User guide
4 Channel RS-232 Module
4xRS-232 module, HD68 to 4 DB-9 connectors to RS-232 interface. Breakout adapter cable is included.
10
(f) RS232 tributary card
Any kind of the above cards is allowed to plugged into tributary slot 1~4.
(TB1~TB4)
RS232
DB-9 Female DCE
DB-9 Female DCE
DB-9 Female DCE
Pin
Description
I/O
1
DCD
Output
2
TXD
Output
3
RXD
Input
4
DTR
Output
5
SG
GND
6
DSR
Input
7
RTS
Output
8
CTS
Input
9
RI
Output
1 5
6 9
4 Channel V.35 Module
4xV35 module, HD68 to 4 M34 connectors to V.35 interface. Breakout adapter cable is included.
M/34 Female DCE
M/34 Female DCE
M/34 Female DCE
M/34 Female DCE
M/34 Female DCE
M/34 Female DCE
Pin
Signal
Description
Pin
Signal
Description
A
Chassis Ground
-
V
Receive Timing A
Out
B
Signal Ground
-
W
Terminal Timing B
In
C
Request to Send
In
X
Receive Timing B
Out
D
Clear to Send
Out
Y
Send Timing A
Out
E
Data Set Ready
Out
Z
N/A
-
F
Data Carrier Detect
Out
AA
Send Timing B
Out
H
Data Terminal Ready
In
BB
N/A
-
J
Local Loop Back
Out
CC
N/A
-
K
Local Test
In
DD
N/A
-
L
N/A
-
EE
N/A
-
M
N/A
-
FF
N/A
-
N
N/A
-
HH
N/A
-
P
Send Data A
In
JJ
N/A
-
R
Receive Data A
Out
KK
N/A
-
S
Send Data B
In
LL
N/A
-
T
Receive Data B
Out
MM
N/A
-
U
Terminal Timing A
In
NN
N/A
-
9
(c) 4V35 tributary card
4*V35 card, HD68 to 4*M34 Connectors to V.35 interface.
(d) 4 channel FXO/FXS tributary card
FXS and FXO, FXO connected to a central office or PBX and FXS
connected to customer telephone, each line FXO raises the same line FXS.
Every channel provide 64k voice bandwidth.
(e) X.21 tributary card
4*X21 card, HD68 to 4*M34 Connectors to X21 interface.
FXO
FXS
X.2 1
14! RLH Industries, Inc. • 866-DO-FIBER • www.fiberopticlink.com! Introduction