Connecting The Optical Ip Telephone - Oki ES5473 User Manual

• Only one telephone can be connected to the machine.
• Do not connect the telephone to the machine in parallel. If you connect the telephone to the machine in parallel,
the following problems occur, resulting in the machine not functioning correctly.
- If you pick up the handset of the telephone that is connected in parallel while the machine is sending or
receiving a fax, the fax image may be corrupted or a communication error may occur.
- If the incoming call is a voice call, the telephone may ring late or stop halfway, and if the incoming call is a
fax, the machine may not be able to receive the fax.
• If you connect a telephone with the fax function, disable the fax function of the telephone (disable fax reception)
before using.
In the case of direct interconnection, separate construction work is required. Contact your telephone company.

Connecting the Optical IP telephone

1
Plug the included telephone cable (a) that is connected to the Optical device
(IP telephone) (d) into the LINE connector (b) of the machine.
2
Remove the telephone connector cover.
3
Plug the telephone cable (e) that is connected to an external telephone into
the TEL connector (c) of the machine.
• If a fax dial fails, set the PBX line to [ON].
User Install (Advanced Manual)
• If a fax transmission or reception fails, set [Super G3] to [OFF].
User Install (Advanced Manual)
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2. Setting Up