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Table 3-1 – RAD Data comm 10/100BaseT to STM-1/OC-3 Converter RIC-155 User Manual

Page 28

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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.

Table 3-2

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.