Product specifications
26 Issue 3, December 2003 61223006L1-5C
Table 8. T200 H2TU-C Specifications
Specification Description
Loop Interface
Modulation Type
Mode
Number of Pairs
Bit Rate
Baud Rate
Service Range
Loop Loss
Bridged Taps
Performance
H2TU-C Tx Pwr (Data) Level
H2TU-C Tx Pwr (Activation) Level
Input Impedance
Maximum Loop Resistance
Return Loss
16-TC PAM
Full Duplex, Partially Overlapped, Echo Canceling
1
1.552 Mbps
517.333 k baud
Defined by Carrier Service Area Guidelines
35 dB maximum @ 196 kHz
Single Taps < 2 kft, Total Taps < 2.5 kft
Compliant with T1.418-2000 (HDSL2 Standard)
16.8 +
0.5 dBm (0 to 450 kHz)
16.6 + 0.5 dBm (0 to 450 kHz)
135 ohm
900 ohms per span
12 dB (50 kHz to 200 kHz)
Network Interface
DSX-1 Output Level
DSX-1 Line Build Out
DS1 Line Coding
DS1 Framing Format
0 dB, –7.5 dB (default), –15 dB
0-133 feet (default);
133-266 feet ABAM; 266-399 feet ABAM
399-533 feet ABAM; 533-655 feet ABAM
AMI, B8ZS (default)
Auto, SF, ESF (default), Unframed
Power
Tested with the ADTRAN H2TU-R (1223026L1).
Total Power
H2TU-C Power Dissipation
Span Power
Fusing
–48 VDC @ 160 mA with H2TU-R
4.0 watts with H2TU-R
–190 VDC (Internally Generated) Class A2 compliant, current
limited at 150 mA
1.00 A (on-board; not field-replaceable)
Clock
Clock Sources
Internal Clock Accuracy
DSX-1 Derived (with HDSL2 frame bit stuffing)
± 25 ppm, (exceeds Stratum 4). Meets T1.101 timing
requirements.
Tests
Diagnostics Self-Test, Local Loopback (H2TU-C), Remote Loopback
(H2TU-R)
Physical
Dimensions
Weight
5.5 in. high x .7 in. wide x 6 in. deep
Less than 1 lb.
Environment
Temperature Operating (Standard): –40°C to +70°C;
Storage: –40°C to +85°C
Compliance
UL Listed; Bellcore NEBS Level 3 (SR-3580); FCC 47CFR Part 15, Class A
Part Number
T200 2-Wire HDSL2 Transceiver Unit for the Central Office 1223006L1