Channel Bank
Backplane
Central Office
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| FNID | |
Loop 1 | 5 | 3 | Loop 1 | 7 | 5 |
| 6 | 4 |
| 13 | 15 |
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| DS1 |
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| 55 |
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| 49 |
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| Customer Premises |
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| 2B1Q |
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| 2B1Q |
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| 12 kft |
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| 12 kft |
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| 9 kft |
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| (max.) |
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| 12 |
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| Loop Insertion Loss Data | |
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(KFT) | 11 |
| INVALID HDSL CABLE LENGTHS |
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| Frequency (Hz) | Maximum Loss (dB) | |||||
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CABLE | 10 |
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| 3,000 | 12.0 |
9 |
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| TOTAL |
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| 10,000 | 15.0 | |
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| 50,000 | 25.5 | ||
COARSER) |
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| BRIDGED |
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| 2.5 |
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| TAP |
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| 100,000 | 30.0 | |||
| 8 |
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| 2.0 |
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| 1.5 |
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| 1.0 | 0.5 | (KFT) |
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| 150,000 | 32.75 |
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(OR | 7 |
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| 0.0 |
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| 200,000 | 35.25 |
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GAUGE | 6 |
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24 | 5 |
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| These approximations are to be used as guidelines | |
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| only and may vary slightly on different loops. Adhering | ||
OF | 4 |
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| to these guidelines should produce performance in | |||
LENGTH |
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3 |
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WORKING |
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2 | VALID HDSL CABLE LENGTHS |
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| ADTRAN Customer Service: | ||||||
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| 1 |
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| ADTRAN Telco Technical Support ............... (800) | ||||||
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| Standard support hours ................................ | ||
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| 0 |
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| 7 a.m. - 7 p.m. CST |
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| Emergency support ................... 7 days/week, 24 hours/day | ||
| 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | ||
WORKING LENGTH OF 26 GAUGE CABLE (KFT) |
| Sales | (800) | |||||
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| RMA (repair service) | (205) | |
| HDSL Loss Values |
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| Repair and Return Address: | ||||
(200 kHz cable loss in dB/kft at 135Ω) |
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| ADTRAN, Inc. |
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Cable | Cable | Temperature: |
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| Customer Service Department | ||||||
Gauge | Type | 68° | 90° | 120° |
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| 901 Explorer Boulevard | ||
26 | PIC | 3.902 | 4.051 | 4.253 | ||||
| Huntsville, Alabama |
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26 | Pulp | 4.030 | 4.179 | 4.381 |
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24 | PIC | 2.863 | 2.957 | 3.083 |
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24 | Pulp | 3.159 | 3.257 | 3.391 |
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22 | PIC | 2.198 | 2.255 | 2.333 |
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22 | Pulp | 2.483 | 2.45 | 2.629 |
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19 | PIC | 1.551 | 1.587 | 1.634 |
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19 | Pulp | 1.817 | 1.856 | 1.909 |
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2 |
| Section |
