Dce Interface - Eicon Networks Eiconcard C90 Installation Manual

V.24 DCE interface
A pin-out diagram for the V.24 DCE
interface is shown in Figure 1. The
signal definitions and names are
listed in Table 3. V.24 DCE
interface.
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
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 3. V.24 DCE interface signals
VHSI port specifications
1
PG N D
TXD
RXD
RTS
CTS
DSR
SG N D
DCD
13
Figure 1. V.24 DCE interface
Direction
Common
Output
Input
Output
Input
Input
Common
Input
Input
Input
Output
Output
Output
Input
Output
Input
14
TCLK
RCLK
TEST
DTR
RLB
RI
DTECLK
TI
25
CCITT #
101
103
104
105
106
107
102
109
114
115
141
108
140
125
113
142
17