Hubs
Switches
Media
Converters
UL 1604
Industrial
Ethernet U
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Features |
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10BASE-T/100BASE-TX/ 100BASE-FX compliant |
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Provision for
redundant power connections |
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Shielded RJ-45
or SC/ST-style fiber optic connectors |
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LEDs for link/activity,
data rate, power and loop detection |
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Auto-negotiated
data rate, duplex flow control on twisted-pair ports |
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Easy DIN-rail
installation |
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Full- or half-duplex |
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Industrial
environment EMC compatible |
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Broadcast storm
control |
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CE Mark |
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Multimode or
single-mode fiber |
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UL 508 and UL 1604 Class I, Division 2 Listed |
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Wide-range,
low-voltage AC or DC powered |
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UL 864 Recognized (select models) |
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Product Overview |
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The EIS series provides a solution for those industrial applications
requiring a larger network diameter and greater throughput. Models
exist that support both twisted pair and fiber optics.
All models of
the EIS series segment the Ethernet network into separate collision
domains. The switch functions as a "bridge" between various
data links creating a larger network diameter than can be achieved
with repeating hubs. Each port automatically negotiates with its
attached device the data rate (10 or 100 Mbps) and duplex (full-
or half-) for that port. The flow control mechanism is also negotiated.
For Full-duplex segments, the PAUSE
scheme is used. For half-duplex segments, the backpressure
approach is automatically invoked. The switch learns the port locations
of Ethernet devices by reading Ethernet frames and observing source
addresses. The switch then creates and maintains a table of source
addresses and corresponding port assignments. From that time on,
traffic is restricted to only those ports involved in a transmission.
This allows for improved throughput since simultaneous transmissions
can now be initiated on those ports without activity. Table values
are aged to automatically accommodate changes to the field wiring.
If a broadcast,
multicast or unicast transmission to an unknown destination is received
on a port, all other ports are flooded with the transmission.
The EIS series
accommodates industrial applications requiring a fiber backbone
with its EIS5 and EIS6 models. These combine the benefits of switching
technology and fiber optics, making them ideal for applications
where longer networking distance — up to 15 km (single-mode)
— and immunity to EMI/RFI is important. These benefits result
in decreased downtime, fewer outages and improved reliability.
The EIS6 models
have 6-ports, with a mix of four 100 Mbps twisted-pair copper ports
and two 100 Mbps multimode or single-mode fiber ports. The EIS5
models are similar to the EIS6 except they have one less fiber port.
All units are
equipped with key features including wide-range, low-voltage AC
or DC power requirements; broadcast storm protection and loop detection
of the network wiring. They can be DIN-rail or panel mounted. To
aid troubleshooting, the EIS series incorporates LED indicators
for data rate, activity, link integrity, power and loop detection.
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More Information |
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Ordering Information |
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