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HDSL Deployment Guidelines
61200610L2-1
The ADTRAN HDSL system is designed to provide DS1
based services over loops which comply with the following
CSA deployment guidelines:
•
All loops are nonloaded only.
•
For loops with 26 AWG cable, the maximum loop length
including bridged tap lengths is 9 kFt.
•
For loops with 24 AWG cable, the maximum loop length
including bridged tap lengths is 12 kFt.
•
Any single bridged tap is limited to 2 kFt.
•
Total bridges tap length is limited to 2.5 kFt.
•
The total length of multi-gauge cable containing 26 AWG
cable must not exceed the following:
26
12 - {(3*L
)/9] - L
26
L
= Total length of 26 AWG cable excluding Bri d ged Taps
BTAP
L
= Total length of all Bri d ged Taps
These deployment criteria are summarized in the chart
shown in Figure F-1.
TSU 610 User Manual
Appendix F. HDSL Deployment Guidelines
BTAP
(in kFt)
12
11
INVALID HDSL CABLE LENGTHS
10
9
2.5
2.0
8
1.5
7
6
5
4
3
2
VALID HDSL CABLE LENGTHS
1
0
0
1
2
3
4
WORKING LENGTH OF 26 GAUGE CABLE (KFT)
Figure F-1. HDSL Deployment Guidelines
TOTAL
BRIDGED
TAP
LENGTH
1.0
0.5
(KFT)
0.0
5
6
7
8
9
F-3
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