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DS1000/2000 Correspondence Course
Station Equipment
NEC America
DS1000/2000 Workbook
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11
Door Box, Analog (P/N 92245)
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On the DS1000 system only,
the maximum per expanded
system is two. When not
using the expansion card,
only one is permitted.
●
Connects to modular jacks in
the cabinet.
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A weather-tight unit, with an
operating temperature range
of -20 to 60 degrees C (4 to
140 degrees F) and a relative
humidity of 10-95%, non-
condensing.
Door Box, Digital (P/N 80560)
●
Maximum per system is lim-
ited by the system load factor
●
Uses one digital station port,
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A weather-tight unit, with an
operating temperature range
of 0 to 45 degrees C (32 to
113 degrees F) and a relative
humidity of 10-95%, non-
condensing. It is not intended
for outdoor installation.