AUXILIARY EQUIPMENT
_________________________________________________________________________________________________________
7-41
SIG-00-22-02 JUNE 2022 (Revised September 2022)
Version: B.1
SHOWN IN OPEN POSITION
Figure 7-33 Insulated Test Link
7.11.3 Surge Panel I/O Interface
Table 7-8 SSCC III Lighting Surge Panels, 91170-18, 91181-1 Interfaces
PARAMETER
VALUE
I /O Interface Type:
Standard AREMA binding posts
Lamp Cable Compensation:
Adjustable resistors for Near Gate Lamp 1 and Lamp 2
Test/Measurement:
Special insulated links on all connections to the crossing for quick
circuit isolation.
Surge Protection:
Surge protection is provided on the following gate interface terminals:
L1 (lamp 1 output for Near and Far Gates)
L2 (lamp 2 output for Near and Far Gates)
En (lamp common for Near and Far Gates)
GP (gate position input )
1 BELL (bell outputs for Near and Far Gates)
1 GC (gate controls for Near and Far Gates)
B (b input)
N (battery return)
TEST LINK
JAM NUT
INSULATOR
GOLD NUT
R041503_0958
04-15-03
CROSSING
WIRE