
Specifications | |
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SPECIFICATIONS
HDSL InterfaceLine Code | 2B1Q |
Line Rate (selectable in increments of 64 kbps) | Up to 2048 kbps |
Protection | K.20, K.21 |
Compliance | TS 101 135 |
Transmission Ranges (± 200 m):
| Transmission Ranges with 0 dB ETSI Noise | Transmission Ranges with No Noise | |||
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HDSL Line | 0.4 mm (26 AWG) | 0.51 mm (24 AWG) | 0.4 mm (26 AWG) | 0.51 mm (24 AWG) | |
Single | Single | Single | Single | ||
Rate (kbps) | |||||
Copper Wire | Copper Wire | Copper Wire | Copper Wire | ||
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256 | 4.1 km (13,451 ft.) | 5.1 km (16,730 ft.) | 5.3 km (17,388 ft.) | 7.1 km (23,294 ft.) | |
384 | 3.6 km (11,811 ft.) | 4.7 km (15,420 ft.) | 4.7 km (15,420 ft.) | 6.7 km (21,982 ft.) | |
512 | 3.4 km (11,155 ft.) | 4.5 km (14,760 ft.) | 4.6 km (15,092 ft.) | 6.3 km (20,669 ft.) | |
768 | 3.0 km (9,842 ft.) | 4.2 km (13,779 ft.) | 4.3 km (14,108 ft.) | 5.9 km (19,357 ft.) | |
1152 | 2.6 km (8,530 ft.) | 3.4 km (11,155 ft.) | 3.7 km (12,139 ft.) | 5.3 km (17,388 ft.) | |
1536 | 2.2 km (7,218 ft.) | 2.9 km (9,515 ft.) | 3.3 km (10,827 ft.) | 4.7 km (15,420 ft.) | |
2048 | 2.0 km (6,562 ft.) | 2.4 km (7,874 ft.) | 3.0 km (9,842 ft.) | 3.2 km (10,499 ft.) | |
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Unstructured Leased Line | 2.048 Mbps per ETS 300 247 (D2048U) |
Structured Leased Line | 2.048 Mbps per ETS 300 419 (D2048S) |
Fractional E1 | |
Line Code | HDB3 |
Line Rate | 2.048 Mbps |
Impedance (jumper selectable) | 120 Ω balanced |
| 75 Ω unbalanced (coax) |
Compliance | |
Timing |
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Clock Source | G.703 input |
| External 2.048 MHz clock (per G.703 par. 10) |
Internal Oscillator | 2.048 MHz ± 50 ppm |
Performance Monitoring and Diagnostics | |
HDSL | Noise margin, pulse attenuation, ES, UAS |
G.703 Interface | ES, SES, UAS per G.821. |
Major Alarm Relay | |
Loopbacks | Local interface loopback, local HDSL loopback (V.54 loop 3), |
| remote loopback (V.54 loop 2) |
August 9, 2002 | 9 |