Comtech EF Data CDM-625 User Manual
Page 76
CDM-625 Advanced Satellite Modem
Revision 15
Rear Panel Connectors and Pinouts
MN-CDM625
3–6
Table 3-3. CIC-60 Module – HSSI/EIA-613 Side Connector Pinouts
Pin #
(+,-)
Signal Function
HSSI Signal
EIA-613 Circuit
Circuit
Direction
Comment
1, 26
Signal Ground
SG
102
Ground
2, 27
Receive Timing
RT
115
From DCE
3, 28
DCE Available
CA
107
From DCE
4, 29
Receive Data
RD
104
From DCE
5, 30
Loopback circuit C
LC
undefined
From DCE
Not used
6, 31
Send Timing
ST
114
From DCE
7, 32
Signal Ground
SG
102
Ground
8, 33
DTE Available
TA
108/2
to DCE
9, 34
Terminal Timing
TT
113
to DCE
10, 35
Loopback circuit A
LA
143
to DCE
Not used
11, 36
Send Data
SD
103
to DCE
12, 37
Loopback Circuit B
LB
144
to DCE
Not used
13, 38
Signal Ground
SG
102
Ground
14, 39
Not used
undefined
Not used
15, 40
TX DVALID
undefined
Not used
16, 41
Reserved (to DCE)
Not used
17, 42
Reserved (to DCE)
Not used
18, 43
Reserved (to DCE)
Not used
19, 44
Signal Ground
SG
102
Ground
20
undefined
Not used
45
undefined
Not used
21
undefined
Not used
46
Reserved (to DTE)
Not used
22, 47
undefined
from DCE
Not used
23, 48
undefined
from DCE
Not used
24, 49
Test Mode
TM
142
from DCE
Not used
25, 50
Signal Ground
SG
102
Ground