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APPENDIX B
1090 CABLE RECOMMENDATIONS
The Patton Model 1090 operates at frequencies of 160 kHz or less and
has been performance tested by Patton technicians using twisted-pair
cable with the following characteristics:
Wire Gauge Capacitance Resistance
19 AWG 83nF/mi or 15.72 pF/ft. .0163 Ohms/ft.
22 AWG 83nF/mi or 15.72 pF/ft. .0326 Ohms/ft.
24 AWG 83nF/mi or 15.72 pF/ft. .05165 Ohms/ft.
26 AWG 83nF/mi or 15.72 pF/ft. .08347 Ohms/ft.
To gain optimum performance from the Model 1090 Series, please
keep the following guidelines in mind:
• Always use twisted pair wire—this is not an option.
• Use twisted pair wire with a capacitance of 20pF/ft or less.
• Avoid twisted pair wire thinner than 26 AWG (i.e. avoid higher
AWG numbers than 26).
• Use of twisted pair with a resistance greater than the above
specifications may cause a reduction in maximum distance
obtainable. Functionality should not be affected.
• Many environmental factors can affect the maximum distances
obtainable at a particular site. Use the data rate/distance table
(below) as a general guideline only.
19
APPENDIX C
1090 FACTORY REPLACEMENT PARTS
AND ACCESSORIES
Patton Model # Description
0805US ...........................American Power Cord
0805EUR.........................European Power Cord CEE 7
0805UK ...........................United Kingdom Power Cord
0805AUS.........................Australia/New Zealand Power Cord
0805DEN.........................Denmark Power Cord
0805FR............................France/Belgium Power Cord
0805IN.............................India Power Cord
0805IS.............................Israel Power Cord
0805JAP..........................Japan Power Cord
0805SW...........................Switzerland Power Cord
07M1090SVC..................Service Manual
20
22G
(0.64mm)
24G
(0.5 mm)
26G
(0.4 mm)
19G
( 0.9 mm)
160 8.14 5.87 4.07 3.03
144 8.52 6.06 4.36 3.13
128 9.00 6.16 4.64 3.22
112 9.19 6.25 4.83 3.22
80 9.19 6.44 5.21 3.22
72 10.80 6.63 5.49 3.41
64 10.98 6.82 5.49 3.41
56 11.08 6.82 5.49 3.41
48 10.80 6.63 5.40 3.31
Data Rate
(kbps)
Model 1090 Distance Table in Miles
Wire Gauge