Installation Manual
Technical specifications 27
Chapter 5
Technical specifications
Operating voltage 230 Vac -15% + 10% 50/60Hz
Max current draw on AC input 0.9 A @ 230Vac
Internal power supply output voltage 27.6 Vdc
Internal Power supply MAX current 4 A
Internal Power Supply Output ripple MAX 1%
Max current available for external load (Loop devices, external
loads, attachment boards, etc.)
2.8 A
Low Voltage range 18 ... 27.6 Vdc
Panel Current draw (motherboard+display)
- Standby 200mA
- from battery in the event of mains failure 120mA
- Maximum battery-charge current 1 A
Battery specifications 12 V @ 7 Ah or 12 V @ 17 Ah
(Brand and type) YUASHA
NP 7 -12 FR or NP 17 -12-FR or similar
Flame Class UL94-V2 or higher
Operating temperature From -5° to +40° C
Dimensions
(HWD) 48cm x 47cm x 13.5cm
Weight without battery
8 Kg
Attachment board current draw
SmartLoop/2L (2 Loop expansion board) stby: 20mA MAX:70mA
SmartLoop/INOUT (6 Input/Output expansion board) stby:40mA MAX:300mA
SmartLoop/NET (Token-ring network board) stby: 40mA MAX:40mA
SmartLoop/PSTN (PSTN dialler board) stby:20mA MAX:60mA
SmartLAN (Ethernet board) stby:200mA MAX:200mA
SmartLoop/LED (48 LED board) stby:40mA MAX:80mA
SmartLoop/PRN (On-panel Thermal printer) stby:0 MAX:1A
SmartLetUSee/LCD (Repeater) stby: 40mA MAX:50mA
SmartLetUSee/LED (Repeater LED expansion) stby: 5mA MAX:50mA
Absolute maximum ratings of terminals
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