Software House iSTAR Pro 4U User Manual

Cable Distances and Power
32
CABLE DISTANCES
AND POWER
Following are maximum cable distances when supplying power to RM-4 and
RM-4E Readers from the 4U Rack Mount.
RM-4 Readers
RM-4E Readers
TABLE 11. Power for RM-4
Power from
Door
Connectors to
RM-4
Wire Size
Max cable
distance (ft.) for
RM-4 Only
Max cable
distance (ft.) for
RM-4 with LCD
Max cable
distance (ft.) for
RM-4 with LCD
and Read Head
24 AWG
690 390 300
22 AWG
1095 620 470
20 AWG
1740 985 740
18 AWG
2765 1565 1200
TABLE 12. Power for RM-4E
Power from
Door
Connectors to
RM-4E
Wire Size
Max cable
distance (ft.) for
RM-4E only
Max cable
distance (ft.) for
RM-4E with LCD
Max cable
distance (ft.) for
RM-4E with LCD
and Read Head
24 AWG
800 350 150
22 AWG
1270 560 240
20 AWG
2015 890 380
18 AWG
3200 1410 600
TABLE 13. Wire Size and Ohms Per Foot
Wire Size Ohms per Foot
24 AWG
0.02567
22 AWG
0.01614
20 AWG
0.01015
18 AWG
0.00639

Software House iSTAR Pro 4U Specifications

General

Brand	Software House
Model	iSTAR Pro 4U
Category	Racks & Stands
Language	English