Avaya 1120E - Manual (Page 29)

Connecting the components
29
Connecting the components
Figure 4 shows connections on the Avaya 1120E IP Deskphone.
Figure 4: Avaya 1120E IP Deskphone connections
WARNING
Ensure that the protective rubber cap on the Accessory
Expansion Module port is in place when the port is not
in use. Connecting anything other than the proper Avaya
1100 Series Expansion Module connector to this port
can cause damage to the phone.