Cellular network providers must lease large numbers of E1 circuits in order to
connect remote cell sites to mobile telephone switching offices (MTSOs).
HotWire Model 7925 products provide an alternative to standard repeatered E1
services. Figure 1-3 depicts a typical cellular network access application.
Figure 1-3. Cellular Network Access
User Interface Types
There are three types of user interfaces to the standalone units:
7925-A2-GB20-30
PRELIMINARY DRAFT
About HotWire Model 7925 Standalone Termination Units
VT100-compatible terminal interface (Terminal Mode, see
Manual setting of switches and jumpers (Switchpack Mode, see
Front Panel LED status indicators (see
June 1997
Chapter 3)
Chapter 6)
Chapter 3)
1-5