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1.4 Specifications
Installation Manual 27
1.4 Specifications
1.4.1 General Description
Control Bus Original bus (16-bit, 8 MHz, 10 megabytes per second)
Communication Bus H.100 bus conformity (1024 time slot)
Switching Non-blocking
Power Input PSU-S 100 V AC to 130 V AC, 1.4 A/200 V AC to 240 V AC, 0.8 A,
50 Hz/60 Hz
PSU-M 100 V AC to 130 V AC, 2.5 A/200 V AC to 240 V AC, 1.4 A,
50 Hz/60 Hz
PSU-L 100 V AC to 130 V AC, 5.1 A/200 V AC to 240 V AC, 2.55 A,
50 Hz/60 Hz
External Battery +36 V DC (+12 V DC × 3, battery capacity of 28 Ah or below
recommended for each external battery)
Maximum Power Failure Tolerance 300 ms (without using backup batteries)
Memory Backup Duration 7 years
Dialling Trunk Dial Pulse (DP) 10 pps, 20 pps
Tone (DTMF) Dialling
Extension Dial Pulse (DP) 10 pps, 20 pps
Tone (DTMF) Dialling
Mode Conversion DP-DTMF, DTMF-DP
Ring Frequency 20 Hz/25 Hz (selectable)
Trunk Loop Limit 1600 Ω maximum
Operating
Environment
Temperature 0 °C to 40 °C
Humidity 10 % to 90 % (non-condensing)
Conference Call Trunk From 10 × 3-party conference call to 4 × 8-party conference
call
Music on Hold (MOH) 2 ports (Level Control: -11 dB to +11 dB in 1 dB steps)
MOH1: External Music Source port
MOH2: Selectable Internal/External Music Source port
Paging Internal Level Control: -15 dB to +6 dB in 3 dB steps
External 2 ports (Volume Control: -15 dB to +15 dB in 1 dB steps)
Serial Interface Port RS-232C 1 (maximum 115.2 kbps)
USB 1