User's Manual

RadioFrame System Method of Procedure GSM/802.11b
System Description
12 RadioFrame Networks, Inc.
2.6 Local Area Network (LAN)
The RadioFrame System plugs into the customer’s local area network (LAN) using a
standard Ethernet connection over CAT-5 wiring. The customer’s LAN may include a
variety of equipment, including switches, routers, and gateways. The RFS connects to
the LAN via Ports 2-7 on the front of the BCU. The iRAPs installed in the RFUs support
the LAN.
Figure 6 RFS and customer LAN functional diagram.
An optional “gateway” device may be used between the customer LAN and the RFS to
provide a point of control, thus isolating the RFS from the customer’s LAN. The gateway
may be used to perform inter-network routing and access control, permitting only
authorized users access to the customer LAN via the RFS. It may also perform service
accounting and user mobility functions.
NOTE: Though not required, the use of a gateway device is strongly recommended,
particularly for use as an access control mechanism to prevent unauthorized access to
the customer LAN. In addition, while a router between the RFS and the customer LAN is
not required, it is highly recommended that a combination router and security gateway be
used.
The RFN implementation of 802.11b/g provides a transparent MAC layer bridging
function between the RFS and the customer’s LAN. No layer 3 (IP) protocol routing is
required for operation.
RFU
A
CU
ACU
BCU
BSC MSC
PLMN
SS7
A
bis
Customer
’
Network
RadioFrame
System
Components
RFU
RFU
RFU