Unit installation

61223026L2-5A Issue 1, November 2003 23
Table 10. ADTRAN T200 H2TU-R Specifications
Loop Interface
Modulation Type 16-TC PAM
Mode Full Duplex, Partially Overlapped, Echo Canceling
Number of Pairs One
Bit Rate 1.552 Mbps
Baud Rate 517.333 k baud
Service Range Defined by Carrier Service Area Guidelines
Loop Loss Refer to the HDSL2 Deployment Guidelines section for details
Bridged Taps Single Taps < 2 kft, Total Taps < 2.5 kft
Performance Compliant with T1.418-2000 (HDSL2 Standard)
H2TU-R Tx Power (Data) Level 16.8 +
0.5 dBm (0 to 450 kHz)
H2TU-R Tx Power (Activation) Level 16.6 + 0.5 dBm (0 to 450 kHz)
Input Impedance 135 ohms
Maximum Loop Resistance 900 ohms per span
Return Loss 12 dB (50 kHz to 200 kHz)
Customer Interface
DS1 (T1.403-compatible) (ITU-T I.431 compliant)
DS1 Signal Output Level 0 (default), –7.5 or –15 dB
DS1 Input Signal Level 0 to 22.5 dB
DS1 Line Coding AMI, B8ZS (default)
DS1 Framing Format SF, ESF (default), Unframed, Auto
Power
Span-powered by H2TU-R Maximum Heat Dissipation 3.0 W
Clock Sources
Clock Sources HDSL2 Loop Derived
Internal Clock Accuracy ± 25 ppm, (exceeds Stratum 4). Meets T1.101 timing
requirements.
Tests
Diagnostics Loopback (H2TU-R), initiated with HDSL2 in-band codes,
initiated with T1 NIU in-band codes, initiated with H2TU-C
command, initiated manually, H2TU-R control port.
Self-Test.
Physical
Dimensions 5.5 in. High, 0.7 in. Wide, 6.0 in. Deep
Weight < 1 pound
Environment
Temperature Operating (Standard): –40°C to +70°C; Storage: –40°C to +85°C
Relative Humidity Up to 95% noncondensing
Compliance
UL Listed
Bellcore NEBS Level 3 (SR-3580)
FCC 47CFR Part 15, Class A
Part Number
ADTRAN T200 H2TU-R 2-Wire HDSL (HDSL2) Remote Unit 1223026L2