About Hotwire 8775 and 8785
Termination Units
TDM SDSL Overview
Hotwire
SDSL) products maximize customer service areas by varying the DSL line rate.
This ensures symmetric DSL connectivity over a wide range of telephone line
distances and transmission line qualities.
Hotwire TDM SDSL products support router, multiplexer and PBX connections
with maximum loop reaches, as shown in
Table 1-1.
Hotwire 8775 and 8785 Termination Units are equipped with an automatic
configuration capability that reduces the installation process to a simple
plug-and-play mode. Simply connecting the units to the line automatically
configures the customer for the maximum data rate supported by the local loop.
Units can also be configured at fixed line speeds to achieve maximum distances.
8700-A2-GB25-10
®
Time Division Multiplexer Symmetric Digital Subscriber Line (TDM
Maximum Loop Reach
Model
8775 (over 2-wire loop)
8785 (over 4-wire loop)
February 2001
Table 1-1, Maximum Loop
Transmission Rate
128 kbps
8.8 km (29,000 ft)
10.7 km (35,000 ft)
1
Reach.
2.048 Mbps
4.5 km (14,700 ft)
6.0 km (19,600 ft)
1-1