Normal Operating Ranges - Nortel Meridian 1 Manual

Normal operating ranges

The normal operating range for SL-1 telephones, with and
Telephones
without add-on modules, is 189 ¾ or 6000 cable feet (1830 m), whichever is
reached first. For example:
22 AWG wire range = 6000 feet (1830 m)
24 AWG wire range = 3700 feet (1125 m)
26 AWG wire range = 2300 feet (700 m)
The outside plant cable must not exceed 1 ¾ per mile, or 189 ¾ per
6000 kilometers.
SL-1 telephones equipped with a QKK1 extension kit have a maximum range
of 8000 feet (2440 m). For example:
22 AWG wire range = 8000 feet (2440 m)
24 AWG wire range = 5500 feet (1675 m)
26 AWG wire range = 3690 feet (1125 m)
The outside plant cable must not exceed 0.085 ¾ per mile, or 189 ¾ per
6000 kilometers.
Note: The 24 V and 15 V supplies can be obtained from the QUT1
centralized power supply located at the cross-connect terminal. A
separate fuse must be used for each set.
Meridian Modular Telephones have a maximum permissible loop length of
3500 ft (915 m), assuming 24 AWG (0.5 mm) wire with no bridge taps. A
15.5 dB loss at 256 kHz defines the loop length limit.
Wiring installation
Telephone and attendant console installation
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