Instruction manual
FO SERIAL
Page 19
10.
Appendix
10.1. Appendix A – Wiring
10.1.1. Serial Control Port - RJ45
Pin #
Signal
I/O
Description
DB9
1
107 – DSR
OUT Data set ready - permanent
6
2
109 - CD
OUT Not used
1
3
108 - DTR
IN
Data terminal ready
4
4
102 - GND
-
Ground
5
5
104 - RXD
OUT Received data by the terminal
2
6
103 - TXD
IN
Transmitted data by the terminal
3
7
106 - CTS
OUT DCE ready to transmit
8
8
105 - RTS
IN
Terminal ready to transmit
7
An adapter cable (P/N 7055031517) is provided to connect to the DB9 socket of most PC COM port
10.1.2. X21/V11 and V35 Interfaces connector & wiring
A DB25 female connector is used to connect the terminal equipment to the modem via an adaptation cable. The connector is wired as per the
following table:
DB25
Pin
V11-X21
Signal
DB15
Pin
V35 Signal
V35
Pin
V28 - RS232
Signal DB25
1
Chassis GND
1
101 – P.GND
A
Chassis GND
2
TA (Transmit)
2
103 A – TXD A
P
TD
3
RA (Receive)
4
104 A – RXD A
R
RD
4
CA (Control)
3
105 – RTS
C
RTS
5
106 – CTS
D
CTS
6
107 – DSR
E
DSR
7
GND
8
102 – S.GND
B
8
IA (Indication)
5
109 – CD
F
CD
9
SB (Clock)
13
115 B - RCK B
X
10
IB (Indication)
12
11
XB (DTE Clock)
14
113 B - XCK-B
W
12
114 B – TCK B
AA
13
14
TB (Transmit)
9
103 B – TXD B
S
15
114 A – TCK A
Y
TCK
16
RB (Receive)
11
104 B – RXD B
T
17
SA (Clock)
6
115 A – RCK A
V
RCK
18
141 – LL
K
LL
19
CB (Control)
10
20
108 – DTR
H
DTR
21
22
23
24
XA (DTE Clock)
7
113 A – XCK A
U
XCLK (dte clock)
25
142 - TEST
TEST
1….….8
