Module Descriptions
GARD 8000 SYS RFL Electronics
April 23, 2015 6-24 973.334.3100
Used for reflected power meter calibration. See paragraph 10.6.
Tx protection fuse, 1A, 250V, slow-blow, RFL Part No. 103473
Rx protection fuse, 1A, 250V, slow-blow, RFL Part No. 103473
Used to set Tx Filter frequency. See Table 10-4.
Used to set Tx Filter frequency. See Table 10-4.
Used to set Tx Filter frequency. See Table 10-4.
Used to set Tx Filter frequency. See Table 10-4.
Used to set Tx Filter frequency. See Table 10-4.
Used to set Tx Filter frequency. See Table 10-4.
Used to set Tx Filter frequency. See Table 10-4.
Used to set Tx Filter frequency. See Table 10-4.
Used to set Tx Filter frequency. See Table 10-4.
Used to adjust capacitive component of balance network. See paragraph 4.6.3.2., step d.
Used to adjust capacitive component of balance network. See paragraph 4.6.3.2 ., step d.
Used to adjust capacitive component of balance network. See paragraph 4.6.3.2., step d.
Used to adjust capacitive component of balance network. See paragraph 4.6.3.2., step d.
Used to adjust inductive component of balance network. See paragraph 4.6.3.2., step e.
Used to select or bypasses Inductor L4 which is fine adjustment for inductive
component of Balance Network. See paragraph 4.6.3.2., step e.
Install Jumper J17 to bypass L4.
Do Not Install J17 to select L4.
Used to adjust inductive component of balance network. See paragraph 4.6.3.2., step e.
Used to adjust inductive component of balance network. See paragraph 4.6.3.2., step e.
Used to adjust inductive component of balance network. See paragraph 4.6.3.2., step e.
Used to select 2-wire operation via Internal Skewed Hybrid or 4-wire operation.
IN = 2-wire operation via Skewed Hybrid.
OUT = 4-wire operation (Jumper not used on assembly 500930-20)
Used to select 2-wire operation via Internal Skewed Hybrid or 4-wire operation.
IN = 2-wire operation via Skewed Hybrid.
OUT = 4-wire operation (Jumper not used on assembly 500930-20)
ISOLATE (FSK) = FSK Operation or ON/OFF 4 –wire operation or ON/OFF 2-wire
operation via Skewed Hybrid.
CONNECT (ON-OFF) = On/OFF 2-wire operation (shorts Tx to Rx, do not install J27
or J28).
Used to select 2-wire operation via Internal Skewed Hybrid or 4-wire operation.
IN = 2-wire operation via Skewed Hybrid.
OUT = 4-wire operation (Jumper not used on assembly 500930-20)
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