RFL Electronics GARD 8000 - Page 209

Module Descriptions
GARD 8000 SYS RFL Electronics
April 23, 2015 6-25 973.334.3100
Table 6-10. continued - Jumper Settings and Control Settings for the GARD 8000 PLC Analog Module.
Reference
Designation
Description
Function
J26
Rx connector
BNC Connector
J27
2-pin Header
Selects 75 Ohm termination with J27 installed and J28 uninstalled.
Max power dissipation is 1 Watts. Do not install with J24 in
CONNECT(ON/OFF) position.
J28
2-pin Header
Selects 50 Ohm termination with J28 installed and J27 uninstalled.
Max power dissipation is 2 Watt. Do not install with J24 in
CONNECT(ON/OFF) position.
J30
3-pin Header
Selects internal or external power supply via TB1 pins 1, 2 and 3 on
PLC Analog Module rear panel.
Set J30 and J31 to INT to select internal power supply.
Set J30 and J31 to EXT to select external power supply.
J31
3-pin Header
J32
2-pin Header
Selects one of three modes of CLI (Carrier Level Indicator) output
driver. Connect external meter to TB1 pins 4 and 6 on PLC Analog
Module rear panel.
Selects 0-5V with J32 installed and J33 and J34 uninstalled.
Selects 0-100uA with J33 installed and J32 and J34 uninstalled.
Selects 0-1mA with J34 installed and J32 and J33 uninstalled.
J33
2-pin Header
J34
2-pin Header
J35
3-pin Header
Selects Normal operation or Test operation.
Set J35 and J36 to NOR for Normal operation.
Set J35 and J36 to TEST for Test operation.
J36
3-pin Header
J38
3-pin Header
Used to set Tx Filter frequency (Assembly 500935 only).
J39
3-pin Header
Used to set Tx Filter frequency (Assembly 500935 only).
J40
3-pin Header
Used to set Tx Filter frequency (Assembly 500935 only).
L4
Inductor
Used for fine adjustment of inductive component of balance
network. See paragraph 4.6.3.2, step e.
R2
Potentiometer
Used for reflected power meter calibration. See paragraph 10.6.
R5
Potentiometer
Used for reflected power meter calibration. See paragraph 10.6.
S1
6-position Rotary Switch
Used for coarse adjustment of resistive component of balance
network. See paragraph 4.6.3.2 step c, for hybrid tuning procedure.
R46
Potentiometer
Used for fine adjustment of resistive component of balance network.
See paragraph 4.6.3.2 step c, for hybrid tuning procedure.
TP1
Test Point
Power Amp Input
TP2
Test Point
Power Amp Output (U1 pin 1)
TP3
Test Point
Power Amp Fail
TP4
Test Point
Ground
TP5
Test Point
Ground
TP6
Test Point
Ground
TP7
Test Point
Power Amp Output To Tx Filter
TP8
Test Point
Input to Tx Filter
TP9
Test Point
Positive Power Supply Rail (For factory use only)
TP10
Test Point
Negative Power Supply Rail (For factory use only)
TP11
Test Point
In 4-wire operation, monitors Tx output to the line.
In 2-wire operation, monitors Input to the Skewed Hybrid.