Ethernet connection pin assignments, Serial interface pin assignments for dce mode – Verilink WANsuite 5230 (34-00304.F) Product Manual User Manual
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Serial Interface Pin Assignments for DCE Mode
*This refers to the DB-25 Serial interface connector on the back of the unit.
Ethernet Connection Pin Assignments
The
10/100 ETHERNET
interface is an eight-pin modular jack that complies
with standard twisted-pair, 10/100Base-T requirements. The table below
displays the Ethernet Connection pin assignments.
Function
Abbrev.
Direction
Pin #
DB-25*
RS-232
V.35
EIA-530
X.21
Frame Ground
FG
n/a
1
1
A
1
1
Transmit Data
TD
Input
2
2
P
2
2
Receive Data
RD
Output
3
3
R
3
4
Request to Send
RTS
Input
4
4
C
4
3
Clear to Send
CTS
Output
5
5
D
5
--
Data Set Ready
DSR
Output
6
6
E
6
--
Signal Ground
SG
n/a
7
7
B
7
8
Data Carrier Detect
DCD
Output
8
8
F
8
5
Balanced Receiver Clock
(B)RC
Output
9
X
9
13
Balanced Data Carrier Detect
(B)DCD
Output
10
10
12
Balanced External Transmitter
Clock
(B)ETC
Input
11
W
11
--
Balanced Transmitter Clock
(B)TC
Output
12
AA
12
--
Balanced Clear to Send
(B)CTS
Output
13
13
--
Balanced Transmit Data
(B)TD
Input
14
S
14
9
Transmitter Clock
TC
Output
15
15
Y
15
--
Balanced Receive Data
(B)RD
Output
16
T
16
11
Receiver Clock
RC
Output
17
17
V
17
6
Local Loopback
Loop 3
Input
18
18
J
18
--
Balanced Request to Send
(B)RTS
Input
19
19
10
Data Terminal Ready
DTR
Input
20
20
H
20
--
(Not Used)
n/a
21
21
21
--
Balanced Data Set Ready
(B)DSR
Output
22
22
--
Balanced Data Terminal Ready
(B)DTR
Input
23
23
--
External Transmitter Clock
ETC
Input
24
24
U
24
--
(Not Used)
n/a
25
25
25
--
Pin
Ethernet Interface
1
Data Out (+)
2
Data Out (-)
3
Data In (+)
6
Data In (-)