RadioFrame Networks Inc DH2 Manuel D’Utilisation
Method of Procedure
Operations and Maintenance
Operations and Maintenance
120
RFN_3.1 Beta
Indication
Possible failure
Corrective action
alarm from the far end.
Notify far end.
AIS LED is lit
(Alarm Indication Signal)
(Alarm Indication Signal)
Far end equipment failure
NOTE: The AIS LED is lit
when the All Ones Keep
Alive signal is received.
when the All Ones Keep
Alive signal is received.
Check for proper operation
of external site equipment.
of external site equipment.
Notify far end.
FE/CRC LED is lit
(Framing Error/CRC Error)
(Framing Error/CRC Error)
T1 is no configured for ESF
Configure T1 correctly.
Bit
errors
Check T1/E1 cabling.
Check T1/E1 levels.
Check for T1/E1 noise or
crosstalk.
crosstalk.
Site controller failure
Replace Site controller.
BPV/PD LED is lit
T1 is not configured for
B8Zs
B8Zs
Configure T1 correctly
Bit
errors
Check T1/E1 cabling.
Check T1/E1 levels.
Check for T1/E1 noise or
crosstalk.
crosstalk.
Site controller failure
Replace iSC-3.
Net LED is lit
(Network Loopback)
(Network Loopback)
The Site controller has
received an in-band or out-
of-band loopback code, and
is in loopback mode.
received an in-band or out-
of-band loopback code, and
is in loopback mode.
Notify far end.
Local LED is lit
(Local Loopback)
(Local Loopback)
Front panel switch has put
the iSC-3 into loopback
mode.
the iSC-3 into loopback
mode.
Push and hold the Sel/Loop
switch for 2 seconds. This
action takes the unit out of
loopback mode.
switch for 2 seconds. This
action takes the unit out of
loopback mode.
EAS Troubleshooting
Indication
Possible failure
Corrective action
EAS breaker on Cabinet
breaker is on, but POWER
LED (green) on EAS is not lit.
breaker is on, but POWER
LED (green) on EAS is not lit.
No power connected to
EAS.
EAS.
Check power source.
Cabling
Check power cabling to EAS;
replace cable if necessary.
replace cable if necessary.
Wrong EAS response.
Miswired modular cable
Check EAS modular cabling.
AC fail alarm
AC input, or an open or
disconnected alarm lead.
disconnected alarm lead.
Verify AC in put, check for
open and disconnected
alarm leads.
open and disconnected
alarm leads.
High temperature alarm
AC input to air conditioner
Verify AC input.
Site air conditioner
Call for service on air
conditioner.
conditioner.