The V.24 Interface - IBM PCI WAN 2 Port S91 Installation Manual

The V.24 Interface

The pin-out assignments for the V.24 interface are shown in the following
diagram.
The signal definitions and names are listed in Table 5 below.
Pin # Signal
1 PGND
2 TXD
3 RXD
4 RTS
5 CTS
6 DSR
7 SGND
8 DCD
15 TCLK
17 RCLK
18 TEST
20 DTR
21 RLB
22 RI
24 DTECLK
25 TI
PG N D
TXD
RXD
RTS
CTS
DSR
SG N D
DCD
Figure 6: V.24 Interface
Name
Protective Ground
Transmit Data
Receive Data
Request to Send
Clear to Send
Data Set Ready
Signal Ground
Data Carrier Detect
Transmit Clock (DCE)
Receive Clock
Local Loopback Activation
Data Terminal Ready
Remote Loopback
Ring Indicator
Transmit Clock (DTE)
Test Indicator
Table 5: V.24 Interface Signals
1
14
TCLK
RCLK
TEST
DTR
RLB
RI
DTECLK
TI
25
13
Direction
Common
Output
Input
Output
Input
Input
Common
Input
Input
Input
Output
Output
Output
Input
Output
Input
11 VHSI Port Interface Specifications
CCITT #
101
103
104
105
106
107
102
109
114
115
141
108
140
125
113
142