GE Security 940 User Manual

Configuring the reader 25
The table below gives the maximum cabling distances between
the reader and the microcontroller for each of the three power
levels.
Note:
1 Reader supply voltage measured at microcontroller:
13.6V is nominal when line powered, 12V is nominal
when battery powered.
2 Not recommended for 12V, battery-backed installations.
3 All cable distances are typical maximums.
4 Readers powered by a local 12 VDC power supply will
have a maximum cable distance of 5,500 feet (1676 m) of
22-AWG telephone wire for all power level settings.
Table 3. Cable distances
Power
level
13.6 Volts (see Note 1) 12 Volts (see Note 1)
18 AWG 22 AWG 18 AWG 22 AWG
LOW 5500 ft
1676 m
2000 ft
610 m
3500 ft
1067 m
1500 ft
457 m
MEDIUM 2200 ft
671 m
900 ft
274 m
1100 ft
335 m
450 ft
137 m
HIGH 600 ft
183 m
250 ft
76 m
See Note 2 See Note 2

GE Security 940 Specifications

General

Brand	GE Security
Model	940
Category	Security System
Language	English