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Connecting Telephones and Adjunct Systems
Installation and Wiring Telephones and Power Supplies
Installation and Upgrades for G700 and S8300 323
December 2003
End devices that are not enabled to receive power directly may receive power and data through an
external splitter. The external splitter separates the power and data prior to connection to the end device
(see Figure 19, Connecting an IP telephone with an external splitter,
on page 323).
Figure 19: Connecting an IP telephone with an external splitter
Before connecting telephones or other end devices to the 1152A1 PDU, determine if
• It is Power over LAN Enabled or not.
If not, you may safely connect the telephone; however, the port supplies no power and functions
as a normal Ethernet data port.
• It requires an external splitter or whether it requires only a single RJ45 connection.
If an external splitter is needed, be certain to use a splitter with the correct connector and polarity.
• It’s power requirements are consistent with the 1152A1 PDU voltage and power ratings. Refer to
Appendix B in the user’s guide that comes with the unit for voltage and power ratings.
To connect telephones and other end devices to the 1152A1 PDU:
1 Connect an Ethernet cable to the telephone using an external splitter or directly (if the device is
Power over LAN Enabled).
2 Connect the opposite end of the same cable to the RJ45 wall outlet.
3 On the front panel of the 1152A1 PDU, monitor the response of the corresponding port LED. If it
lights up GREEN, the unit has identified your telephone as a Power over LAN
RJ-45
Male Connector
DC Power
Connector
RJ-45
Female Socket
Data
Power
IP
Phone
Connection to
Power over LAN Hub