Specifications

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