The V.35 Interface - IBM PCI WAN 2 Port S91 Installation Manual

The V.35 Interface

The pin-out assignments for the V.35 interface are shown in the following
diagram.
The signal definitions and names are listed in Table 6 below.
Pin # Signal
A PGND
B SGND
C RTS
D CTS
E DSR
F DCD
H DTR
J RI
L TEST
N RLB
P TXD+
R RXD+
S TXD-
T RXD-
U CLK+
V RCLK+
W CLK-
X RCLK-
Y TCLK+
AA TCLK-
NN TI
SGND
C T S
D C D
RI
TEST
RLB
R XD +
R XD -
R C LK +
R C LK -
TI
Figure 8: V.35 Interface
Name
Protective Ground
Signal Ground
Request to Send
Clear to Send
Data Set Ready
Data Carrier Detect
Data Terminal Ready
Ring Indicator
Local Loopback Activation
Remote Loopback
Transmit Data
Receive Data
Transmit Data
Receive Data
Transmit Clock (DTE)
Receive Clock (DCE)
Transmit Clock (DTE)
Receive Clock (DCE)
Transmit Clock (DCE)
Transmit Clock (DCE)
Test Indicator
Table 6: V.35 Interface Signals
B A P G N D
R T S
DSR
D T R
T X D+
TX D-
CLK+
CLK-
T CLK+
TCLK-
NN MM
Direction
Common
Common
Output
Input
Input
Input
Output
Input
Output
Output
Output
Input
Output
Input
Output
Input
Output
Input
Input
Input
Input
13 VHSI Port Interface Specifications
CCITT #
101
102
105
106
107
109
108
125
141
140
103A
104A
103B
104B
113A
115A
113B
115B
114A
114B
142