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3-2
Chapter 3
Specifications
Cable Requirements
EQUIPMENT CABLE AWG / mm MAX METRES
DIGITAL KEYSET 1 PR. TWISTED #24 / 0.5 400
ADD-ON MODULE 1 PR. TWISTED #24 / 0.5 400
SINGLE LINE STATION 1 PR. TWISTED #24 / 0.5 1000
DOOR PHONE 2 PR. TWISTED #24 / 0.5 100
*This is the maximum distance a door phone can be from the DPIM. The DPIM can be up to 300 cable
metres from the KSU. The total distance must not exceed 370 metres.
Reserve Power Duration Estimates (minutes)*
UPS CAPACITY IN VOLT AMPS (VA)
NO. OF PSUs
250 450 600 900 1250 2000
1 5 20 30 47 75 180
2 8 10 24 40 70
3 5 7 20 36 64
4 13 22 35
5 10 13 25
6 5 10 20
*These are approximate values. Specific UPS devices, due to their internal construction,
can have greater or lesser values.
BATTERY CAPACITY (AH)
NO. OF PSUs
40 80 120 160 200 240
1 20 X X X X X
2 10 20 X X X X
3 7 13 20 X X X
4 5 10 15 20 X X
5 4 8 12 16 20 X
6 3 7 10 13 16 20
*These are approximate values. Specific UPS devices, due to their internal construction,
can have greater or lesser values.
NOTE: X denotes that this system configuration cannot charge batteries of this capacity.