Figure 65: Eia-530 Pic; Table 31: Db-25 Connector To V.35 Connector Pinout - Juniper M10i Hardware Manual

M10i Internet Router Hardware Guide

Figure 65: EIA-530 PIC

Table 31: DB-25 Connector to V.35 Connector Pinout

DB-25 Pin
2
14
3
16
4
5
6
20
24
11
15
12
17
9
1
7
204
X.21 and V.35 Cable Pinouts for EIA-530 PIC
A V.35 connection requires an DB-25 to V.35 cable and connects to a V.35 data
terminal equipment (DTE) 34-pin Winchester type male cable (one per port).
Table 31 on page 204 describes the V.35 cable pinouts.
An X.21 connection requires an DB-25 to X.21 cable and connects to a X.21 DTE
DB-15 male cable.
Table 32
Signal
TD
TD
RD
RD
RTS
CTS
DSR
DTR
XTC
XTC
TC
TC
RC
RC
FGND
GND
on page 205 describes the X.21 cable pinouts.
V.35 Pin Description
P Transmit Data
S Transmit Data
R Receive Data
T Receive Data
C Ready To Send
D Clear To Send
E Data Set Ready
H Data Terminal Ready
U DTE Transmit Clock
W DTE Transmit Clock
Y Transmit Clock
AA Transmit Clock
V Receive Clock
X Receive Clock
A Protective Ground
B Signal Ground