Comtech EF Data CDM-550T Manual page 26

Physical Description
The pinout details for this connector are provided in the next section.
The Remote Control connector is a 9 pin 'D' type female (DB9-M). Access is provided to
remote control ports of the modem, both RS232 and RS485. The pinout details for this
connector are provided in the next section.
The Auxiliary Serial connector is an HE1402 3 pin header. A suitable mate for this
connector is AMP part number 281838-3, with three crimp pins, AMP part number
182734-2, also required. This is an additional EIA232 serial port, which is only used
when the modem is part of a 1:1 pair, at the distant-end of a link, and when both units are
defined as EDMAC slaves. The pinout details for this connector are provided in the next
section.
4–4
CDM-550T Satellite Modem
Rev. 1.3