1-4
Table 1-3:
RoamAbout R1 Port Specifications
Electrical and Environmental Specifications
Ensure that the environmental and electrical specifications are within the ranges described
in
Table 1-4
.
Table 1-4:
Environmental Specifications
Interface
Description
WAN
10Base-T, one RJ-45 port
Serial, one RS232 DB-9 connector
LAN
10BASE-T/100BASE-TX
Three RJ-45 Ports
WLAN
Standard: IEEE 802.11b, Direct Sequence Spread Spectrum
(DSSS)
Transmission Rate: 11 Mbps, automatic fallback to 5.5, 2, or
1 Mbps
Maximum Channels: US/Canada: 11, Europe (ETSI): 13
Range Indoors: Up to 160 ft. (50 m)
Range Outdoors: Up to 480 ft. (150 m)
Frequency: US/Canada/Europe: 2.400-2.4835 GHz
Sensitivity: 1, 2, 5.5 Mbps: -80 dBm; 11 Mbps: -76 dbm
typical
Modulation: CCK, BPSK, QPSK
Encryption: 40-bit/128-bit WEP
Maximum Clients: 32
Printer
Parallel
One DB-25 printer port
Parameter
Description
Operating
Environment:
Temperature
0
°
C to 50
°
C (32
°
F to 122
°
F)
Relative humidity
5% to 95% (non-condensing)
Altitude
Sea level to 4000 meters (13,123 feet) above sea
level at 50
°
C (122
°
F)
Air flow
Convection cooled
Shock
Amplitude 10G, shock spectrum
1
/
2
sine, 3 shocks
on each axis
