MP7500 Router Installation Manual Version 1.0
4-port Channelized POS High-speed Interface Board (RM7B-4CPOS-OC3H)
The RM7B-4CPOS-OC3H high-speed interface board transmits up-layers
data packet (transmitting rate is 155.52Mbps) by using 63-port E1 channel
or port1-12 E1 combination channel of SDH network.
RM7B-4CPOS-OC3H Interface Board
Panel and Indicator
RM7B-4CPOS-OC3H interface board panel:
RM7B-4CPOS-OC3H indicators:
Indicator Description
0
The status of the first port
1
The status of the second port
2
The status of the third port
3
The status of the fourth port
LINK
(green light)
On: Fiber link is connected
Off: Fiber link is not connected
Flash: Link loopback
ACT
(green light)
Flash: The port has data receiving and sending.
Off: The port does not have data receiving and sending.
ONLINE
(green light)
On: RM7B-4CPOS-OC3H card is in online state and cannot be
swapped.
Flash: The system is responding to hot swap processing (flash
frequency is 1Hz).
Off: RM7B-4CPOS-OC3H card is in offline state and can be
swapped.
POWER
(green light)
On: The power of RM7B-4CPOS-OC3H card is normal
Off: Power alarm of RM7B-4CPOS-OC3H card
STATE
(green light)
Off/on: RM7B-4CPOS-OC3H card does not work normally
Flash: RM7B-4CPOS-OC3H card works normally (flash frequency
is 1Hz)
RM7B-4CPOS-OC3H Interface Board
Connected Cable
RM7B-4CPOS-OC3H interface board adopts common dual LC fiber.
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