Connector Assignments
6.2 4x HDCL-Interface
Device connector:
37-pin DSUB connector, female
Pin Position:
Pin Assignment:
Port
Signal
Pin
Signal
COM1
(Output)
TX+ (A)
1
20 TX- (B)
(Output)
(Input)
RX+ (A)
2
21 RX- (B)
(Input)
(Output)
TX-CLK+ (A)
3
22 TX-CLK- (B)
(Output)
(Input)
RX-CLK+ (A)
4
23 RX-CLK- (B)
(Input)
(reference potential)
GND
5
24 TX+ (A)
(Output)
COM2
(Output)
TX- (B)
6
25 RX+ (A)
(Input)
(Input)
RX- (B)
7
26 TX-CLK+ (A)
(Output)
(Output)
TX-CLK- (B)
8
27 RX-CLK+ (A)
(Input)
(Input)
RX-CLK- (B)
9
28 GND
(reference potential)
COM3
(Output)
TX+ (A) 10
29 TX- (B)
(Output)
(Input)
RX+ (A) 11
30 RX- (B)
(Input)
(Output)
TX-CLK+ (A) 12
31 TX-CLK- (B)
(Output)
(Input)
RX-CLK+ (A) 13
32 RX-CLK- (B)
(Input)
(reference potential)
GND 14
33 TX+ (A)
(Output)
COM4
(Output)
TX- (B) 15
34 RX+ (A)
(Input)
(Input)
RX- (B) 16
35 TX-CLK+ (A)
(Output)
(Output)
TX-CLK- (B) 17
36 RX-CLK+ (A)
(Input)
(Input)
RX-CLK- (B) 18
37 GND
(reference potential)
n.c. 19
Shield S
Signal Description:
Rx+/-, Tx+/- ...
RS-422 signal lines of the corresponding COM port
/-,
/-...
Clock-signal lines of the corresponding COM port
Shield ...
shielding (connected with the case of the 37-pin DSUB connector)
n.c. ...
not connected
CPCI-COM4
Hardware Manual • Doc. No.: I.2328.21 / Rev. 1.0
Page 15 of 17
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