PRACTICES
Contents
1. General ................................................................................ 1
2. Installation ........................................................................... 3
3. Installation of FT1 Repeaters in ADTRAN
Apparatus Cases .................................................................. 3
4. Maintenance ........................................................................ 4
6. Specifications ...................................................................... 6
Figures
Figure A-1. FT1 Loopbacks ................................................ A-1
Figure A-2. FT1 DP Network Loopback ............................ A-1
Figure A-3. FT1 DP CPE Loopback ................................... A-1
Tables
Table A.
LED Indications .................................................... 3
Table B.
FT1 Repeater Apparatus Cases ............................. 3
Table C.
Loop Insertion Loss Data ..................................... 4
Table D.
HDSL FT1 Repeater Unit Specifications ............. 6
1. GENERAL
This practice provides installation and maintenance
procedures for the ADTRAN Single-Wide
Fractional T1 (FT1) Repeater, (ADTRAN P/N
1245211L1), illustrated in Figure 1.
The ADTRAN Single-Wide FT1 Repeater is a
device used to extend the effective range of an
ADTRAN FT1 circuit. It is capable of doubling the
deployment range of standard HDSL, providing a
carrier service area (CSA) compliant loop on both
sides of the Single-Wide FT1 Repeater.
61245211L1-5A
Trademarks: Any brand names and product names included in this document are
trademarks, registered trademarks, or trade names of their respective holders.
C A U T I O N !
SUBJECT TO ELECTROSTATIC DAMAGE
OR DECREASE IN RELIABILITY.
HANDLING PRECAUTIONS REQUIRED.
SINGLE-WIDE FT1 REPEATER
INSTALLATION/MAINTENANCE
CLEI Code # T1R6GMJDAA
1
GND
2
NC
3
T
CUSTOMER
LOOP 1
4
R
5
T
NETWORK
6
R
LOOP 1
7
NC
8
NC
9
NC
10
GND
11
NC
NC
12
Figure 1. ADTRAN Single-Wide FT1 Repeater
Features of the Single-Wide FT1 Repeater include:
• 2B1Q line coding
• Range up to 12 kft of 24-gauge wire each direction
from FT1 Repeater
• Lightning protection
• Remote loopback control
• Coexists with DDS and ISDN repeaters in same
apparatus case
• Remote performance monitoring capability
This unit is used in conjunction with any span
powering FT1 DP for the central office and span
powered FNID remote end as follows:
Part Number
Unit Name
1245206L1 ........... Siemens FT1 DP
1245207L1 ........... Northern Telecom FT1 DP
1245208L1 ........... ALCATEL FT1 DP
1245205L1 ........... WECO D4 FT1 DP
1245201L1 ........... FNID (T400)
1242046L2 ........... Siemens FT1 DP
1242047L2 ........... Northern Telecom FT1 DP
1242048L2 ........... Alcatel FT1 DP
1242040L2 ........... AT&T FT1 DP
1242041L2 ........... FNID (T400)
1242042L2 ........... FNID (standalone)
The ADTRAN Single-Wide FT1 Repeater provides
a means of extending the digital subscriber loop
serving range using a centrally-located unit. There
are no manual option settings on the Single-Wide
FT1 Repeater.
Section 61245211L1-5
Issue 1, December 1998
1
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