Installation guide

Synapse Installation Guide 24 Deskset Installation
To connect the corded handset and an optional corded headset:
Figure 26. Handset Cord Connection
Connect the corded handset:
1. Plug the coiled end of the handset cord into the handset jack on
the left side of the telephone, as identified in Figure 26.
2. Plug the end of the handset cord with the five-inch straight line
into the handset, then hang up.
Connect an optional corded headset:
1. Plug an optional
corded or cordless
headset into the RJ9
connector on the
bottom of the
Deskset, as indicated
in Figure 27.
2. Press HEADSET,
shown in Figure 28,
to use the headset.
A headset
plugged into this jack takes precedence over a registered
AT&T TL7600 Cordless Headset.
Figure 28. Headset Key
Handset Jack on Handset
Handset Jack
On Deskset
Optional Headset Jack
Figure 27. Install Optional Headset
Do not plug a headset into the jack for the corded
handset.
Headset