Specifications

1-12 800 MHz System Planner R4-11-4G
FIXED-END EQUIPMENT
Wireless Network Gateway (WNG)
1.4.1.3 RNC-to-Transceiver Site Link
The products used to establish the link between the network controller and a
base station site are the COMSPHERE
® modems (see Chapter 3, “Decision
Charts,” section 3.3.1 and 3.3.2). One modem is co-located with the RNC and
one is at the base station site for each site connection. These modems support
the High-level Data Link Control (HDLC) used to transport message packets
and other information between the network controller and the base site.
The Private DataTAC network requires one four-wire circuit for each site
link. This link operates at 7.2 or 14.4 kbps using the modem’s wireline
modulation technique, depending on the radio protocol speed.
1.4.2 Wireless Network Gateway (WNG)
The WNG is a software platform that links wireline data networks to
Motorola RF networks. This software platform manages message traffic to
and from the wireless network. The wireless network includes the RNC and
QUANTAR DBS.
WNG is described in two categories as follows:
• WNG Hardware Configurations
• WNG Functions
• Motorola Wireless Communication Software (MWCS II)
1.4.2.1 WNG Hardware Configurations
The WNG uses the IBM® AIX® operating system running on a Motorola
VME hardware platform, which allows for easy expansion and maintenance.
Two WNG options are available, including the XR Series and the Fault
Tolerant FX Series.
The WNG hardware platform consists of the following:
•PowerPC
® based processor
• Hard drive
• Floppy drive
• CD-drive
• Power supply
• Tape drive
• Two I/O ethernet adapters in a 19-inch rack mountable VME-based
chassis