700-701-100-02

Specifications

 

 

SPECIFICATIONS

HDSL Interface

Line 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

 

 

 

 

 

HDSL Line

0.4 mm (26 AWG)

0.51 mm (24 AWG)

0.4 mm (26 AWG)

0.51 mm (24 AWG)

Single Twisted-Pair

Single Twisted-Pair

Single Twisted-Pair

Single Twisted-Pair

Rate (kbps)

Copper Wire

Copper Wire

Copper Wire

Copper Wire

 

 

 

 

 

 

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.)

 

 

 

 

 

G.703 Interface

Unstructured Leased Line

2.048 Mbps per ETS 300 247 (D2048U)

Structured Leased Line

2.048 Mbps per ETS 300 419 (D2048S)

Fractional E1

User-selectable DS0 blocking, with user-programmable idle code

Line Code

HDB3

Line Rate

2.048 Mbps

Impedance (jumper selectable)

120 Ω balanced (twisted-pair)

 

75 Ω unbalanced (coax)

CRC-4 mode

User-selectable CRC-4 detection and generation

Compliance

ITU-T G.703, G.704, G.706, G.821, G.823, CTR 12

Timing

 

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. CRC-4 errored seconds, BPV seconds

Major Alarm Relay

Form-C relay contacts (NO, NC, C). Fail-safe operation

Loopbacks

Local interface loopback, local HDSL loopback (V.54 loop 3),

 

remote loopback (V.54 loop 2)

UTU-701 and ETU-751 List 1

August 9, 2002

9