AT&T System 25 - Manual (Page 310)

APPENDIX C: System Additions or Changes
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Power down the system—all cabinets (Cabinet 1 last).
Connect the cabinets, following the instructions under “Install
System Cabinets” in Section 2.
Connect a #6 AWG copper wire between the ground block of the
new cabinet and the ground block of Cabinet 1.
See Note. Make connections between the TDM bus of the new
cabinet and the cabinet directly beneath. Move the bus terminator,
following the instructions under “Install System Cabinets” in Section
2 .
Note: When properly installed, the light blue stripe on the
extender cable is at the bottom of the cable and the
lettering on the cable (SER=1, for example) is right
side up.
Connect the receptacle end of the power cord to the plug at the rear
of the new cabinet.
Connect the plug end of the power cord to the system’s quad ac
outlet.
See DANGER. Recheck the electrical and ground connections that
you just made.
Danger: Once power has been applied,
hands or tools into the cabinet.
Power up the system—Cabinet 1 last.
do not insert
Check the performance of the CPs in the new cabinet following the
instructions under “Power Up and Initialize System” in Section 2.
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