NEC DSX-40 - Page 72

Specifications
66 ◆ Specifications and Parts DSX-40 Hardware Manual
Music Inputs: 2
Conference Circuits: 32 Conference circuits dynamically allocated,
with 8 parties max per Conference. Conference
circuits provided on CPU.
8-Port Digital Station Card (Expansion) 2 max.
8-Port Analog Station Card (Expansion) 2 max.
4-Port Line Card with Built-In Caller ID
(Expansion)
1 max.
Power Requirements
A dedicated 110 VAC 60 Hz circuit located within 4 feet of the cabinet is required.
Environmental Requirements
Meeting established environmental standards maximizes the life of the system. Refer to the Stan-
dard Practices Manual for further information. Be sure that the site is not:
1. In direct sunlight or in hot, cold or humid places.
2. In dusty areas or in areas where sulfuric gases are produced.
3. In places where shocks or vibrations are frequent or strong.
4. In places where water or other fluids come in contact with the main equipment.
5. In areas near high-frequency machines or electric welders.
6. Near computers, telexes, microwaves, air conditioners, etc.
7. Near radio antennas (including shortwave).
Environmental Specifications
Cabinet and Key Telephones
Temperature:
Humidity:
0 to 40
o
C (32-104
o
F)
10 to 95% (non-condensing)
DSX Analog Door Box
The Analog Door Box is a weather-tight unit, with an operating temperature range of -20 to 60
degrees C (-4 to 140 degrees F) and a relative humidity range of 10-95%, non-condensing.
Temperature:
Humidity:
-20 to 60
o
C (-4 to 104
o
F)
10 to 95% (non-condensing)
DSX-40 System Capacities (Page 2 of 2)