R
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NTI
ETH-4X1 / 2X1 (MANUAL ETHERNET SWITCH)
INSTALLATION / USER GUIDE
MAN023 Rev Date 6/28/2002
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Application Examples
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Materials
Materials Supplied with this kit:
•
•
•
NTI ETH-4X1 / ETH-2X1 Manual Ethernet Switch
120VAC or 240VAC -12VDC/.5A AC Adapter
This owner's manual
Materials Not Supplied, BUT REQUIRED:
•
Ethernet Cables- Cat5(e)UTP straight-through with male-male connectors
Preparation for Installation
•
•
A location should be chosen for the ETH-4X1 such that the ethernet cable from each supported device will reach
it.
The ethernet cables must be run to the locations where the ETH-4X1 switch, COMMON, and the
SELECTABLE(s) will be mounted. Be careful to route the cables away from any sources of magnetic fields or
electrical interference that might reduce the quality of the signal (i.e. AC motors, welding equipment, etc.).
•
•
A 120V or 240V electrical outlet (depending on the AC adapter being used) must be available close enough to
the mounting location of the ETH-4X1 to plug the AC adapter into.
All cables should be installed in such a way that they do not cause stress on their connections to the equipment.
Extended lengths of cable hanging from a connection may interfere with the quality of that connection. Secure
cables as needed to minimize this.
•
Properly shut down and disconnect the power from the DEVICE(s) and/or NETWORK(s) to be connected. If
other equipment is involved whose connections are being interrupted, be sure to refer to the instruction manuals
for that equipment for proper disconnection and re-connection procedures before proceeding.
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Features and Functions
1. Power- LED to indicate the ETH-4X1 Manual Ethernet Switch has power to operate
2. 12VDC .5A- female connection jack for the AC adapter
3. Select Switches- (1-4)- for manual control of "COMMON" and user selectable ports (1-4)
4. RS232- 9 pin DIN male (optional)- for computer control of "COMMON" and user selectable ports (1-4)
5. Status LEDs- for visual indication of switch connection between the "COMMON" and the user selectable
ports (1-4)
6. User Selectable Ports (1-4)- RJ45 female- for connection of SELECTABLEs
7. COMMON port- RJ45 female- for connection of COMMON
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Installation
1. Position the ETH-4X1 Manual Ethernet Switch such that the ethernet cable from the COMMON , the AC
adapter power cable, and the ethernet cables from the SELECTABLEs can reach the ETH-4X1 Manual
Ethernet Switch.
2. Connect one end of an ethernet cable to the COMMON (See Fig.1.)
cable to the "COMMON" port on the ETH-4X1 Manual Ethernet Switch.
Connect the other end of that
3. Connect another ethernet cable between each SELECTABLE and the user selectable ports (1-4) on the
ETH-4X1 Manual Ethernet Switch. (See Figs.1 and 2.)
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Plug-in and Boot Up
1. Connect the AC adapter power connector to the 12VDC port on the ETH-4X1 Manual Ethernet Switch.
Make sure the power connector is properly inserted. (See Fig. 3.)
2. Plug the AC adapter into a power outlet. The “Power” LED on the ETH-4X1 Manual Ethernet Switch should
illuminate indicating that a proper power connection has been made. Status LED "1" should also illuminate
indicating a connection between the "COMMON" port and user selectable port 1.
3. Power up the COMMON and SELECTABLE device(s). The COMMON device should react as if it were
directly connected to the SELECTABLE device plugged into user selectable port 1.
RS232
To use the RS232 port (optional) , connect a crossed female serial cable from a CPU serial port to the DB9 pin
male RS232 port on the ETH-4X1-RS Manual Ethernet Switch. Connections are as follows:
Connector: Standard 9 pin serial, male
Pins at ETH-4x1-RS
Signal
RxD
TxD
Pins at CPU
2
3
5
3
2
5
4
1 2 3
5
GND
6
7
8 9
RS-232 setup parameters:
• 9600 baud
Mating Face of Male DB9
• 8 bit data
• 1 stop bit
• no parity
• no flow control
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Any terminal program can be used to control the switch, if that program supports the given parameters (example
HyperTerminal in Windows, Norton Commander terminal in DOS). An available standard serial port is needed.
