3One data 7304 Panduan Pengguna - Halaman 8
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Halaman CetakT
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
—————
—————
—————
—————
—————
—————
—————
—————
—————
—————
—————
—————
—————
—————
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