Overhead interface connector, 2 overhead interface connector – Comtech EF Data CIC-35 LVDS to ASI User Manual
Page 12
CIC-35 LVDS to ASI Interface Converter
Revision 0
MN/CIC35.IOM
3
2.2 OVERHEAD INTERFACE CONNECTOR
The overhead interface connector is a 25-pin D male
interface on the CIC-35.
Pin assignments are listed in the table below:
Pin #
Signal Function
Signal Name
Direction
14
IDR 64 kbps ESC Tx Data +
TX-422DAT-B
In
2
IDR 64 kbps ESC Tx Data -
TX-422DAT-A
In
12
IDR 64 kHz ESC Tx Clock +
TX-422CLK-B
Out
15
IDR 64 kHz ESC Tx Clock -
TX-422CLK-A
Out
11
IDR 1 kHz Tx Octet Clock +
TX-OCT-B
Out
24
IDR 1 kHz Tx Octet Clock -
TX-OCT-A
Out
16
IDR 64 kbps ESC Rx Data +
RX-422DAT-B
Out
3
IDR 64 kbps ESC Rx Data -
RX-422DAT-A
Out
9
IDR 64 kHz ESC Rx Clock +
RX-422CLK-B
Out
17
IDR 64 kHz ESC Rx Clock -
RX-422CLK-A
Out
19
IDR 1 kHz Rx Octet Clock +
RX-OCT-B
Out
4
IDR 1 kHz Rx Octet Clock -
RX-OCT-A
Out
20
Balanced Ext. Ref. Clock +
EXT-CLK-B
In
23
Balanced Ext. Ref. Clock -
EXT-CLK-A
In
13
IBS ESC RS232 Tx Data
TX-232-DATA
In
22
IBS ESC RS232 Tx Clock
TX-232-CLK
Out
8
IBS ESC RS232 Rx Data
RX-232-DATA
Out
10
IBS ESC RS232 Rx Clock
RX-232-CLK
Out
5
IBS Tx High-Rate ESC Data
TX-ASYNC
In
6
IBS Rx High-Rate ESC Data
RX-ASYNC
Out
1
IDR Back Alarm 1 H/W input
BW-IN1
In
18
IDR Back Alarm 2 H/W input
BW-IN2
In
21
IDR Back Alarm 3 H/W input
BW-IN3
In
25
IDR Back Alarm 4 H/W input
BW-IN4
In
7 Signal
Ground
Ground
-