Accepted commands:
Keystroke
Action
1
2
3
4
0
D
B
Switch to port 1
Switch to port 2
Switch to port 3 (ETH-4x1-RS only)
Switch to port 4 (ETH-4x1-RS only)
Disconnect all
Deactivate buttons
Activate buttons (power-ON defaults)
All other characters will be ignored.
All correctly received characters will be echoed (repeated back to user's monitor)
Technical Specifications
Interconnect Cable
Power
ETH-4X1 current draw
CAT5(e) UTP Ethernet straight-through (not crossed)
120 or 240 VAC 12VDC / 5A AC Adapter (provided)
< 0.2A @ 12VDC
Interconnection Cable Wiring Method
The CAT5(e)UTP connection cable between the COMMON, SELECTABLE(s) and the ETH-4X1 Manual Ethernet
Switch is terminated with male ethernet connectors and must be wired according to the EIA /TIA 568A industry
standard. Wiring is as per the table and drawing below.
Pair 3
Pin # Wire Color
Function
1
2
3
4
5
6
7
8
White/Orange
Orange
White/Green
Blue
White/Blue
Green
White/Brown
Brown
T
R
T
R
T
R
T
R
Pair 2
Pair 1
Pair 4
T
T R
R
R
8
T R T
5 6 7
3
+
1 2
+ -
4
-
+ -
+ -
(View Looking into RJ45 female)
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Troubleshooting
Each and every piece of every product produced by Network Technologies Inc is 100% tested to exacting
specifications. We make every effort to insure trouble-free installation and operation of our products. If problems
are encountered while installing this product, please look over the troubleshooting chart below. If an answer is not
found in the chart, check the FAQs (Frequently Asked Questions) at our website at http://www.nti1.com or contact
NTI directly for help at 800-742-8324 (800-RGB-TECH) in US & Canada or 330-562-7070 (worldwide). We will
be happy to assist in any way we can.
Problem
ETH-4X1 power LED does not
illuminate
Cause
Power supply is not connected
or plugged-in.
Solution
•
•
Make sure outlet is live and AC adapter is
plugged in. Also make sure power jack is
fully connected to the switch.
NETWORKS(s) will not
communicate with DEVICE(s)
•
•
Poor Connection
•
•
Make sure all ethernet cables are inserted
completely, snapping into RJ45 sockets
Cable must be CAT 5 ethernet- straight
through type, NOT crossed
Wrong ethernet cable
If the answer to a question is not in the troubleshooting chart or on the NTI website and a call to NTI is required,
please have the following information available at the time of the call:
•
NTI model number (from the top) and serial number (from the bottom) of the switch.
M/N ___________ S/N ______________
•
•
The total length of the ethernet cables in use. ______
Computer Information:
•
•
•
•
Manufacturer ______________
Model ____________________
Ram _____________________
BIOS Mfr. _________________
•
•
BIOS Revision __________________________
Operating System _______________________
•
Make and model number of any modems connected to the switch.
_______________________________________________________________
_______________________________________________________________
_______________________________________________________________
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Warranty Information
The warranty period on this product (parts and labor) is one (1) year from the date of purchase. Please contact
Network Technologies Inc at (800) 742-8324 (800-RGB-TECH) or (330) 562-7070 for information regarding
repairs and/or returns. A return authorization number is required for all repairs/returns.
Copyright
Copyright © 2002 by Network Technologies Inc, all rights reserved. No part of this publication may be
reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical,
photocopying, recording, or otherwise, without the prior written consent of Network Technologies Inc, 1275
Danner Drive, Aurora, Ohio 44202. For more information please contact Network Technologies Inc at (800)
742-8324 (800-RGB-TECH) or (330) 562-7070.
Changes
The material in this guide is for information only and is subject to change without notice. Network Technologies
Inc reserves the right to make changes in the product design without reservation and without notification to its
users.
MODEL :
ETH-4X1
ETH-2X1
ETH-4X1-RS
ETH-2X1-RS
SERIAL NO:
DATE: __
INSPECTED BY:
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