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WCM1100 / WCM3100 / WCM-Serial / LHM1000 / LVM2000 User Manual
76-02-082 Rev N
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2.4 LVM2000 LVDS EIA-644 DTE Port
The LVDS interface is presented on a 25-way male D-type connector. The rear panel
connector layout is shown below:
Pin
Direction
Signal name
1
2
SD(A)
Send Data(A)
3
RD(A)
Receive Data(A)
4
RS(A)*
Request to Send(A)
5
6
7
Ground
Signal Ground
8
RR(A)
Receiver Ready(A)
9
RT(B)
Receive Timing(B)
10
RR(B)
Receiver Ready(B)
11
TT(B)
Terminal Timing(B)
12
ST(B)
Send Timing(B)
13
14
SD(B)
Send Data(B)
15
ST(A)
Send Timing(A)
16
RD(B)
Receive Data(B)
17
RT(A)
Receive Timing(A)
18
19
RS(B)*
Request to Send(B)
20
21
22
23
24
TT(A)
Terminal Timing(A)
25
* optionally driven LVDS or LVTTL outputs
