Specifications; Table 15. 220 Htu-C Specifications - ADTRAN 220 HTU-C Installation And Maintenance Practice

HDSL 220 Transceiver Unit for Central Office Installation and Maintenance Practice

SPECIFICATIONS

The 220 HTU-C specifications are detailed in
Specification
34

Table 15. 220 HTU-C Specifications

Loop Interface:
Modulation Type:
Mode:
Number of Pairs:
Bit Rate:
Baud Rate:
Service Range:
Loop Loss:
Bridged Taps:
Performance:
HDSL Tx Signal Level:
Input Impedance:
Return Loss:
Network Interface:
4-WIRE DSX-1
DSX-1 Output Level:
DSX-1 Line Build Out:
DSX-1 Line Code:
DSX-1 Format:
DSX-1 Channelization:
Table 15.
2B1Q
Full Duplex;
Echo Cancelling
Two
784 kbps per pair
392 k baud per pair
Defined by CSA Guidelines
35 dB maximum at 196 kHz
Single Taps < 2000 feet;
Total Taps < 2500 feet
Compliant with Bellcore TA-NWT-001210
13.5 dBm
135 Ω
20 dB (40 kHz to 200 kHz)
0 dB
EXT (default);
0–133 feet ABAM;
134–266 feet ABAM;
267–399 feet ABAM;
400–533 feet ABAM;
534–655 feet ABAM;
AMI
B8ZS
SF;
ESF;
Unframed
Channels 1–12 on HDSL Loop 1;
Channels 13–24 on HDSL Loop 2
Description
61247001L1-5A