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MorphoAccess® SIGMA Extreme Series - Installation Guide
Annex 1 : Finger Placement Recommendations
Identity & Security
2017_2000024418 - V1
April 2017
This document and the information therein are the property of
Safran Identity & Security
.
They must not be copied or communicated to a third party without the prior written authorization of Safran
13
Wiring Recommendations
Safran Identity & Security recommends using a gauge AWG20 for 12V power supply
when POE supply is not used.
The voltage specified is the one measured on the product block connector:
12V-24V (-15% / +10%).
For information, this table shows the maximum drop voltage observed on the terminal
MorphoAccess® SIGMA Extreme Series:
Gauge
AWG
Diameter
(mm)
Maximum drop
voltage @ 1m
(V)
Maximum drop
voltage @ 5m
(V)
Maximum drop
voltage @ 10m
(V)
20
0.81
0.03
0.17
0.33
22
0.64
0.05
0.26
0.53
24
0.51
0.08
0.42
0.84
Drop voltage = loss of power due to wire resistance and its length: V2 = V1 – Drop
voltage
V1
V2
L