Amphenol RJSBKN-8UG1-704 Benutzerhandbuch - Seite 11
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Switching
Features
RJSML8UG1 Unmanaged Switch UM
Amphenol
– 948, Promenade de l'Arve – B.P. 29 – 74311 THYEZ Cedex – France - +33(0)4.50.89.28.00 – www.rjswitch.com
Switching Features
Here's a brief explanation of some of the features found in these switches documented by
this manual.
10BaseT, 100BaseTx or 1000BaseTx Auto-detection
Standard Ethernet (10BaseT) has a maximum speed of 10 Mbps in half duplex mode. Fast
Ethernet (100BaseTx) has a maximum speed of 200 Mbps in full duplex mode. The RJ45
ports on these switches automatically select the appropriate speed.
Auto-crossover (auto-mdi/mdi-x)
The RJ45 ports will automatically detect the cable type (straight-thru vs. cross-wired) and
re-configure themselves accordingly.
Auto-polarity
The RJ45 ports will automatically correct for reversed polarity on the TD and RD pair.
Auto-sensing or auto-negotiating speed
The RJ45 ports of these switches will auto-negotiate with the connected device to
determine the optimal speed (10 Mbps vs. 100 Mbps vs. 1000 Mbps).
Flow control
These switches automatically support flow control frames on both transmit and receive
sides. Back-pressure flow control for half-duplex ports and pause-frame flow control for
full-duplex ports.
Forwarding
These switches support store and forward mode. They will forward messages with known
addresses out only the appropriate port. Messages with unknown addresses, broadcast
messages, and multicast messages will get forwarded out all ports except the source port.
Full / Half duplex operation
The RJ45 ports of these switches support both full and half duplex flow control.
IEEE 802.3 compliant
The Amphenol Military Ethernet Switch strictly abides to the IEEE 802.3 standard for
10BaseT, 100BaseTX and 1000BaseTX Ethernet communications.
Jumbo Frames
The 8UG gigabit models support Jumbo frames up to 9kbytes.
Plug and play
This means that most functions or features of these switches are automatic and that there
are minimal or no optional parameters that need to be set. Just plug in your Ethernet
cables, apply power, and the unit will immediately begin to operate.
Protocol independent
These switches will work with all popular Ethernet protocols and networks such as
TCP/IP, the Internet (IP), UDP, NetBEUI, and many more. It is compatible with all
protocols that run over standard Ethernet (IEEE 802.3). In fact, it will support packets of
different protocols simultaneously.
Reverse polarity protection
The standard models (except –PSM) are protected against voltage polarity inversion.
Unmanaged operation
These switches require no supervisory processor to operate properly.
Page 11 of 13
Last Rev: 24-Sep-14