Paradyne 9820-2M Benutzerhandbuch
Connectors, Cables, and Pin Assignments
C-10
9820-A2-GB20-20
June 2000
The following table provides the pin assignments for the DB25-to-V.35 network
cable.
cable.
Signal
ITU #
25-Pin
Socket
Pin #
Socket
Pin #
Direction
34-Pin
Plug
Pin #
Plug
Pin #
Transmit Data ( TXD )
103
2 ( A )
14 ( B )
14 ( B )
To DCE
P ( A )
S ( B )
S ( B )
Received Data ( RXD )
104
3 ( A )
16 ( B )
16 ( B )
From DCE
R ( A )
T ( B )
T ( B )
Transmit Signal Element Timing
( TXC ) — DCE Source
( TXC ) — DCE Source
114
15 ( A )
12 ( B )
12 ( B )
From DCE
Y ( A )
AA ( B )
AA ( B )
Received Signal Element Timing
( RXC ) — DCE Source
( RXC ) — DCE Source
115
17 ( A )
9 ( B )
9 ( B )
From DCE
V ( A )
X ( B )
X ( B )
Transmit Signal Element/
Terminal Timing ( TT ) —
DTE Source
Terminal Timing ( TT ) —
DTE Source
113
24 ( A )
11 ( B)
11 ( B)
To DCE
U ( A )
W ( B )
W ( B )
Request to Send ( RTS )
105
4
To DCE
C
Clear to Send ( CTS )
106
5
From DCE
D
Data Terminal (or DTE ) Ready
( DTR )
( DTR )
108/1, /2
20
To DCE
H
Data Channel Received Line
Signal Detector ( RLSD or LSD )
Signal Detector ( RLSD or LSD )
109
8
From DCE
F
Loopback/Maintenance ( RL )
140
21
To DCE
N
Local Loopback ( LL )
141
18
To DCE
L
Test Mode Indicator ( TM )
142
25
From DCE
NN
Data Set (or DCE ) Ready ( DSR )
107
6
From DCE
E
Signal Ground/Common ( SG )
102
7, 23
—
B