System information
FCD 901 48
Issue R2A, 07.2009
XMP1 Release 5.5 System Description
Repeater alarms
Page 5-14 Proprietary Information Aastra
• Link E1: LOS (Loss of Signal)
•Link E1: AIS
• Link E1: LOF (Loss of Frame)
• Link E1: CRC4
•Link E1: BER -3
• Link E1: BER -5/6
• Link E1: D-bit received
• Link E1: N-bit received
Alarm suppression
5.7.3 Repeater alarms
The following alarms (alarm no. 648 to 711 in the operator software) are
supported by the SHDSL repeaters (max. 8) available on the SDSL link:
• Reg.x: Configuration error
• Reg.x: SNR margin alarm NS
• Reg.x: BER -5/6 NS
• Reg.x: LOS/LOF
• Reg.x: SNR margin alarm CS
• Reg.x: BER -5/6 CS
• Reg.x: SW/HW incompatibility
• Reg.x: Error during SW download
x = 1 to 8
Alarms detected Suppressed alarms
LOS LOF, CRC4, BER-3, BER-5/6, D-bit
AIS LOF, CRC4, BER-3, D-bit
LOF CRC4, BER-3, BER-5/6, D-bit
CRC4 BER-3, BER-5/6, D-bit
BER-3 BER-5/6
BER-5/6 -
DBit -