Figure D-3. Cdi-60 Block Diagram - Comtech EF Data CDM-710 Installation And Operation Manual

CDM-710/L Broadcast Satellite Modem
Appendix C
C.2 Physical Description
Figure D-3 shows a block diagram of the module; Figure D-4 shows the rear
panel of the module. Connection to the modem is provided when the module's
96-pin DIN connector is engaged into modem Interface Slot 1.
The CDI-60 HSSI Data Interface Module provides these features:
• A 96-pin DCE (Modem Interface) connection.
• The EIA-613 'HSSI | J1' data interface. See Section D.3.1 for the pinout
table for this single HD-50 (50-pin) SCSI-2 mini-D connector.
• An ST clock that is sourced to the terrestrial interface for use as a
reference by the DTE.
• A TT that is treated as an incoming External Clock, to which the interface
phase locks.
• TA/CA support.
• A Light-Emitting Diode (LED), labeled 'Active', which lights green when
the module senses HSSI data activity.

Figure D-3. CDI-60 Block Diagram

Figure D-4. CDI-60 Rear Panel View
C–3
MN/CDM710.IOM
Revision 12