Using modified modular cable for ground start, Installations, Ground start installations, also see figure 4-2b – AT&T Door Phone Controller User Manual
Page 52: Figure 4-2b. ground start installations
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TO AT&T DOOR PHONE CONTROLLER
J1 CONNECTORS
TO “SHIELD” TERMINAL (12) ON AT&T
DOOR PHO NE CONTROLLER
TELEPHONE SYSTEM
GROUND TERMINAL
TRUNK PORT
STATION
PORT
TRUNK PORT
TO C.O.
TRUNK PORT
STATION
PORT
NOTE: For Ground Start installations:
Connect the green wire to Tip
and the red wire to Ring.
TELEPHONE SYSTEM
Figure 4-2b. Ground Start Installations
Installation - Dedicated Trunk Port 4-5
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