1.3 Specifications
Installation Manual
17
1.3
Specifications
1.3.1
General Description
Control Bus
Original bus (16-bit, 24 MHz)
Switching
Space Division CMOS Crosspoint Switch
Power Input
100 V AC to 240 V AC, 0.8A to 0.4A, 50 Hz/60 Hz
External Battery
+24 V DC (+12 V DC × 2)
Maximum Power Failure Tolerance
300 ms (without using backup batteries)
Memory Backup Duration
7 years
Dialling
Outside (CO) Line
Pulse (10 pps, 20 pps) or Tone (DTMF)
Extension
Pulse (10 pps, 20 pps) or Tone (DTMF)
Intercom Path
3
Mode Conversion
Pulse-DTMF
Ring Frequency
20 Hz/25 Hz (selectable)
Operating
Environment
Temperature
0
to 40
Humidity
10 % to 90 % (non-condensing)
Conference Call Outside (CO) Line
2
Music on Hold (MOH)
1 port
Selectable MOH: Internal/External/Tone
Paging
Internal
1
External
1 port
Serial Interface Port
RS-232C
1
USB 1.1
1
Extension Connection Cable
SLT
1-pair wire (T, R)
PT
2-pair wire (T, R, H, L)
DSS Console
1-pair wire (H, L)
Dimensions
249 mm (W) × 316 mm (H) × 73 mm (D)
Weight (when fully expanded)
Approx. 1.8 kg
˚C
˚C