For a new installation or, where LAN power to the LIP Phone is desired, the POE8 can be
employed for the corporate LAN. For existing installations, it may be necessary to replace existing
switches in a shared environment in order to provide remote power to the LIP Phones.
In the shared environment, both data and voice will have access to the WAN, which also permits
external VoIP calling. In the non-shared LAN environments, the system must be connected to the
WAN to support external VoIP connections.
Due to the advantages of the shared environment, support for remote LAN power, and external
VoIP calling, the POE8, which is a standard Ethernet switch, should be employed. The
recommended structure, called here “hierarchal” wiring, employs all “straight” LAN cables (MDI to
MDIX) and is shown in Figure 4.4.4.5-1. Additional POE8 Modules are connected using the
UPLINK port to the switched ports of the primary POE8. A sufficient number of POE8 modules are
connected to provide the total number of ports required. Each Module, LIP Phone, and LIP-series
Console requires a single port and the LIK-MFIM50A/B will require a single port. Thus, 24 station
system would require a total of 25 ports (LIK-MFIM50A = 1 port, and 24 LIP Phones = 24 ports),
and would be structured as in the Figure 4.4.4.5-1.
Figure 4.4.4.5-1 iPECS LAN Wiring