ADTRAN Network Card TR NWT 000829 User Manual

SLC-5 U-BR1TE  
I S D N R a n g e E x t e n s i o n  
The ADTRAN SLC-5 U-BR1TE is an ISDN range extension product for  
delivering Basic Rate ISDN to remote locations across SLC Series 5 Digital  
Loop Carrier (DLC) systems. In addition, the U-BR1TE will operate in SLC  
Series 2000 DLC configured for SLC Mode 1 operation. The SLC-5 U-BR1TE  
provides a standard U-interface that operates at 160 kbps full-duplex over  
a single twisted pair. The U-interface converts to a three DS0 format,  
allowing transportation of 2B+D data as well as end-to-end maintenance,  
per-  
formance, and test information. The ADTRAN SLC-5 U-BR1TE operates in  
both Central Office Terminals (COT) and the Remote Terminals (RT); con-  
forms to applicable standards and requirements; and performs all Layer 1  
maintenance and performance monitoring functions per TR-NWT-00397  
and TR-NWT-000829. The SLC-5 U-BR1TE provides a distinctive metallic  
DC test signature for identifying the LT or NT operating mode and is com-  
patible with the Metallic Loop Test (MLT).  
P R O D U C T F E A T U R E S  
Conforms to ANSI T1.601-1992  
Built in NULL function  
Compatible with AT&T SLC®  
Series 5 COT and RT channel  
banks  
Basic Rate up to 2B+D service  
The SLC-5 U-BR1TE occupies one physical slot in a SLC-5 channel bank.  
To deliver 2B+D service, the SLC-5 U-BR1TE uses the DS0 time slots  
associated with the occupied physical slot and the required remaining  
time slots of the adjacent physical slot. SLC-T U-BR1TE provides a NULL  
function which allows an older SLC-5 channel bank to provide 2B+D ISDN  
without upgrading the common equipment. The SLC-5 U-BR1TE meets the  
1s density requirements of the T1 carrier system through zero byte substi-  
tution and associated flags in the D channel DS0 time slot as specified in  
TR-NWT-000397.  
Three DS0 format per  
TR-NWT-000397  
T1 facility performance  
monitoring per TR-NWT-00397  
and TR-NWT-000829  
Loop and carrier status LEDs  
Optional sealing current  
Maintenance, testing, and status information is displayed on the front  
panel. An RJ-45 jack provides DS0 access to B1 and B2 for testing with  
standard digital test sets. The rotary Address Select Knob along with a DS0  
test set allows for local B1 or B2 loopback test access of up to six ISDN net-  
work addresses and the NT1 in the network-to-customer direction. The CR  
and LP indicators provide instantaneous synchronization and loopback  
status for the T1 carrier facility (CR) and the U-interface (LP) and the status  
of the Layer 1 activation is provided with ACT indicator. The ADTRAN  
SLC-5 responds to network initiated mp-eoc commands including B1, B2,  
and 2B+D loopbacks.  
18,000 feet nominal range,  
mixed gauge  
Compatible with AT&T SLC Series  
2000, SLC Mode 1 operation  
Standard 10 year warranty  
 

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