Section 61223424L2-5A
Issue 1, December 2003
CLEI Code: T1L497PC_ _
61223424L2-5A 1
Trademarks: Any brand names and product names included in this document are
trademarks, registered trademarks, or trade names of their respective holders.
CONTENTS
1. General...................................................................................... 1
2. Installation ................................................................................ 2
3. Connections .............................................................................. 5
4. HDSL4 System Testing ............................................................ 5
5. Front Panel Operation............................................................... 7
6. Control Port Operation.............................................................. 7
7. HDSL4 Deployment Guidelines............................................. 18
8. Maintenance............................................................................ 23
9. Specifications.......................................................................... 23
10. Warranty and Customer Service ............................................. 23
Appendix A. HDSL4 Loopbacks.............................................. A-1
TABLES
Table 1. ADTRAN Unit Compatability........................................ 1
Table 2. H2TU-R Enclosure Compatibility.................................. 2
Table 3. Compliance Codes .......................................................... 2
Table 4. Front Panel Indicators..................................................... 3
Table 5. Provisioning Options ...................................................... 4
Table 6. Attenuation limits ......................................................... 18
Table 7. Range Limits: 26 Gauge / 70°F / PIC.......................... 18
Table 8. Range Limits: 24 Gauge / 70°F / PIC.......................... 18
Table 9. Single Pair DC Resistance Value.................................. 19
Table 10. HDSL4 Insertion Loss Values ...................................... 22
Table 11. Single Span and First Segment of Repeatered Loop .... 22
Table 12. Second or Third Segment of Repeatered Loop............. 22
Table 13. Troubleshooting Guide ................................................. 23
Table 14. HDSL4 T200 H4TU-R Specifications.......................... 24
Table A-1. HDSL4 Loopback Control Codes............................ A-2
Table A-2. Loopback Control Codes......................................... A-3
1. GENERAL
The ADTRAN 4-wire T200 HDSL4 transceiver unit for
the remote end (H4TU-R), P/N 1223424L2, is a
network terminating unit used to deploy an HDSL4 T1
circuit using 4-wire metallic facilities. See Figure 1.
This version of the H4TU-R works with multiple list
versions of the HDSL4 transceiver unit for the central
office (H4TU-C) and repeater (H4R) as listed in
Table 1.
Revision History
This is the initial release of this document. Future
revisions to this document will be explained in this
subsection.
Figure 1. ADTRAN HDSL4 T200 H4TU-R
NOTE: x = any generic release number
Table 1. ADTRAN Unit Compatability
Unit Number Description
122x401L1 or L2 220 H4TU-C
122x403L1 or L2 DDM+ H4TU-C
122x404L1 or L2 3192 H4TU-R
118141xL1 Total Access H4TU-C
122x441L1 T200 H4R
122x445L1 239 H4R
TX
R
REM
LOC
LBK
1223424L2
LOCAL
DSL 1
DSL 2
DS1
ALM
(GRN)
SF
(YEL)
ESF/
(GRN)
AMI
(YEL)
B8ZS
/
(GRN)
RLB
(YEL)
LLB
/
RX
M
O
N
TX
R
S
2
3
2
HDSL4 T200 H4TU-R
Installation and Maintenance Practice
