User Manual
Modular Multi-service Integrated Optical Transmission Multiplexer
11
Operating Temperature -5
℃
~ +40
℃
Storage Temperature
-25
℃
~ +55
℃
Relative Humidity
10%~95%
Atmospheric pressure
70 ~ 106 kpa
No corrosive and solvent gas, and free from flying dust and
magnetic-field interference.
VI. Description about Functions
Front Panel:
§6.1 DIP Switches
There is a 28-bit DIP switch in the middle of the front panel. The default
configuration of the switches is: all dialed up (dialed up to OFF and down to
ON), and the functions of each bit are listed as below from left to right:
The first DIP switch:
The first bit (S/H):
Selective switch of software control or panel hardware
(manual) control, all the setups are on the software control when the bit is
dialed down, and all the setups are on the panel hardware control when
dialed up.
The second bit (LA/RA):
Selective switch of local/remote alarm indication.
With the hardware control enabled, dial up the bit to indicate local alarm,
down to indicate the remote alarm.
The third bit (LS):
Selection for 2M loopback, Dial up to loop back the
local 2M interface, down to loop back the remote 2M interface.
The fourth bit (LL):
Enable the loopback of the local optical interface. With
the hardware control enabled, dial the bit down to loop back the local
optical interface.
The fifth bit (ABEN):
Enable the manual optical switching. With the
hardware control enabled, dial up the bit to use the default optical switching,
down to enable manual optical switching.