SIP-2
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USER GUIDE - Rev. 3 (January 2018)
Basic LEDs
ON LED
Green. It is permanently lit when the equipment is
powered with an external power-supply voltage.
COM 0 LED
(service port)
Three-coloured. It flashes in green when there is emission
activity or, in red, when there is reception activity by the
COM 0 serial service interface.
It flashes in amber when there is simultaneously emission
and reception activity.
LED associated with the Fast Ethernet (10/100Base-Tx) ports
Link/Act 0 LED
Two-coloured. It stays on when the Eth 0 link is
established correctly, and flashes in the case of emission
or reception activity in the interface. It lights up in
green
at 100 Mbit/s and in
amber
at 10 Mbit/s.
Link/Act 1 LED
Two-coloured. It stays on when the Eth 1 link is
established correctly, and flashes in the case of emission
or reception activity in the interface. It lights up in
green
at 100 Mbit/s and in
amber
at 10 Mbit/s.
LEDs associated with the RS-232/RS-485 port (COM 1)
RS232/RS485 LED
Two-coloured. It stays on, in green, when the COM 1 port
is configured with a 2-wire RS-485 interface and, in red,
when is configured with a 4-wire RS-485 interface.
COM 1 LED
Three-coloured. It flashes, in green, in the case of data
transmission in the COM 1 port or, in red, in the case of
data reception in the COM 1 port.
It flashes in amber when there is simultaneously data
transmission and reception in the COM 1 port.
