Aastra 57i Installation Guide download pdf (Page 12)

6 Model 57i CT IP Phone Installation Guide

Phone Parts

Optional Accessories for 57i CT (Not Included)

A PoE (Power over Ethernet) inline power injector supplies 48v power to

the 57i CT through the Ethernet Cable on pins 4 & 5 and 7 & 8.

Warning: Do not use this PoE inline power injector to power other

devices.

The Model 536 Expansion Module (536EM) and Model 560 Expansion

Module (560EM) attach to the right side of the 57i CT phone. Model 536EM

provides 36 additional softkeys for the phone. Model 560EM provides 60

additional softkeys. For more information about the expansion modules,

see the section, Model 536 and 560 Expansion Modules on page page 33.

Additional Ethernet Cable

PoE (Power over Ethernet)

Inline Power Injector

(category 5/5e straight

through cable)

Model 536EM Expansion Module

Model 560EM Expansion Module

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Aastra 57i Installation Guide Page 12