Carrier Access Network Device Axxius 800 Manual de usuario Pagina 396

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9-4 Axxius 800 - Release 2.2
ISDN BRI Card
Technical Specifications
Management
l Standard ISDN SNMP MIB supported
Network Interface
l 3 DS0 mode: Uses 3 contiguous DS0 channels per ISDN BRI channel on T1
Network Standards
l Telcordia TR-NWT-000397 (1993)
l Telcordia TR-TSY-000821 (1991)
l Telcordia TR-TSY-000829 (1989)
l ANSI T1.601.1992
l ITU-T Q.920, Q.921
Clocking
l Loop timing derived from Channel 1 of ISDN BRI card or any Axxius 800 T1
line
Testing & Diagnostics
l Initiates 2B+D, B1, or B2 loopbacks toward the BRI at the NT1
l Performs self test at power up
l 3 DS0 mode: supports external loopback testing via EOC messages from the
switch
Product Supports
l TR-821 alarms
l TR-397/TR-829/TR-821 Generic Segmented Performance Monitoring
l TR-829 multi-EOC messages in 3 DS0 mode
l Metallic DC test signature in Line Unit Network Terminal (LUNT) mode
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