H3C Technologies H3C MSR 20-2X[40] - Manual (Page 10)

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Figure 1 Front view of an MSR 20-20 router
(1) Power LED (PWR) (2) System LED (SYS)
(3) ESM LED (ESM)
2. Rear view
Figure 2 Rear view of an MSR 20-20 router
(1) SIC slot2 (2) SIC slot1
(3) Grounding terminal (4) Power socket
(5) Power switch (6) Fixed Ethernet port0 (LAN0)
(7) Fixed Ethernet interface 1 (LAN1) (8) Console port (CON)
(9) Auxiliary port (AUX) (10) USB interface
(11) CF card
Panel LEDs
The following table gives the features of MSR 20-20 router LEDs:
Table 2 Front panel LEDs of an MSR 20-20 router
LED Description
PWR
Power LED:
• ON means power is on.
• OFF means power is off.
SYS
System operating LED:
• Green and fast blinking means the system is booting.
• Green and slow blinking means the system is operating normally.
• Yellow and fast blinking means the system is malfunctioning.
• Steady OFF means the system does not operate normally.