1-16
Status
Port mode
LED
Ethernet port
status LED
Description
Steady green
The port operates in full-duplex mode; the LED is fast flashing
when data is being sent and/or received on the port.
Flashing yellow
(3 Hz)
POST failed on the port.
Steady yellow
(duplex mode)
Off
The port is not up.
Interface Card Status LED
Table 1-15
Interface card status LED description for S5500-SI series (except S5500-20TP-SI)
Mark
Status
Description
Green
The interface card is in the slot and operates normally.
Flashing yellow
The inserted interface card type is incorrect or the interface
card fails.
MOD1
MOD2
Off
No interface card is installed.
Optional Interface Cards
The S5500-SI series (except S5500-20TP-SI) provide two interface card slots on the rear panel. You
can select the interface cards in
Table 1-16
as needed.
Table 1-16
Description of the supported interface cards
Model
Description
Interface quantity
and type
Remarks
LSPM1CX2P
Short-haul Dual-Port
10 GE CX4 Interface
Card
2 × 10 Gbps electrical
ports
Suitable for short-distance
connections using CX4 power
cables
LSPM1XP2P
Dual-Port 10 GE XFP
Interface Card
2 × 10 Gbps XFP
optical ports
LSPM1XP1P
One-port 10 GE XFP
Interface Card
1 × 10 Gbps XFP
optical port
Using XFP optical transceivers
and fibers for long-distance
connections
S5500-20TP-SI Ethernet switch does not support interface cards.