User's Manual

BSDU Description
23
The BSDU provides LEDs for indicating the status of various operations. The LEDs are located
on the front panel. The LEDs colors are green with 3 optional states: Off, On and Flashing. The
following table details the LEDs functionality:
LEDs Description
LED Status Description
On BSR is connected when the link is On (100 Base-T) BSR Status
10/100
(1–8)
Off BSR is connected when the link is On (10 Base-T)
On Physical link exists between BSDU and BSR
Flashing Ethernet activity detected on BSR port
BSR Status
LNK/ACT
(1–8)
Off No physical link exists between BSDU and BSR
On Power supplied to BSDU’s BSR port BSR Status
Power
(1–8)
Off BSDU’s BSR port is disabled by software, or port failure has
occurred
Load Indicator 8 levels of
On
The Traffic Load Bar indicates 8 traffic levels via 8 LEDs:
No. of LEDs Utilization
1 0.4%
2 0.8%
3 1.6%
4 3.2%
5 6.4%
6 12.8%
7 25%
8 Over than 50%
On Viable physical link between the 10/100 Base-T port and the
external device to which this port connects
Flashing Ethernet activity detected on 10/100 Base-T port
General
Purpose
Switch
LNK/ACT
(1–5)
Off No physical link between 10/100 Base-T port and external device
to which this port connects
On The link between the general purpose switch port and the
external device is synchronized with a rate of 100 Base-T
General
Purpose
Switch
10/100
(1–5)
Off The link between the general purpose switch port and the
external device is synchronized with a rate of 10 Base-T
On Viable physical link between the 10/100/1000 Base-T port
towards the backhaul or the daizy-chained BSDU
Flashing Ethernet activity detected on 10/100 Base-T port
GE Ports
Status
Backhaul /
Cascade
LNK/ACT
(1–2)
Off No physical link between the 10/100/1000 Base-T port towards
the backhaul or the daizy-chained BSDU
GE Ports
Status
Backhaul /
On The link between the GE port and the backhaul or the daizy-
chained BSDU is synchronized with a rate of 100 Base-T