PEP Modular Computers CP345, Manual

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CP345 Functional Description
ID 19979, Rev. 03 Page 2 - 10
©
PEP Modular Computers GmbH
2.4.1.2 Connectors of RJ45-to-D-Sub Frontpanel Adapter
In order to comply with standard PC interface technology, a single-channel RJ45-to-
DSub frontpanel adapter (CP-ADAP-RJ45-D5009/PC) can be connected to the frontend
interface of each channel of the of the non-optoisolated board variant. This adapter ter-
minates on the user side with a 9-pin male D-Sub connector which includes the signals
of the relating channel. The pinouts of the adapter’s RJ45 and 9-pin DSub connectors
are shown in the following table.
Warning!
Where signals are not indicated in the below table, please do not
connect external wiring to the connector pins. Failure to comply
may result in damage to your board.
Table 3-2: Pinouts of RJ45-to-D-Sub Frontpanel Adapter Connectors
RJ45
Connector
RS232
RS422/RS485
Half Duplex
RS422/RS485
Full Duplex
9-Pin Row
Connector
Channel
1 DSR — RxD- 6
n with
n = 0..3
2 RTS — — 7
3 GND GND GND 5
4 TxD TRxD+ TxD+ 3
5 RxD — — 2
6 DCD — RxD+ 1
7 CTS TRxD- TxD- 8
8 DTR — — 4
— — — — 9