Carrier Access Network Device Axxius 800 ユーザーズマニュアル

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Axxius 800 - Release 2.2
9-3
ISDN BRI Card
Features
Features
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Enables carriers to economically bundle ISDN with all other services at 64 Kbps 
or 128 Kbps over T1 access lines
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Configurable as either Line Unit Line Terminal (LULT) for interfacing to ISDN 
switch interfaces at the central office, or Line Unit Network Terminal (LUNT) 
for customer premises deployment
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Provides direct NTU service demarcation for ISDN video conferencing, 128 
Kbps dial-up Internet, point-of-sale terminals, and ISDN Centrex or telephone 
applications
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Enables high service density with up to 56 ISDN BRI lines from 7 T1 lines in a 
single Axxius 800 chassis, occupying two RU of equipment space (19-inch rack)
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Offers solid-state fuseless protection for central office NEBS compliance and 
customer premises FCC and UL safety requirements
Technical Specifications
Controller Software Required
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Release 1.1 or higher is required for the ISDN BRI service card
Product Includes
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Works with all standard Carrier Serving Area (CSA) loops - maximum 18,000 ft. 
range (#26 AWG copper)
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Supports standard Telcordia 3-DS0 mode
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Line coding: 2B1Q
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Line Rate: 160 Kbps (80 kbaud)
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Front-panel multi-function LEDs provide out-of-Service, LOS/Self-test fail, 
ES/SES detected, Sync, Loopback, and Normal indications
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Interoperable with other standards-based ISDN BRI equipment
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B1, B2, and 2B+D payload loopbacks supported
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Maximum bridged tap length is 2.5 kft. (762 m)
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Rear-accessed U-interface connections