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RAD Data comm RIC-155 Manuale Utente

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Chapter 3  Operation 
RIC-155 Installation and Operation Manual 
3-2 
Controls and Indicators
 
 
Table 3-1.  RIC-155 LEDs 
Name Function 
Location 
PWR (green)  
ON – Power supply is ON 
Front panel 
ALM (red) 
ON – Alarm is present in the alarm buffer 
Front panel 
SPEED (green) 
ON – LAN is operating at 100 Mbps 
OFF – LAN is operating at 10 Mbps 
Front/rear panel 
ACT/LINK 
(yellow) 
ON – LAN is connected to the Ethernet interface 
OFF – LAN is not connected to the Ethernet interface 
Blinking – Ethernet interface is receiving/transmitting data 
Front/rear panel 
SIG (green) 
ON – Link integrity signal is detected on the STM-1/OC-3 link 
Front/rear panel 
Upon turning RIC-155 on, the PWR LED in the front panel lights to indicate that 
RIC-155 is on. 
 shows the correct status of the indicators after power-up 
and software decompression. RIC-155 initialization may take up to 3.5 minutes. 
For detailed description of the initialization sequence, refer to 
Starting Terminal 
Session for a First Time
 in Chapter 4. 
Table 3-2.  RIC-155 Normal Indicator Status 
Indicator Status 
PWR ON 
 
ALM 
OFF, if all ports are connected 
SPEED 
ON or OFF, according to the 
speed of connected LAN 
LINK/ACT  Blinking, if port is connected 
and transferring data 
SIG 
ON, if port is connected 
If the above LED indications do not appear following initial power turn-on, refer to 
Chapter 5
 for the diagnostic test instructions.