Auto-negotiation and speed sensing, Specifications – Moxa Technologies Moxa ToughNet Switch TN-5308 User Manual

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Auto-Negotiation and Speed Sensing

All of the TN-5308’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-5308 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 a TN-5308’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 for 10BaseT
IEEE 802.3u for 100BaseT(X)
IEEE 802.3x for Flow Control

Processing Type

Store and Forward

Flow Control

IEEE802.3x flow control, back pressure flow
control

Interface

M12 Ports

10/100BaseT(X) auto negotiation speed, F/H duplex
mode and auto MDI/MDI-X connection

LED Indicators

PWR, 10/100M

Power Requirements

Input Voltage

TN-5308-LV: 12/24/36/48 VDC (7 to 60 VDC)
TN-5308-MV: 72/96/110 VDC (50.4 to 154 VDC)

Input Current

TN-5308-LV: 0.19A @ 12 VDC, 0.10A @ 24 VDC,
0.054A @ 48 VDC
TN-5308-MV: 0.033A @ 72 VDC, 0.024A @ 96
VDC, 0.021A @ 110 VDC

Connection

TN-5308-LV: M12 A-coding, 5-pin male connector
TN-5308-MV: M23 A-coding, 5-pin male connector

Overload Current
Protection

Present

Reverse Polarity
Protection

Present

Physical Characteristics

Housing

Metal, IP40 protection

Dimensions (W

× H × D) TN-5308-LV: 60 x 216.6 x 36.1 mm

(2.36 x 8.53 x 1.42 in)
TN-5308-MV: 60 x 216.6 x 53.7 mm
(2.36 x 8.53 x 2.11 in)

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