3Com PathBuilder S21x, Installation Manual

Page: 37 / 66

Powering on the PathBuilder S21x Switch 3-3
Powerup Diagnostics
Powerup Diagnostics
Introduction
This section describes diagnostics that run automatically when you power up the
PathBuilder S21x switch.
Front Cover LEDs
The three front cover LEDs on the PathBuilder S21x switch help you follow the
progress of the unit’s powerup. Figure 3-7 shows the front cover.
Figure 3-7. Front Panel of the PathBuilder S21x Switch
Detailed Front
Panel LEDs
Figure 3-8 illustrates the detailed front panel LEDs located behind the front cover.
Figure 3-8. Detailed Front Panel LEDs
TST
PWR STS
Power
WD
®
PathBuilder
Series S200
Status
Test Watchdog
POWER
DATA IN
CTP-- PORT 4
DIAG.
DFLT NODE
3 3
TM
RI
Port
MB
RESET
STATUS
TEST
WATCHDOG
LAN 4 3 2 1
DATA OUT
PORT
Watchdog -GREEN
On:
Hardware or software failure. Press
Reset or Power Cycle to clear LED.
Off: Processor OK.
Test - RED
Indicates status of test results.
On: Test Failed
Off: Normal Condition
Flashing:Test in Progress
Data Out - GREEN
On: Data Leaving Port = SPACE
Off: Data Leaving Port = MARK
Data In - RED
On: Data Entering Port = SPACE
Off: Data Entering Port = MARK
Status - GREEN
On:
Software Running
Off: Software Not Running (Hardware Fault)
Flashing (Slow):Software Download in Progress
Power On - GREEN
Power is on and all DC Voltages
are within specifications.
Reset
Resets (restarts) the unit.