
xii
SIG-00-22-02 JUNE 2022 (Revised September 2022)
Version: B.1
7.2.1.1 PSO Battery Choke, 7A360.......................................................................................7-2
7.2.1.2 Battery Choke 62648 and Battery Choke 8A065A.....................................................7-3
7.2.2 Application Installation, 7A360, 62648 & 8A065A...........................................................7-3
7.2.3 PSO Battery Line Filter, 7A418.......................................................................................7-4
7.2.3.1 Equipment Description, 7A418..................................................................................7-4
7.2.3.2 Mounting Dimensions, 7A418....................................................................................7-4
7.2.3.3 Application Installation, 7A418...................................................................................7-5
7.3 PSO Couplers.....................................................................................................................7-6
7.3.1 Tuned Receiver Coupler, 7A355-f ..................................................................................7-6
7.3.1.1 Equipment Description, 7A355-f................................................................................7-6
7.3.1.2 Mounting Dimensions, 7A355-f..................................................................................7-6
7.3.1.3 Application Installation, 7A355-f ................................................................................7-7
7.3.2 Tuned Receiver Coupler, Hi Z, 7A366-f..........................................................................7-7
7.3.2.1 Equipment Description, 7A366-f................................................................................7-7
7.3.2.2 Mounting Dimensions, 7A366-f..................................................................................7-7
7.3.2.3 Application Installation, 7A366-f ................................................................................7-8
7.3.3 Line to Receiver Coupler, 7A388..................................................................................7-10
7.3.3.1 Equipment Description, 7A388................................................................................7-10
7.3.3.2 Mounting Dimensions, 7A388..................................................................................7-10
7.3.3.3 Application Installation, 7A388.................................................................................7-10
7.3.3.3.1 Connecting Line to Rec Coupler 7A388 to Rec Line to Rail Coupler, 7A377-1-f....7-11
7.3.3.3.2 Connecting Line to Rec Coupler 7A388 to Rec Line to Rail Coupler, 7A377-2-f.....7-11
7.3.3.3.3 Connecting Line to Rec Coupler 7A388 to Trans Line to Rail Coupler, 7A399-f.....7-11
7.3.4 Rec Line to Rail Coupler, 7A377-1-f and Rec Line to Rail Coupler, 7A377-2-f...............7-11
7.3.4.1 Equipment Description, 7A377-1-f...........................................................................7-12
7.3.4.2 Mounting Dimensions, 7A377-1-f ............................................................................7-12
7.3.4.3 Application Installation, 7A377-1-f ...........................................................................7-12
7.3.4.4 Equipment Description, Receiver Line-to-Rail Coupler 7A377-2-f ............................7-13
7.3.4.5 Mounting Dimensions, 7A377-2-f ............................................................................7-13
7.3.4.6 Application Installation, 7A377-2-f ...........................................................................7-14
7.3.5 Transmitter Line to Rail Coupler, 7A399-f.....................................................................7-14
7.3.5.1 Equipment Description, 7A399-f..............................................................................7-14
7.3.5.2 Mounting Dimensions, 7A399-f................................................................................7-14
7.3.5.3 Application Installation, 7A399-f ..............................................................................7-15
7.3.6 PSO Insulated Joint Bypass Coupler (Tuned), 7A422-f.................................................7-16
7.3.6.1 Equipment Description, 7A422-f..............................................................................7-16
7.3.6.2 Mounting Dimensions, 7A422-f................................................................................7-17
7.3.6.3 Application Installation, 7A422-f ..............................................................................7-17
7.4 AC Track Circuit/Cab Signal Filter, 7A417-X......................................................................7-18
7.4.1 Equipment Description, 7A417-X..................................................................................7-18
7.4.2 Mounting Dimensions, 7A417-X...................................................................................7-18