ADC H2TU-C-231 Spécifications télécharger pdf (Page 52)

Control Port Operation HDSL2 for General Distribution Installation and Maintenance Practice

42 61223HDSL2L2-5B

General Information

The General Information screen (Figure 43), from the main Troubleshooting screen, provides

a summary of the deployment guidelines necessary to provision this HDSL2 circuit.

Figure 43. General Information Screen

Circuit ID:HNTSVLALHDSL2 03/01/05 09:29:45

Press ESC to return to previous menu

HDSL2 Loop Guidelines for optimum operation

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Non-loaded cable pair

Single bridge tap < 2Kft

Total bridge taps < 2.5Kft

Bridge tap within 1000ft of transceiver may affect performance.

Impulse noise < 50dBrnF (F filter)

Wideband noise < 31dBrnF (f filter)

Power influence <= 80 dBrnC

Longitudinal Balance >= 60dB (If using Wideband test at 196 Khz >= 40dB)

Foreign DC Voltage (t-r,t-g,r-g) < 3VDC

Loop Resistance <= 775 ohms

Margin >= 6 dB

Attenuation <= 28 dB

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ADC H2TU-C-231 Spécifications Page 52