Figure D-1. Hssi Interface Block Diagram; Figure D-2. Hssi Interface - Comtech EF Data CDM-700 Installation And Operation Manual

CDM-700 High Speed Satellite Modem
HSSI Interface (CDI-60)
J1
TT
SD
ST
TA
CA
RT
RD
Common
Tx Clock Input (External)
Tx Data
Output Clock (Rate Programmable)
(RTS)
(CTS)
Rx Clock
Rx Data

Figure D-1. HSSI Interface Block Diagram

Figure D-2. HSSI Interface

Processor
Processor
Interface
Interface
Loopback
Loopback
D–2
MN/CDM700.IOM
Mux /
Clk
Mux /
Demux
&
Demux
Data
PLL
PLL
Modem
Interface
Rx
Rx
μC
Buffer
Buffer
Control
Control
HSSI Interface
Revision 5