
Hardware Descriptions
■Secondary lightning protection
■Same premises,
■Supports the
The distance limit for the
is 20,000 feet (6096 m). The distance limit for the 7101A and 7103A tele- phones is 15,200 feet (4633 m). The distance limit for the
■Ringer load of 3
■Supports simultaneous ringing on 8 ports.
The TN2215 allows ringing on four ports of each half of the circuit pack for a maximum of eight simultaneous ports ringing. A user attempting to ring one half of the circuit pack when all four ports are busy receives a busy tone.
TN791 — Guest Line (16-Port)
The TN791 analog line circuit pack (labeled Guest Line) is intended for use with analog telephone connections. The TN791 contains the circuitry to support many types of analog telephones, including most telephones used today in sites that have neon or LED message lamps. The TN791 has the following character- istics:
■16 ports
■Supports neon and LED Message Waiting indicators
■Feed voltage of
■Supports
■Supports queue warning level lamps and paging system circuits
■Supports hard bridging
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