Installation Manual
Quidway R2600/3600 Series Modular Routers
Chapter 8
Function Modules
8-19
Enlarged A side
V.35 Male
A
Label
DB50 Male
B
Enlarged B side
Pos.50
Pos.1
Figure 8-23 V.35 DTE cable
Table 8-14 V.35 DTE cable pinouts (DB-50↔ 34PIN)
DB-50 Signal Description Direction 34 PIN Signal
2 RTS/CTS Twisted pair no. 9
→
CRTS
31 CTS/RTS Twisted pair no. 8
←
DCTS
6 DSR/DTR Twisted pair no. 7
←
EDSR
30 DCD/LL Twisted pair no. 6
←
FRLSD
26 DTR/DSR Twisted pair no. 10
→
HDTR
1 LL/DCD Twisted pair no. 11
→
KLT
15 TxD/RxD+
→
PSD+
39 TxD/RxD-
Twisted pair no. 1
→
SSD-
20 RxD/TxD+
←
R RD+
44 RxD/TxD-
Twisted pair no. 5
←
T RD-
16 TxCE/TxC+
→
USCTE+
40 TxCE/TxC-
Twisted pair no. 2
→
WSCTE-
19 RxC/TxCE+
←
V SCR+
43 RxC/TxCE-
Twisted pair no. 4
←
X SCR-
18 TxC/RxC+
←
YSCT+
42 TxC/RxC-
Twisted pair no. 3
←
AA SCT-
50 GND Single - A Shield_GND
7 GND Twisted pair no. 12 - B Circuit_GND
23 MODE-DCE Shorting group GND - -
21 MODE-0 Shorting group GND - -
46 MODE-1 Shorting group GND - -
24 RxD-REST Shorting group GND - -
49 RxC-REST Shorting group GND - -
25 TxC-REST Shorting group GND - -