem wiring connection from a Comtrol RJ45
connector to a standard DB9 connector.
Note:
If your DB9 wiring differs from the one shown below, adjust the DB9
pinouts accordingly.
RJ45 Connector Pinouts
DB9 Connector Pinouts
Pin
RS-232 Signal
Pin
RS-232 Signal
6
DCD
1
DCD
5
RxD
2
RxD
4
TxD
3
TxD
2
DTR
4
DTX
3
Signal GND
5
Signal GND
7
DSR
6
DSR
1
RTS
7
RTS
8
CTS
8
CTS
NC
a
a. Ring indicator is not supported on the RJ45 connector.
9
RI
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