AUXILIARY EQUIPMENT
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7-16
SIG-00-22-02 JUNE 2022 (Revised September 2022)
Version: B.1
7.3.6 PSO Insulated Joint Bypass Coupler (Tuned), 7A422-f
WARNING
WHEN ADDING OR REPLACING INSULATED JOINT COUPLERS,
APPROPRIATE TESTS MUST BE MADE TO DETERMINE THAT THE
INSULATED JOINT COUPLER DID NOT ADVERSELY AFFECT
OTHER HIGHWAY CROSSING WARNING SYSTEMS OR WAYSIDE
SIGNAL SYSTEM TRACK CIRCUITS.
THE 7A422-F MUST NOT BE USED TO PASS GCP OR MOTION
SENSOR FREQUENCIES.
CAUTION
THE PSO INSULATED JOINT BYPASS COUPLER (TUNED), 7A422-F,
SHOULD BE CONNECTED AS CLOSE AS PRACTICABLE TO THE
INSULATED JOINTS, GENERALLY NO MORE THAN 25 FT. (7.62 M)
FROM THE RAILS AND, TO AFFORD MAXIMUM PROTECTION FROM
PHYSICAL DAMAGE, BE ENCASED IN A PROTECTIVE ENCLOSURE.
NOTE
The track wire connecting the PSO Insulated Joint Bypass Coupler
(Tuned), 7A422-f, to the rails should be #6 AWG as a minimum.
7.3.6.1 Equipment Description, 7A422-f
Figure 7-13 PSO Insulated Joint Bypass Coupler (Tuned), 7A422-f