March 1, 2002 Page C9
line of sight to the hub location. At the time of installation the antenna is carefully aimed to
transmit and receive to/from the hub.
The
Subscriber Installation Details
section provides mounting information and grounding
recommendations for the integrated antenna.
The
ARCi Specifications
section provides dimension, weight and mounting details.
Inside the Subscriber Location, the wireless modem is connected to the PC by means of a
standard Ethernet LAN cable. Alternatively a LAN hub or switch may be employed between the
modem and the PC(s), as the modem has a gateway function that will support up to 15 PCs
2
sharing the modem. A small DC inserter device is connected between the modem and the lead to
the outdoor unit. The inserter has a cord mounted power supply (wall wart) as does the modem.
Subscriber Interfaces
See also the ARCi and Vyyo specifications section of this manual.
ARCi Integrated Antenna
The data transmit and receive signals as well as the DC power share a common cable with an
ARCi proprietary electrical interface. Connections are:
75 ohm type F female connector
Quality dual-shielded RG-6 coax cable recommended (e.g. Belden 9116)
Wireless Modem
75 ohm type F female connector to DC inserter and integrated antenna
Data connection RJ45 female connector, 10 Mbps standard 10BaseT Ethernet LAN
(straight-through cable to PC)
2
The number of PCs supported by a single modem is 75.
Summary of Contents for AR1255
Page 4: ...March 1 2002 Page A1 A Table of Contents ...
Page 6: ...March 1 2002 Page B1 B Introduction C t t ...
Page 9: ...March 1 2002 Page C1 C System Description ...
Page 18: ...March 1 2002 Page D1 D Antenna and Frequency Planning ...
Page 24: ...March 1 2002 Page E1 E Hub Installation Detail ...
Page 29: ...March 1 2002 Page E6 Figure E4 Hub Antenna and Cable Installation Cable Access ...
Page 40: ...March 1 2002 Page F1 F Subscriber Inst l Details ...
Page 46: ...March 1 2002 Page G1 G Link Budget Parameters ...