HDSL T200 HTU-R, Span Powered, 60 mA Installation and Maintenance Practice
34
61247026L1-5A
SPECIFICATIONS
Specifications for the T200 HTU-R, SP/60 mA are detailed in
.
Table 16. T200 HTU-R, SP/60 mA Specifications
Specification
Description
Loop Interface
Modulation Type:
Mode:
Number of Pairs:
Bit Rate:
Baud Rate:
Service Range:
Loop Loss:
Bridged Taps:
Performance:
Return Loss:
HDSL Tx Signal Level:
Input Impedance:
DS1 Channelization:
2B1Q
Full Duplex;
Echo Cancelling
Two
784 kbps per pair
392K baud per pair
Defined by Carrier Service Area Guidelines
36 dB maximum at 200 kHz
Single taps < 2kFt;
Total taps < 2.5 kFt
Compliant with Bellcore TA-NWT-001210
20 dB (40 kHz to 200 kHz)
13.5 dBm
135
Ω
Channels 1-12 on HDSL Loop 1;
Channels 13-24 on HDSL loop 2
Customer Interface
4-wire DS1 (T1.403-compatible) (ITU-T I.431 compliant)
DS1 Signal Output Level:
DS1 Signal Input Level:
DS1 Line Coding:
DS1 Framing format:
0 or –15 dB
0 to –22.5 dB
AMI, B8ZS
SF, ESF, Unframed
Power
Span-powered by HTU-C
Clock Sources
Clock Sources:
Internal Clock Accuracy:
Internal;
HDSL Loop Derived
±25 ppm (exceeds Stratum 4).
Meets T1.101 timing requirements.
