Toshiba Carrier BMS-IFBN1281U-UL Service Manual page 11

BN interface
 LED names
LED
POWER
RS485
LINK1(Uh)
LINK2(Uh)
ERROR
L1
LAN port LED1
LAN port LED2
LED color
Red
Green
Orange
Orange
Red
Green
Green
Green
L1
LAN port LED1
Use
Power indicator
Not use
Uh Line communication status indicator
Not use
Uh Line communication error indicator
BACnet communication status indicator, setting error indicator
Link LED
Lights when a LAN cable is inserted and a link is established.
Is unlit when no link is established.
Communication speed LED
Lights when the communication speed is 100 Mbps.
Blinks during communication.
ERROR
LAN port LED2
Service Manual
LINK1(Uh)
POWER
-EN
11