CONTENTS
1. GENERAL ............................................................1
3. TESTING ..............................................................7
FIGURES
Locations .....................................................9
TABLES
1. GENERAL
This practice provides installation and maintenance
procedures for the ADTRAN Total Access 750/850
/1500 U-BR1TE (P/N 1180020L1). Figure 1 is an
illustration of the U-BR1TE.
Revision History
This is the second release of this document. The
U-BR1TE menu tree, Interconnect Wiring table and
general product updates were added to this practice.
General Description
The U-BR1TE is a line card that plugs into a single
channel slot of a Total Access 750/850/1500 channel
bank. It provides an ISDN U-interface and allows the
transport of Basic Rate 2B+D information over T1
carriers and twisted pair wiring. Clear channel
capability (B8ZS) is not required of the T1 facility if
61180020L1-5B
®
Total Access
750/850/1500 U-BR1TE
Installation and Maintenance
61180020L1-5, Issue 2
Trademarks: Any brand names and product names included in this document are
trademarks, registered trademarks, or trade names of their respective holders.
S W 2
U B R
1 T E
1 1 8
0 0 2
0 L 1
Figure 1. ADTRAN U-BR1TE
zero byte substitution is enabled. Block error rate
performance over the T1 facility is monitored and is
available to the network.
Features
The features of the U-BR1TE (P/N 1180020L1)
include the following:
• ISDN 2B1Q interface that meets all Layer 1
requirements as specified in ANSI T1.601-1991
• 18 kft nominal range on mixed gauge wire
• Internal test pattern allows for testing of individual
B Channels without requiring external test
equipment
• Transportation of ISDN Basic Rate 2B+D
information over T1 facilities in the 3-DS0 format
specified in TR-NWT-000397
• All Layer 1 maintenance functions
• Performance monitoring of the Layer 1 facility
as specified in TR-NWT-000397 and
TR-TSY-000829
Section 61180020L1-5B
Issue 2, August 2002
CLEI Code: SIC2XY0K_ _
1