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User Manual
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you list the cross connect table first to avoid mistakes.
5.7.2 Definition of V35 interface
V35 interface uses V35/HDB26 female connector and can be connected to standard DTE cable as in
following figure:
Figure 5-13
Indicator lights are all green:
TD: V35 data Tx indicator
RD: V35 data Rx indicator
LP_STA: loop indicator. ON: local internal loop
PAT_OK: In normal work status is OFF.
ON: RCR check normally
OFF: abnormal
Interface definition:
Name Input/output
Pin
number
Chassis Ground — CGND
-
1
Signal Ground — GND
-
7
Receive Data (A) — RD(A)
O
3
Receive Data (B) — RD(B)
O
21
Receive Timing (A) — RCK(A)
O
17
Receive Timing (B) — RCK(B)
O
25
Send Data (A) — TD(A)
I
2
Send Data (B) — TD(B)
I
11
Send Timing (A) — TCK(A)
O
15
Send Timing (B) — TCK(B)
O
23
Terminal Timing (A) — SCTE(A)
I
24
Terminal Timing (B) — SCTE(B)
I
16
Request to Send — RTS
I
4
Clear to Send — CTS
O
5
Data Set Ready — DSR
O
6
Data Carrier Detect — DCD
O
8
Data Terminal Ready — DTR
I
20
Note
: I—input; O—output
