Patton electronics 1006 User Manual page 7

Db-9 async. short range modem with carrier sense
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APPENDIX B
PATTON MODEL 1006 CABLE RECOMMENDATIONS
The Patton Model 1005 operates at frequencies of 20kHz or less
and has been performance tested by Patton technicians using twisted-
pair cable with the following characteristics:
Wire Gauge
Capacitance
19 AWG/.9mm
83nf/mi or 15.72 pf/ft.
22 AWG/.6mm
83nf/mi or 15.72 pf/ft.
24 AWG/.5mm
83nf/mi or 15.72 pf/ft.
To gain optimum performance from the Model 1006, 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.
• Environmental factors too numerous to mention can affect the
maximum distances obtainable at a particular site. Use "maximum
distance" figures as a general guideline only.
11
Resistance
.0163 Ohms/ft.
.0326 Ohms/ft.
.05165 Ohms/ft.
APPENDIX C
PATTON MODEL 1006 PIN/SIGNAL ASSIGNMENTS
DIRECTION
STANDARD "DCE" SETTING
To Model 1006
Data Term. Ready (DTR) - 20
DIRECTION
STANDARD "DTE" SETTING
From Model 1006 Data Term. Ready (DTR) - 20
DIRECTION
1- (FG) Frame Ground
2- (TD) Transmit Data
To Model 1006
3- (RD) Receive Data
From Model 1006
4- (RTS) Request to Send
To Model 1006
5- (CTS) Clear to Send
From Model 1006
6- (DSR) Data Set Ready
From Model 1006
7- (SG) Signal Ground
8- (DCD) Data Carrier Detect
From Model 1006
DIRECTION
1- (FG) Frame Ground
2- (TD) Transmit Data
From Model 1006
3- (RD) Receive Data
To Model 1006
4- (RTS) Request to Send
From Model 1006
5- (CTS) Clear to Send
To Model 1006
6- (DSR) Data Set Ready
To Model 1006
7- (SG) Signal Ground
8- (DCD) Data Carrier Detect
To Model 1006
12

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