Nortel Meridian 1 Succession 1000M Installation And Configuration Manual page 261

Installing Power Failure Transfer Units
Figure 108
Auxiliary connector on chassis
AUX connector
5 Connect the attendant console to the PFTU:
• attendant console 14 Tip (14T) to ground
• 3 Tip (3T) of PFTU to 11 Ring (11R) of attendant console (power fail
transfer switch)
• attendant console 11 Tip (11T) to ground
Note: The AUX cable on the Chassis system does not provide power to
the M2250 attendant console. Two Digital Line Card TNs or an attendant
console power supply provide power to the M2250 attendant console.
Small System Installation and Configuration
Page 261 of 562