3onedata 7301 User Manual - page 3
Your Serial and Data Communications Expert
Shenzhen 3onedata Technology Co.,Ltd
2.
2.
2.
2. Optic
Optic
Optic
Optic Fiber
Fiber
Fiber
Fiber interface
interface
interface
interface
Optic fiber interface need use in pairs, TX port is fiber send side,
connect another long-range light of interface fiber receive end RX ;
RX port is fiber receive side , connect
long-range same fiber send
side :
Optic fibers spent both ends mark the label (the following picture
show: A-A, B-B, can also mark another: A1-A2, B1-B2), in order to
use.
DIP
DIP
DIP
DIP switch
switch
switch
switch setup
setup
setup
setup::::
There have a range of DIP switch in the 7301
panel, Time Slot is
used to choose E1 time slot,SW1 is used to function setup.
Function
Function
Function
Function setup
setup
setup
setup switch
switch
switch
switch SW1
SW1
SW1
SW1
1.
1.
1.
1. Impedance
Impedance
Impedance
Impedance setup
setup
setup
setup
NO.1
NO.2
NO.3
Inpedance
ON
ON
ON
75 Ohm
OFF
OFF
OFF
120 Ohm
2.
2.
2.
2. Loop
Loop
Loop
Loop setup
setup
setup
setup
NO.4
OFF:non-loop
ON:optic interface loop
NO.5
OFF:non-loop
ON:E1 interface loop