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Status LED Indicators – 2N ® BRI Enterprise
The status is indicated by five LEDs on the front side. BRI 1 and 2N BRI Enterprise
®
BRI 2 indicate the status of ISDN BRIs and CH 1 and CH 2 indicate the status of each
GSM/UMTS module. Refer to the table below for the statuses.
LED Indicators
Power
supply
green light – mains powered
– device switched off no light
GSM
/UMTS
network
green light – call in progress
– error red light
– network registration, SMS green flashing
– module restart red flashing
– signal intensity indication Red/green flashing
ISDN
port
green light – 2 calls in progress
– ISDN synchronisation/active call green flashing
– ISDN disconnected red light
– synchronisation of lower ISDN layers red flashing
Ethernet
port
green light – disconnected + no orange light
– 100BaseT connected, in operation green light + orange flashing
no green light + orange light – 10baseT connected, no operation
green fl orange flashing – 10BaseT connection, in operation
Signal
intensity
Signal intensity indication:one segment = less than −109dbmtwo segments =
more than −95dbmthree segments = more than −81dbmfour segments = more
than −65dbm
* If the devices have been interconnected, the layers will not be connected until the
first call.
**Remember to set the signal intensity indication in the gateway configuration menu.
Potential GSM/UMTS Troubles
All gateways work reliably under a long-time full load. The following problems 2N GSM
may be caused by GSM/UMTS networks: