Data interface connector (j1), 3 data interface connector (j1), Nterface – Comtech EF Data CIC-20 LVDS to HSSI User Manual
Page 19: Onnector
CIC-20 LVDS to HSSI Interface Converter
Revision 0
Connector Pinouts
MN/CIC20.IOM
7
3.3 D
ATA
I
NTERFACE
C
ONNECTOR
(J1)
The Data Interface connector is a 50-pin mini D SCSI-II, HSSI type female. Refer to
Table 3 for pin assignments.
Table 3. HSSI Pinout (J1) 50-Pin Mini-D/SCSI-2 Female
Signal Function
HSSI
Signal
EIA-613
Circuit
Pin # (+, -)
Circuit
Direction
Signal Ground
SG
102
1, 26
Receive Timing
RT
115
2, 27
From DCE
DCE Available
CA
107
3, 28
From DCE
Receive Data
RD
104
4, 29
From DCE
Loopback Circuit C
LC
undefined 5, 30
Not used
Send Timing
ST
114
6, 31
From DCE
Signal Ground
SG
102
7, 32
DTE Available
TA
108/2
8, 33
To DCE
Terminal Timing
TT
113
9, 34
To DCE
Loopback Circuit A
LA
143
10, 35
Not used
Send Data
SD
103
11, 36
To DCE
Loopback Circuit B
LB
144
12, 37
Not used
Signal Ground
SG
102
13, 38
Reserved (to DCE)
14,15,17, 18,
39 - 43
Not used
Tx_Carrier_Off_L
(Notes 1 and 3)
CO undefined
16
From
DTE
Signal Ground
SG
102
19, 44
Carrier Detect (lock)
(Notes 1 and 2)
CD undefined
20
From
DCE
Mod Fault
(Notes 1 and 4)
MF undefined
21
From
DCE
Demod Fault
(Notes 1 and 4)
DF undefined
45
From
DCE
Unit Fault
(Notes 1 and 4)
UF undefined
46
From
DCE
Reserved (to DTE)
22-23
47-48
Not used
Test Mode
TM
142
24, 49
Not used
Signal Ground
SG
102
25, 50