CHAPTER 3. Installing Printed Circuit Cards
3-20
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3.20 4WLI Card (only use in the OfficeServ 100)
The 4WLI card provides wireless solution to the OfficeServ 100 system, and provides
cable interface between the system and COMBO type WLAN Base Station(WBS24),
which is the access point for WLAN.
The cable interface system is a digital system, which uses the 2B + 1D QDASL(Quad
Digital Adaptor Subscriber Loops) interface. One 4WLI shall be installed in the Basic
cabinet 3 universal slot and 4WLI can interlock up to 4 WBS24s. And since two DASL line
is connected to one WBS24, 2x(2B + 1D) 4 voice channel simultaneous call is supported.
Power Feeding is supplied from the system through cable, and serves as the path for
transmitting and receiving voice and signaling data between 4WLI and WBS24. Therefore,
one 4WLI board supports up to 16 voice channels.
Push firmly in the middle of both card ejectors to ensure the card is firmly seated into the
back plane connector.
Figure 3.19 4WLI Card