3One data 7304 Manual del usuario - Página 8
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T
U
W
V
X
Y
AA
5.2
5.2
Standard
Standard
V.35
V.35
crossover
crossover
5.2 Standard
5.2
Standard V.35
V.35 crossover
crossover cable
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
5.3
5.3 Sittings
Sittings
Sittings of of of of switch
Sittings
switch and
switch
switch
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
5.3.1
Clock
Clock
setting
setting
5.3.1
5.3.1 Clock
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
receiving data line B output
EXTCLK
exterior clock line A
A
EXTCLK
exterior clock line B
B
receiving clock line
RXCL A
A
receiving clock line
RXCL B
B
transmitting
TXCL A
line A
transmitting
TXCL B
line B
cable
cable
connection
connection
cable connection
connection diagram
V.35 feet
—————
A
—————
B
—————
D
—————
C
—————
H
—————
E
—————
R
—————
T
—————
P
—————
S
—————
V
—————
X
—————
U
—————
W
and
and jumper
and
jumper
jumper
jumper
Page 8 of 11
MODEL7304 User Manual
input
input
output
output
clock
output
clock
output
diagram
diagram
diagram
CGND
GND
CTS
RTS
DTR
DSR
RXDA
RXDB
TXDA
TXDB
RXCA
RXCB
EXCA
EXCB