A-8 APPENDIX A: MODEM SPECIFICATION AND INTERFACE PIN ASSIGNMENTS
DTE Port Pin Assignments
Each modem is equipped with a single serial port marked DTE, which can be used to enter asynchronous AT or V.25bis commands, and pass asynchronous or synchronous user data. This is a female 26-pin V.24 connector and can be used with X.21/V.11, v.24/V.28 or V.35/V.36 signalling. The cable pin-outs for each type of cable are shown below.
X.21/V.11
The DTE port terminates with a 26-way miniature SCSI connector. The port can be configured to support V.11 signalling characteristics. The DTE port connecting cable is not supplied with the module. The following signalling characteristics should be observed when purchasing or fabricating a suitable cable.
