Raisecom Gazelle S2028i Manual page 26

Raisecom
Gazelle ST2028i (A) Hardware Description
Power 2
status LED
Synchronous
LED
Interface
status mode
LED
(switched by
MODE
button)
Interface
status LED
(LEDs on
both the front
panel and the
rear panel)
When S6, S7 and S8 are configured with functional cards, the corresponding
interface status LEDS on the front panel are off.
LED Print
PWR2
SYN
LNK/ACT
SPD
FDX/HDX
S1–S8 (2
LEDs in S1
and S2
respectively
and 4 LEDs
in S3–S8
respectively
)
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Status

Green: power supply 2 is normal.
Green
 Off: power supply 2 is abnormal or the device
is powered off.
 Green: the clock is synchronous.
Green
 Off: the clock is asynchronous.
Green Green: it displays LNK/ACT mode of all
interfaces.
Green Green: it displays SPD mode of all interfaces.
Green Green: it displays FDX/HDX mode of all
interfaces.
Green It indicates the status of the corresponding
interface. Cooperated with the interface status
mode LED, it indicates the status of the current
interface. By default, the status is LNK/ACT
mode.
SPD mode:
 Green: the interface works at the highest rate.
 Off: the working rate of the interface is lower
than the normal rate.
FDX/HDX mode:

Green: FDX mode
 Off: HDX mode
LNK/ACT mode:

Green: the line is properly connected.
 Blinking green: the line is receiving or
sending data.
 Off: the line is disconnected or improperly
connected.
2 Structure
Description
16