About HotWire Model 7925
Standalone Termination Units
HotWire 7925 Models and Features
Products in the HotWire 7925 family provide "last mile/last kilometer" transport of
E1-compatible circuits between customer facilities and central site equipment
over 2- or 4-wire copper lines. The units can be used over distances substantially
exceeding traditional E1 spans and ETSI loop standards.
HotWire 7925 standard features include:
HotWire 7925 may be ordered either as a standalone unit (7925-A1-xxx) or as a
nest-mounted card (7925-B1-xxx) that fits in a HotWire 7900 nest. This guide
describes the installation and maintenance procedures for the standalone
version, Model 7925-A1-xxx. See
Guide for information on manuals for the nest and nest-mounted cards.
7925-A2-GB20-30
PRELIMINARY DRAFT
V.35 or G.703 interface
Meeting the requirements of repeaterless E1 transmission on loops
exceeding standard specifications
Automatic detection and compensation for inverted pairs and swapped
loops – significantly simplifies installation
Tolerating bridged tap
Local and remote alarm surveillance and performance monitoring
June 1997
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