Moxa TN-5305-T [10/11] Auto negotiation and speed sensing
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Moxa TN-5305-T [10/11] Auto negotiation and speed sensing

- 10 -
Auto-Negotiation and Speed Sensing
All of the TN-5305’s Ethernet ports independently support auto-negotiation for
speeds in the 10BaseT and 100BaseTX modes, with operation according to the
IEEE 802.3u standard. This means that some nodes could be operating at 10
Mbps, while at the same time, other nodes are operating at 100 Mbps.
Auto-negotiation takes place when an M12 cable connection is made, and then
each time a LINK is enabled. The TN-5305 advertises its capability for using
either 10 Mbps or 100 Mbps transmission speeds, with the device at the other
end of the cable expected to advertise in the same way. Depending on what
type of device is connected, this will result in agreement to operate at a speed
of either 10 Mbps or 100 Mbps.
If an TN-5305’s Ethernet port is connected to a non-negotiating device, it will
default to 10 Mbps speed and half-duplex mode, as required by the IEEE
802.3u standard.
Specifications
Technology
Standards IEEE 802.3, 802.3u, 802.3x
Processing Type Store and Forward, with IEEE802.3x full duplex,
back pressure flow control
Interface
M12 Ports 10/100BaseTX auto negotiation speed, F/H duplex
mode, and auto MDI/MDI-X connection
LED Indicators Power, LNK/ACT
Power
Input Voltage 12 to 45 VDC or 18 to 30 VAC (47 to 63 Hz)
Input Current 0.12A @ 24 VDC
0.28A @ 24 VAC
Connection M12 A-coding 5-pin male connector, single power
input
Protection
Overload current
protection / Limited
current
1.1A
Reverse polarity
protection
present
Mechanical
Casing IP67 protection, plastic case
Dimensions
(W x H x D)
60 x 125 x 29.6 mm (2.4 x 4.9 x 1.2 in)
Weight 250g
Installation Panel mounting, DIN-Rail mounting (with
optional kit)
Environment
Operating Temperature 0 to 60°C for standard model,
-40 to 75°C for -T models
Storage Temperature -40 to 85ºC

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