Connector pin assignments, Serial interface pin assignments, dte mode – Verilink WANsuite 5130 (34-00298.L) Product Manual User Manual
Page 249
S p e c i f i c a t i o n s
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Connector Pin Assignments
The Serial Interface is a standard DB-25 jack.
Serial Interface Pin Assignments, DTE Mode
(Packet Use Only)
Serial (DTE) Cable (DB-25–DB25, M/M, crossed), 6-ft
Serial (DTE) Cable (DB-25–V.35, M/M, crossed), 5-ft
Serial (DCE) Cable (DB-25
−
Cisco DB60), 10-ft
Rack Mount, 19-in., for Single Stand-alone Unit
Rack Mount, 23-in., for Single Stand-alone Unit
Description
Function
Abbrev.
Direction
Pin #
DB-25*
RS-232
V.35
EIA-530
Frame Ground
FG
n/a
1
1
A
1
Transmit Data
TD
Output
3
2
P
2
Receive Data
RD
Input
2
3
R
3
Request to Send
RTS
Output
5
4
C
4
Clear to Send
CTS
Input
4
5
D
5
Data Set Ready
DSR
Input
20
6
E
6
Signal Ground
SG
n/a
7
7
B
7
Data Carrier Detect
DCD
Input
8
8
F
8
Balanced Receiver Clock
(B)RC
Input
12
X
9
Balanced Data Carrier Detect
(B)DCD
Input
10
10
Balanced External Transmitter Clock
(B)ETC
Balanced Transmitter Clock
(B)TC
Input
11
AA
12
Balanced Clear to Send
(B)CTS
Input
19
13
Balanced Transmit Data
(B)TD
Output
16
S
14
Transmitter Clock
TC
Input
24
15
Y
15
Balanced Receive Data
(B)RD
Input
14
T
16
Receiver Clock
RC
Input
15
17
V
17
Local Loopback
Loop 3
Output
18
18
J
18
Balanced Request to Send
(B)RTS
Output
13
19
Data Terminal Ready
DTR
Output
6
20
H
20
(Not used)
n/a
21
21
21
Balanced Data Set Ready
(B)DSR
Input
23
22
Balanced Data Terminal Ready
(B)DTR
Output
22
23