Connector Pinout; Table 12-2. Connector Pinout - Comtech EF Data CDM-710 Installation And Operation Manual

CDM-710 Broadcast Satellite Modem
CDI-60 HSSI Interface
12.4

Connector Pinout

The HSSI interface has a 50 pin female SCSI-2 connector (mini-D) with the pinout shown in
Table 12-2.
Signal Function
Signal Ground
Receive Timing
DCE Available
Receive Data
Loopback circuit C
Send Timing
Signal Ground
DTE Available
Terminal Timing
Loopback circuit A
Send Data
Loopback Circuit B
Signal Ground
Not used
TX DVALID
reserved (to DCE)
reserved (to DCE)
reserved (to DCE)
Signal Ground
reserved (to DTE)
Test Mode
Signal Ground

Table 12-2. Connector Pinout

HSSI/EIA-613 Interface Connector Pinout
HSSI EIA-613
Signal Circuit
SG 102
RT 115
CA 107
RD 104
LC undefined
ST 114
SG 102
TA 108/2
TT 113
LA 143
SD 103
LB 144
SG 102
undefined
undefined
SG 102
undefined
undefined
undefined
undefined
undefined
TM 142
SG 102
12–5
Pin # (+,-) Circuit
Direction
1, 26
2, 27 From DCE
3, 28 From DCE
4, 29 From DCE
5, 30 From DCE
6, 31 From DCE
7, 32
8, 33 to DCE
9, 34 to DCE
10, 35 to DCE
11, 36 to DCE
12, 37 to DCE
13, 38
14, 39
15, 40
16, 41
17, 42
18, 43
19, 44
20
45
21
46
22, 47 from DCE
23, 48 from DCE
24, 49 from DCE
25, 50
Revision 9
MN/CDM710.IOM
Comment
Ground
Not used
Ground
Not used
Not used
Ground
Not used
Not used
Not used
Not used
Not used
Ground
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Ground