1
Section 61104020L4-5, Issue 3
61104020L4-5C
1. GENERAL
This practice provides installation and maintenance
procedures for the ADTRAN D4 U-BR1TE V w/PWR
and DDS Loopbacks, P/N 1104020L4.
Figure 1
is an
illustration of the U-BR1TE V.
ISDN/DDS
The U-BR1TE employs features for both ISDN and
DDS transport. ISDN comprises the major
functionality and is described in this section. A
description of DDS functionality is located in
Section 3.
Revision History
Issue 3 of this document includes 2B leased mode
operation and revises the CLEI code.
Section 61104020L4-5C
Issue 3, May 2002
CLEI Code: D4C5BENB_ _
D4 U-BR1TE V w/PWR and DDS Loopbacks
ISDN 2B1Q Interface
Installation and Maintenance
Functional Description
The U-BR1TE V is a line card that plugs into a single
channel slot of an AT&T D4/SLC
®
-96 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. The U-BR1TE V
combines the functionality of a standard U-BR1TE V
and a U-Repeater Powering Module which will
simplify the installation of the U-Repeater. Span
powering also allows deployment of 2-wire DDS
when an IDSL OCU-R is used to terminate the ISDN
local loop. This eliminates the need to provide AC
power at the customer premises.
The U-BR1TE V is used at both the Central Office
Terminal and Remote Terminal locations. Clear
channel capability (B8ZS) is not required of the T1
facility if zero byte substitution is enabled. The
U-BR1TE V plugs into a single channel slot of the D4
bank, but can require three time slots when
transporting 2B+D information. Block error rate
performance over the T1 facility is monitored and is
available to the network.
CONTENTS
1.
GENERAL .................................................................. 1
2.
INSTALLATION ....................................................... 2
3.
TESTING .................................................................... 7
4.
MAINTENANCE ..................................................... 13
5.
WARRANTY AND CUSTOMER SERVICE ......... 14
FIGURES
Figure 1. ADTRAN U-BR1TE V ..................................... 1
Figure 2. Backplane Pin Assignments .............................. 3
Figure 3. Time Slot Assignments for 2B+D Service in
SLC Mode I w/ D1D Counting ......................... 3
Figure 4. Time Slots that CANNOT Contain BR1TE
Cards .................................................................. 4
Figure 5. SW1, SW3, and SW6 Labeling ......................... 4
Figure 6. Position Switch Settings at Network Locations
for ISDN Applications ...................................... 6
Figure 7. U-BR1TE V IDSL/DDS Circuit Diagram ...... 10
Figure 8. IDSL/DDS Loopback Response ..................... 11
Figure 9. ADTRAN U-BR1TE Bidirectional Loopback .. 12
Figure 10. IDSL/DDS Remote End Initiated Loopback,
Local Loop ...................................................... 12
Figure 11. IDSL/DDS Remote End Initiated Loopback,
Customer Loop ................................................ 12
Figure 12. IDSL/DDS Trouble Codes .............................. 13
Figure 13. DS0 Latching Loopback ................................. 14
TABLES
Table 1.
SW1, SW3, and SW6 Option Settings ............... 5
Table 2.
Rotary Switch Options ....................................... 7
Table 3.
LED Indication ................................................... 7
Figure 1. ADTRAN U-BR1TE V
LP
CR
ACT
TEST
ERR
(Rx)
L
O
G
I
C
OUT
(Tx)
IN
U-BR1TE
V
D4-UBR1PWR/DDS
1104020L4
B2
TEST
B1
PTRN
NORM
2
1
AD6
AD5
AD4
AD3
AD2
AD1
NT1
LPTX
CRTX
LPBK
SW1
SW2
SW4
SW5
SW3
SW6
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trademarks, registered trademarks, or trade names of their respective holders.
