Download User`s Manual

Type
01
02
01:ERM-MUX
02:ETUO3
03
04
03:ETU-DXC
04:MANAGER
05
06
07
05:NMC
06:SUB E1
07:ERM-DXC
Administration
Networking management system covers the in-band and out-band.
In-band Networking Management
The management signal is covered in one of the E1 timeslot. It totally depend on
the DDN itself. Doesn’t need the other channel for transmitting.
The bottom-level(the third-level) equipment drop one E1 timeslot message to the
upper-level equipment. The upper-level equipment will channelize the router and put
all the collected data together in one E1 timeslot. Then the message will keep going
up to another level.
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ERM-MUX
网管计算机
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ETU02 MUX
ETU03-MUX