Other Specifications B-3
Other
Specifications
Physical Dimensions
The
RAS 1500 has the following physical dimensions:
Interfaces Console Interface
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Electrical specification: RS-232-C (EIA/TIA-232-E standard)
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Connector: DB-9 male
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Configuration: DTE
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Transmission method: Unbalanced RS-232
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Transmission rate: 38.4 Kbps
LAN Interface
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Data Transfer Rate: 10 Mbps
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Accessing Scheme: CSMA/CD (Carrier Sense Multiple Access with
Collision Detection)
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Topology: Star Wired hub (using multiport repeater)
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Maximum Nodes: Limited only by repeater used
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Transmission Medium: Unshielded Twisted Pair (UTP)
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Network Lobe Distance: 100 m (328 ft) suggested maximum. Longer
cabling may be used at the expense of reduced receiver squelch levels.
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Connector: RJ-45 8-position modular jack, Stewart 88-360808 or
equivalent
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Wire Type: 10 Mbps: CAT 3 or CAT 5 twisted pairs 100 Mbps: CAT 5
twisted pairs
WAN Interface - Cabling Specifications
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Max. Cable Distance: 100 meters (328 ft.) suggested maximum. Longer
cabling may be used at the expense of reduced receiver squelch levels.
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Cable Loss: Must be £ 11.5 dB/100 m for frequency range of 5–10 MHz
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Characteristic Impedance: 85–111 Ohms for frequency range of
5–10 MHz
Length: 35.56 cm (14.0 in.)
Width: 43.18 cm (17.0 in.)
Height: 4.445 cm (1.75 in.)
