Toshiba GSC1000-C Operation Manual page 393

OWS/
EWS
System
window
Alarm Massage of transmission error is displayed.
window
Link failure of LAN port.
Causes
Remedies Check the following :
1. Check that LAN cable connecting IED and ESW is properly connected.
2. Check there is no damage or bend in the optical cable connecting IED and ESW.
ESW-A
LAN-
LAN-A
Hot
Port-A Port-B
IED
If Port-A is Linkdown, this line displays in red.
By a location of the link failure of LAN port, color of the LAN-A/LAN-B
is displayed as follows.
No. Link condition
Port-A Port-B
1 Linkdown Linkup
2 Linkup Linkdown
Linkdown Linkdown
3
392
Ring LAN-A
ESW-B Ring LAN-B
"Hot" is displayed.
Display colour of LAN
LAN-A LAN-B
Red Green
Green Red
Red Red
6F2M2000