MP7500 Router Installation Manual Version 1.0
32-port Non-channelized E1 Interface Board (RM7B-32E1H)
The 32-port non-channelized E1 interface board provides 32 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-32E1H Interface Board Panel and
Indicators
RM7B-32E1H interface board panel:
RM7B-32E1H indicators:
Indicator Description
LINK (0-31)
(green light)
On: Link up
Off: Link down
Flash: Link loopback
ONLINE
(green light)
On: RM7B-32E1H card is in online state and cannot be swapped.
Flash: The system is responding to hot swap processing (flash
frequency is 1Hz).
Off: RM7B-32E1H 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-32E1H Interface Board Connected
Cable
32E1H interface board adopts special DB40<——> 8×BNC cable to provide
75
Ω
unbalance coaxial cable interface.
RM7B-32E1H Jumper Setting
RM7B-32E1H provides internal jumper setting for interface grounding. The
jumpers are located after DB40 pin connector and each port corresponds
with a jumper.
Maipu Confidential & Proprietary Information
Page
33
of
62
