Comtech EF Data CDM-550T - Manual (Page 36)

CDM-550T Satellite Modem Revision 3
Rear Panel Connector Pinouts MN/CDM550T.IOM
5–4
5.5 Auxiliary Serial Connector, HE1402 3-Pin Header
Table 5-4 Auxiliary Serial Connector, HE1402 3-Pin Header
Pin Description
1 RS-232 Transmit Data (Output)
2 Ground
3
RS-232 Receive Data (Input)
5.5.1 Pin Numbering
Facing the rear panel, Pin 1 is on the right-hand side :
• • •
Pin 1