Comtech EF Data DMD-2050E - Manual (Page 155)

DMD2050E Universal Satellite Modem External Connections
MN-DMD2050E Revision 2 5–3
5.2 Front Panel Connections
5.2.1 Key Loader Interface
Label Location Description Connector Type
SKL Front Panel Key Loader Interface Port RS-232, 6-pin audio connector (GC283)
Connect a hand-held PC to the Key Loader Interface to upload the Shared Message
Authentication Token (SMAT) to the modem. See the MN-DMD2050E-TKL manual for more
information
Table 5-2. Pinouts for SKL Key Loader Interface (RS-232) 6-Pin Female GC283 Connector
Pin No. Signal Name Signal Direction
A Ground GND ---
B Transmit Data RS-232 TX KEY A Output
C Receive Data RS-232 RXD-232 Input
D NC NC ---
E Receive Data RS-232 RX KEY B Input
F NC No Connect