MP7500 Router Installation Manual Version 1.0
8-channelized E1 Interface Board
(RM7B-8CE1H)
The 8-channelized E1 interface board provides eight 1984K (31×64Kbps)
multi-timeslots data flow receiving, sending and processing port. For CE1
interface, divide timeslot 1-31 to different groups, and each group works
as one interface after binding.
RM7B-8CE1H Interface Board Panel and
Indicators
RM7B-8CE1H interface board panel:
RM7B-8CE1H indicators:
Indicator Description
LINK (0-7)
(green light)
On: Link up
Off: Link down
Flash: Link loopback
ONLINE
(green light)
On: RM7B-8CE1H card is in online state and cannot be swapped.
Flash: The system is responding to hot swap processing (flash
frequency is 1Hz).
Off: RM7B-8CE1H card is in offline state and can be swapped.
POWER
(green light)
On: Power normal
Off: power alarm
STATE
(green light)
Off/on: not work normally
Flash: works normally (flash frequency is 1Hz)
RM7B-8CE1H Interface Board Connected
Cable
8CE1H interface board adopts special DB40<——> 8×BNC cable to provide
75
Ω
unbalance coaxial cable interface.
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