Section 4: Specifications and Parts List
DS1000/2000 Product Description Section 4: Specifications and Parts List ◆ 127
4
Electrical Specifications
The following specifications apply to each power supply installed.
• Power Supply: 120 VAC+ -10% @ 50-60 Hz
• Output Power: DS2000: 91 Watts @ 100% full load
DS1000: 35 Watts @ 100% full load
• Input Current: DS2000: 1.50A @ 110 V
DS1000: 550mA @ 110 V
• VA: DS2000:165
DS1000: 66
• Kwh: DS2000: 0.165
DS1000: 0.066
• BTU: DS2000: 563
DS1000: 225
• Grounding Requirements: 12 AWG copper wire
Telephone and Trunk Voltages
Keyset Voltages
DC voltage measured at the MDF
(between tip and ring):
Minimum: 36 VDC
Maximum: 44 VDC
Minimum operating DC voltage measured
at station jack (between tip and ring)
:
24 VDC
Single Line Telephone Voltages
DC voltage measured at the MDF
(between tip and ring):
Minimum: 36 VDC
Maximum: 44 VDC
Off-hook voltage: 6.5 VDC (typical – depending on telephone type
and loop length)
Ringing voltage: 50-70 VAC, sine wave
High Voltage Message Waiting: DS2000: 150 VDC
DS1000: N/A
Trunk Voltages
Ringing voltage: 42-103 VAC @ 20 Hz
Battery (from telco): 44-56 VDC