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Opera 4 IP System Manual
Page 6
1.2.
Status LEDs
There are six LEDs behind the clear lens on the front of the unit. The functions of these are as
follow, from left to right.
LED
Status: ON
Status: OFF
Status: Flashing
System starting
Power off
Power On. Normal
operation.
LAN link present
No LAN link present
LAN activity
SIP server
connection OK
SIP server connection
NOT OK
One or more SIP accounts
NOT OK
ISDN BRA
connected at L1
N/A
N/A
ISDN BRA
connected at L2
N/A
N/A
Fault Condition.
Contact technical
support
No fault condition
N/A
1.3.
Back Panel Connectors and Fax port
Ethernet
Doorphone
Relay
4 analogue a/b ports
ISDN or PSTN Trunk Lines
4 3 2 1
Power Port:
For connecting the power adaptor.
Ethernet Port:
For connecting the unit to a router or LAN.
Doorphone Relay:
For connecting a doorphone relay
Analogue Ports 1- 4
: for connecting analogue a/b extensions
Fax Port:
Fax machines should be connected to analogue port 1.
L1 and L2:
For connecting the unit to ISDN or PSTN trunk lines from the public network.