Polycom MLC-model Telephone User Manual


 
Specifications
A
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4
CONTACT
CLOSURE Adjunct
Jack Specifications
Operates up to 150 feet (45.72 meters) from control unit using 24 gauge solid
conductor wire if 2 Contact Closures used; up to 800 feet (243.84 meters) from
control unit using 24 gauge solid conductor wire if only 1 Contact Closure used
Install the Contact Closure Adjunct in the same building as the control unit; cannot
be installed out-of-doors
Has three terminals per Contact Closure, providing a normally open and normally
closed function for each Contact Closure
Maximum contact voltages and current:
— 30 VAC, 1 Amp
— 50 VDC, 1 Amp
SMDR Output
Format
1200 baud
8 data bits
XON/XOFF protocol
Line feeds
No parity
2 stop bits
Carriage return
Environmental
Requirements-
Control Unit
Mount on a wall at least 2 feet (0.6 meters) from the floor (wall mounting required)
Locate within 5 feet (1.5 meters) of the network interface jacks and a properly
grounded electrical outlet not controlled by a switch, using supplied 7-foot
(2.1-meter) cords
Operating temperature 32° to + 104°F (0° to + 40°C), not in direct sunlight
Humidity 15%-90%, noncondensing
For proper ventilation and easy replacement of modules, provide the following
minimum clearance around the control unit:
— 5-Slot carrier:
1 foot (0.3 meter) clearance at the top and sides and 2 feet (0.6
meter) at the front and bottom
— 2-Slot carrier or Stand-alone ACS processor module:
1 foot (0.3 meter)
clearance at the front, top and right side, and 2 feet (0.6 meter) at the bottom and
left side
Locate in an area free of excess moisture, corrosive gases, dust, and chemicals
Electrical
Requirements-
Control Unit
U.S. and Canada: 90-264 VAC, 47-63 Hz, 3-prong outlet separate ground,
separately fused at 15 Amps
Other countries: 90-264 VAC (220 VAC fused at 10 Amps)
Grounding to comply with Underwriters Laboratories (UL) 1459:
A. An insulated grounding conductor that is not smaller in size and equivalent in
insulation material and thickness to the grounded and ungrounded branch circuit
supply conductors, except that it is green with or without one or more yellow
stripes, is to be installed as part of the circuit that supplies the product or system
B. The grounding conductor mentioned in item A is to be connected to ground at
the service equipment
C. The attachment-plug receptacles in the vicinity of the product or system are all
to be of a grounding type, and the grounding conductors serving these
receptacles are to be connected to earth ground at the service equipment