Rear View - H3C MSR 20-20 Installation Manual

12 C 1: O
HAPTER VERVIEW
H3C MSR 20-21 Router
Table 5 Front panel LEDs description of MSR 20-20 router
LED
ESM
Table 6 Rear panel LEDs of H3C MSR 20-20 Router
LED
LINK
ACT
CF
Appearance
1 Front view
Figure 3 Front view of H3C MSR 20-21
(1) Power LED (PWR)
(3) ESM LED (ESM)

2 Rear view

Figure 4 Rear view of H3C MSR 20-21
(3) (4)
(5)
Description
ESM module LED:
Green and slow blinking means the system is booting.
Green means ESM card is operation normally.
Yellow means ESM card is malfunctioning.
Steady OFF means no ESM card is present.
Description
OFF means no link is present.
ON means a link is present.
OFF means no data is being transmitted or received.
Blinking means data is being transmitted or received.
Steady green means a CF card is present.
Green and blinking means the CF card is reading/writing data. To
prevent data corruption, do not remove the running CF card.
Steady yellow means the present CF card is malfunctioning.
Steady OFF means no CF card is present or the present CF card
cannot be identified by the system.
(1) (2) (3)
(7)
(13) (6) (8)
(2) System LED (SYS)
(1) (2)
(9) (10) (11) (12)