105M12 and 108M12
Industrial Ethernet Switches
Installation
Guide
(Revised 2010-11-15)
105M12 & 108M12 Industrial Ethernet Switches Installation Guide
(Revised 2010-11-15)
Copyright, © N-TRON Corp., 2008
820 S. University Blvd., Suite 4E
Mobile, AL 36609 USA
All rights reserved. Reproduction, adaptation, or translation without prior written permission from N-TRON
Corp. is prohibited, except as allowed under copyright laws.
Ethernet is a registered trademark of Xerox Corporation. All other product names, company names, logos
or other designations mentioned herein are trademarks of their respective owners.
The information contained in this document is subject to change without notice. N-TRON Corp. makes no
warranty of any kind with regard to this material, including, but not limited to, the implied warranties of
merchantability or fitness for a particular purpose. In no event shall N-TRON Corp. be liable for any
incidental, special, indirect or consequential damages whatsoever included but not limited to lost profits
arising out of errors or omissions in this manual or the information contained herein.
(Revised 2010-11-15)
SAFETY WARNINGS
ELECTRICAL SAFETY
WARNING: Disconnect the power cable before removing the end plates.
WARNING: Do not operate the unit with the end plates removed.
WARNING: Properly ground the unit before connecting anything else to the unit. Units not properly
grounded may result in a safety risk and could be hazardous and may void the warranty. See the
grounding technique section of this user manual for proper ways to ground the unit.
WARNING: Do not work on equipment or cables during periods of lightning activity.
WARNING: Do not perform any services on the unit unless qualified to do so.
WARNING: Observe proper DC Voltage polarity when installing power input cables. Reversing
voltage polarity can cause permanent damage to the unit and void the warranty.
HAZARDOUS LOCATION INSTALLATION REQUIREMENTS
1. WARNING: Explosion hazard. Do not remove or replace the device unless power has been switched off
or the area is known to be non-hazardous.
2. WARNING: Explosion hazard. Do not disconnect while the circuit is live or unless the area is known to
be non-hazardous..
3. WARNING: Explosion hazard. Substitution of components may impair suitability for Class I, Division 2.
4. WARNING: Install only in accordance with Local & National Codes of Authorities Having Jurisdiction.
5. Class I, Div 2 installations require that all devices connected to this product must be UL listed for the area in
which it is installed.
6. Limited Operating Voltage: 12-30V for Class I, Div 2 installations.
7. This equipment is suitable for use in Class I, Div 2, Groups A, B, C, and D, or non-hazardous locations
only.
(Revised 2010-11-15)
105M12 Industrial Ethernet Switch
The 105M12 is an unmanaged industrial Ethernet switch providing five Fast Ethernet copper ports in an
IP65/IP67 rated enclosure for protection against temporary immersion in water. The switch provides
Category-5 compliant 10/100BaseTX connections with IP65/67 rated M12 D-code connectors for high
performance network design, and hub/repeater upgrades. The switch is capable of auto negotiating 10/100
Mb and half/full duplex communications.
108M12 Industrial Ethernet Switch
The 108M12 is an unmanaged industrial Ethernet switch providing eight Fast Ethernet copper ports in an
IP65/IP67 rated enclosure for protection against temporary immersion in water. The switch provides eight
Category-5 compliant 10/100BaseTX connections with IP65/67 rated M12 D-code connectors for high
performance network design, and hub/repeater upgrades. The switch is capable of auto negotiating 10/100
Mb and half/full duplex communications.
Key Features
IP65 Rated for protection against low pressure jets of water from any direction
IP66 Rated for protection against high pressure jets of water from any direction
IP67 Rated for protection against temporary immersion in water
Full IEEE 802.3
Extended Environmental Specifications
Support for Full/Half Duplex Operation
Auto MDI/MDIX (crossover) on all ports
LED Link/Activity Status Indication
Autonegotiation, Autosensing Speed, Duplex, and Flow Control
Up to 1.0 Gb/s maximum throughput for the 105M12 and 1.6 Gb/s for the 108M12 model
Redundant power input
Bulk head mountable (optional Industry Standard 35mm DIN rail mounting available)
108M12-HV Only
(Revised 2010-11-15)