3com S27x User Manual

C-2 

PathBuilder S24x, 26x, and 27x Switch Error Codes

During a warm start, display sequencing starts with the “L2” code.

48

OFF

ON

FLASH write failure

49

OFF 

ON

Read error on Port 6

60

OFF

ON

Local DRAM exhausted

8.8.

ON

OFF

PBIST (~3 seconds)

(Blank)

OFF

OFF

PBIST lamp-off test (~.5 seconds)

L0

OFF

OFF

Load Phase 0—PROM IPL loads the FLASH 
IPL image, (~ 1 second)

L1

OFF

OFF

Load Phase 1—FLASH IPL decompresses and 
loads the FBIST image (~ 1 second)

(Rotating segments)

ON

OFF

FBIST lamp test (~ 2 seconds)

L2

OFF

OFF

Load Phase 2—FLASH IPL decompresses and 
loads the ONS image (several seconds)

L3

OFF

OFF

Load Phase 3—STARTUP inventories the 
modules in ONS image (~ 3 seconds)

L4

OFF

OFF

Load Phase 4—SYSINIT inits memory mgmt. 
and all ONS modules (~10 seconds)

CR

OFF

ON

PathBuilder S24x, 26x, and 27x switch has 
crashed

(Blank with flashing 
dashes)

OFF

OFF

Normal system operation

Display (continued)