Instruction manual

Overview
2-4
Installation, SPM, Maintenance, and Troubleshooting Supplement
Control Unit Dimensions and
Location
2
The following are the dimensions and location requirements for the control unit:
■ Dimensions
— Basic carrier: 11 inches wide by 20 inches high by 11 inches deep
— Basic carrier and one expansion carrier: 22 inches wide by 20 inches
high by 11 inches deep
— Basic carrier and two expansion carriers: 33 inches wide by 20 inches
high by 11 inches deep
■ Location
— Within 5 feet (152 cm) of an AC power outlet that is not switch-
controlled
— Within 25 feet (762 cm) of the network interface, or use an Off-
Premises Range Extender (OPRE)
— Within 1000 cable feet of telephones (except MLX and 4400-Series), or
use an OPRE (for basic telephones)
— Within 3000 cable feet of MLX telephone (IROBS if needed)
— Within 2000 cable feet of any 4400-Series telephone when using 26
gauge cable
— Within 3000 cable feet of any 4400-Series telephone when using 24
gauge cable
— Within 5000 cable feet of any 4400-Series telephone when using 22
gauge cable
CAUTION:
The AC outlet for the control unit cannot be switch-controlled.
Plugging the control unit into such an outlet invites accidental
disconnection of the system.