Standard Standard Standard V.35 V.35 V.35 Crossover Crossover Crossover Cable Cable Cable Connection Connection Connection Diagram Diagram Diagram; Sittings Sittings; Sittings Of Of Of Of Switch - 3One data 7304 User Manual

T
U
W
V
X
Y
AA
5.2 5.2 5.2 Standard 5.2 Standard Standard Standard V.35 V.35 V.35 crossover V.35
V.35 feet
CGND A
GND B
RTS C
CTS D
DSR E
DTR H
TXDA P
TXDB S
RXDA R
RXDB T
EXCA U
EXCB W
RXCA V
RXCB X
5.3 5.3 Sittings Sittings

Sittings of of of of switch

switch switch
5.3 5.3 Sittings switch and
Independent device has totally 5 setting switches, with S5 located on the rear panel and
S1~S4 under the bottom cover. The user can easily make settings without the need to open the
cover.
5.3.1 Clock setting
5.3.1 5.3.1 5.3.1 Clock Clock setting Clock setting setting
V.35 interface timing (S5.1= OFF, S5.2=OFF): the sending timing is V.35 port timing, and
the received data, after buffering, is synchronized with V.35 port timing.
Optic interface receiving timing (optic interface originated from the clock, S5.1=OFF ，
S5.2=ON): the sending timing is optic interface receiving timing, and the received data, after
buffering, is synchronized with optic interface receiving timing. Under this timing mode, local
time slot setting can automatically track the opposite time slot setting.
RXD B
EXTCLK
A
EXTCLK
B
RXCL A
RXCL B
TXCL A
TXCL B
crossover crossover crossover cable cable cable cable connection
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and and jumper jumper
and jumper jumper
receiving data line B output
exterior clock line A
exterior clock line B
receiving clock line
A
receiving clock line
B
transmitting
line A
transmitting
line B
connection connection diagram connection diagram diagram diagram
V.35 feet
A
B
D
C
H
E
R
T
P
S
V
X
U
W
Page 8 of 11
MODEL7304 User Manual
input
input
output
output
clock
output
clock
output
CGND
GND
CTS
RTS
DTR
DSR
RXDA
RXDB
TXDA
TXDB
RXCA
RXCB
EXCA
EXCB