Specifications
DS1000 Hardware Manual Section 6: Specifications and Parts ◆ 6-3
6
Telephone 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
Trunk Voltages
Ringing voltage 42-103 VAC @ 20 Hz
Battery (from telco) 44-56 VDC
External Paging
Output Impedance: 600 Ohm
Output Level: 0 dBr @ 1.0 KHz
Mechanical Specifications
Equipment Width Depth Height Weight
Cabinet: 13 3/4” 2 1/2” 10 1/2” 4 lbs 1 oz
Non-display Keyset: 7 1/4” 9” 2 7/8” 1 1b 11 oz
Display Keyset: 7 1/4” 9” 2 7/8” 1 lb 12 oz
Super Display Keyset: 7 1/4” 9” 2 7/8” 2 lb
24-Button DSS Console 2 1/2” 9” 2 3/4” 9 oz
110-Button DSS Console: 7 7/8” 8 3/4” 2 3/4” 1 lb 6 oz
Analog Door Box: 3 3/4” 1” 5” 6 oz
2-OPX Module: 9 3/8” 7 3/8” 1 1/4” 3 lbs
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