MP7500 Router Installation Manual Version 1.0
8-port Non-channelized E1
Interface Board (RM7B-8E1H)
The 8-port non-channelized E1 interface board provides eight bandwidth
2.048Mbit/s ports for data transmission. E1 is the same as CE1. There are
32 timeslots, but timeslot0 of E1 can be used for transmitting data in
unframed mode for 2M transparent transmissions.
RM7B-8E1H Interface Board Panel and
Indicators
RM7B-8E1H interface board panel:
RM7B-8E1H indicators:
Indicator Description
LINK (0-7)
(green light)
On: Link up
Off: Link down
Flash: Link loopback
ONLINE
(green light)
On: RM7B-8E1H card is in online state and cannot be swapped.
Flash: The system is responding to hot swap processing (flash
frequency is 1Hz).
Off: RM7B-8E1H 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-8E1H Interface Board Connected
Cable
The 8E1H interface board adopts special DB40<——> 8×BNC cable to
provide 75
Ω
unbalance coaxial cable interface.
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