700-712-100-01, Revision 01
Specifications
UTU-712 and ETU-762 List 1
May 10, 1999
9
S
PECIFICATIONS
HDSL Interface
Line Code
2B1Q
Line Rate (selectable in increments of 64 kbps)
Up to 768 kbps
Protection
K.20, K.21
Compliance
TS 101 135
Transmission Ranges (± 200 m):
Transmission Ranges with ETSI Noise
Transmission Ranges with No Noise
HDSL Line
Rate (kbps)
0.4 mm (26 AWG)
Single Twisted-Pair
Copper Wire
0.51 mm (24 AWG)
Single Twisted-Pair
Copper Wire
0.4 mm (26 AWG)
Single Twisted-Pair
Copper Wire
0.51 mm (24 AWG)
Single Twisted-Pair
Copper Wire
128
5.0 km (16,404 ft.)
6.3 km (20,669 ft.)
6.1 km (20,013 ft.)
8.5 km (27,887 ft.)
256
4.1 km (13,451 ft.)
5.1 km (16,732 ft.)
5.4 km (17,716 ft.)
7.1 km (23,293 ft.)
384
3.9 km (12,795 ft.)
4.7 km (15,420 ft.)
5.2 km (17,060 ft.)
6.7 km (21,982 ft.)
512
3.5 km (11,483 ft.)
4.5 km (14,764 ft.)
4.6 km (15,092 ft.)
6.3 km (20,669 ft.)
768
3.2 km (10,499 ft.)
4.2 km (13,779 ft.)
4.3 km (14,108 ft.)
5.9 km (19,357 ft.)
Nx64k Serial Data Interface
Type
V.35,V.36, X.21, or RS-530 (RS-449)
Fractional
Nx64 kbps (where N equals 1 to 8)
Maximum Rate
768 kbps
Control Signals
Request to Send (RTS)
Data Terminal Ready (DTR)
Local Loopback (LL)
Remote Loopback (RL)
Clear to Send (CTS)
Data Set Ready (DSR)
Received Line Signal Detector (RLSD)
Test mode (TM)
Compliance
NET 2
Timing
Clock Source
Nx64k data port input clock, HDSL recovered clock, Internal
Oscillator
Internal Oscillator
2.048 MHz ± 50 ppm
Performance Monitoring and Diagnostics
HDSL
Noise margin, pulse attenuation, ES, UAS
Major Alarm Relay (UTU-712 only)
Form-C relay contacts (NO, NC, C). Fail-safe operation
Loopbacks
Local interface loopback, local HDSL loopback, remote loopback
