User`s manual
Chapter 1 Introduction  RADview FCD-IP User’s Manual 
1-4 LEDs   
Table 1-1. FCD-IP LEDs (Cont.) 
Object Description Function 
LINK1 ERR 
LINK2 ERR 
Red LED  OFF when there is a physical connection and no LINK interface 
error. 
Turns ON briefly when the LINK interface indicates an error. 
Continuously ON when there is no physical connection. 
LAN 1 
LAN 2 
(Back Panel, UTP only) 
Green LED  ON when synchronized with the network. 
FX0 & FXS: 
VOICE 1 LOCAL 
VOICE 2 LOCAL 
VOICE 3 LOCAL 
VOICE 4 LOCAL 
Green LED  On when the device is OFF hook. 
FX0 & FXS: 
VOICE 1 REMOTE 
VOICE 2 REMOTE 
VOICE 3 REMOTE 
VOICE 4 REMOTE 
Green LED  On when the remote side is calling. 
E&M 
VOICE 1M LOCAL 
VOICE 2M LOCAL 
VOICE 3M LOCAL 
VOICE 4M LOCAL 
Yellow LED  Mouth 
E&M 
VOICE 1M REMOTE 
VOICE 2M REMOTE 
VOICE 3M REMOTE 
VOICE 4M REMOTE 
Green LED  Ear 
Fast ETH - LINK 
(1 UTP LAN) 
Top Green 
LED 
ON when synchronized with the network. 
Fast ETH - 100M 
(1 UTP LAN) 
Bottom 
Green LED 
ON when synchronized with the network. 
Fast ETH - LINK 
(4 UTP LANS) 
Left Green 
LED 
ON when synchronized with the network. 
Fast ETH - 100M 
(4 UTP LANS) 
Right Green 
LED 
ON when synchronized with the network. 
ALARM 
LINK1 RED 
SUB RED 
Red LED  ON when T1 link is in Red alarm. 
ALARM 
LINK1 YEL 
SUB YEL 
Yellow LED  ON when T1 link is in YELLOW alarm. 










