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36 Documentation Number 232CCxx4502
B&B Electronics Mfg Co – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104
B&B Electronics Ltd – Westlink Comm. Pk – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445
Chapter 6: Physical Hook-up and Troubleshooting
This chapter will cover 232CC pinout, communication cable
data, and troubleshooting information.
Pinouts
The 232CC Serial Cards are wired as DTE (Data Terminal
Equipment) devices. The 232CC Serial Cards can be connected
directly to DCE (Data Communication Equipment) devices with a
straight through cable. If you need to connect two DTE devices, you
will need a null modem cable or cross-over cable.
Table 5. Pinout Description
Communication Cable Data
The 232CC Serial Card communicates using RS-232
communications only. The communication cable specifications are
24AWG (wire gauge) and 30pF/ft. (capacitance rating). B&B
Electronics can provide this communication cable, Model ETC8195.
Pin Name Description Direction
1 DCD Data Carrier Detect input
2 RD Receive Data input
3 TD Transmit Data output
4 DTR Data Terminal Ready output
5 Gnd Signal Ground ------
6 DSR Data Set Ready input
7 RTS Request to Send output
8 CTS Clear to Send input
9 RI Ring Indicator input