Multenet PocketPAD RS-232, PocketPAD RS-422, PocketPAD Power over Ethernet, PocketPAD RS-485 User Manual

MULTeNET PocketPAD

Low Cost Serial to Ethernet Devices

User Manual

PocketPAD RS-232

PocketPAD RS-232/422/485

PocketPAD Power over Ethernet

English

Version 2.2

March 2005

PocketPAD

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Document Scope

This manual describes how to install, conﬁgure and operate the PocketPAD Serial to Ethernet converters. For updated product features, refer to our website at www.multenet.com

Revision History

Revision No Changes

1.0 First Release.

2.0 Includes PocketPAD FX.

2.1

PocketPAD FX to new manual. New Idle Timeout feature added.

2.2 Includes Power over Ethernet product.

Data, Illustrations, Alterations

The data and illustrations found in this document are not binding. We reserve the right to modify our products in line with our policy of continuous product development. The information in this document is subject to change without notice and should not be construed as a commitment by MULTeNET.

MULTeNET assumes no responsibility for any errors that may appear in this document.

If you have any suggestions for improvement or amendment, or have found errors in this publication, please notify us through your distributor or email techsupport@multenet.com

Trademarks

EtherPAD and PocketPAD are registered Trademarks of MULTeNET. Internet Explorer, Windows 95/98/2000/NT/XP are registered trademarks of Microsoft Corporation. Ethernet is a trademark of XEROX Corporation. Modbus is a trademark of Schneider Electric, Inc.

Contact details:

2201 Midway Road Suite 302 Carrollton TX75006 United States

Sales Email : sales@multenet.com Technical Support Email : techsupport@multenet.com Website : http://www.multenet.com

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Document Contents

INTRODUCTION

Introduction to PocketPAD 7

COM Port Redirection 7

Different Ethernet Interfaces Available 8 Multiple Network Connections 9 Power-Over-Ethernet 10 Power-Over-Serial 11 Security 11 Firmware Updates 11

GETTING STARTED

Identifying your PocketPAD 13 Connecting the PocketPAD 14

10/100 Base-T Ethernet Network Connection 14 Serial Port Connection 15

Conﬁguring PocketPAD RS-232/RS422/RS485 units 16

RS485 (Half Duplex) Conﬁguration 17 RS422 (Full Duplex) Conﬁguration 18 RS232 Conﬁguration 19

Conﬁguring the PocketPAD 20

Discovering PocketPADs 20

CONFIGURATION

Conﬁguration Overview 24

MAC addresses 24

Conﬁguration File Upload 24 Web Browser Conﬁguration 25

Check your web browser proxy settings 25 Log into Web Conﬁguration 25 Web Conﬁguration 26

Menu Header 26 Save/Reboot 27 Info 27 Management 28

Passwords 28 System Information 28 Troubleshooting 28 View Conﬁguration File 29 System Log 29

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Networking 30

Ethernet Parameters 30 Advanced Routing 31 Domain Name Servers 31 SNMP Settings 32

Serial Application 32

Serial Interface Settings 34 Application Type 35

Reset to Factory Defaults 37

Serial or Telnet Conﬁguration 38

Serial Connection 38 Telnet Connection 38 Menu Conﬁguration 38

Management Settings 39 Networking 39

Ethernet Interfaces 40 Routing 40 Name Servers 41

SNMP 41 Serial Interfaces 41 Applications 43

TCP Applications 43

UDP Applications 46 Reset to Factory Defaults 48

DHCP/BootP with TFTP Conﬁguration 48

Conﬁguration using DHCP/BootP 49 Conﬁguration using TFTP 49

An Example of a TFTP File Format (PocketPAD 1) 49

UPGRADING

Serial Firmware Upgrade (KERMIT) 52

Logging into Serial Conﬁguration mode 52 Upgrading the Firmware 53 Firmware Upload Errors 54 Change Password 55 Erase Dataﬂash 55 Perform Integrity Check 55

TROUBLESHOOTING

Verifying MAC Addresses 56 Ping 57 ARP 57 Traceroute 57 Telnet 58 Web Browser Proxy Settings 58

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Recovering from a Lost Password 60 Troubleshooting LEDs 61

System 61 Serial Interface 61 Network Interface - 10/100 Base-T 61

APPENDIX

Product Speciﬁcation 64

PocketPAD 1 64 PocketPAD 2 65 PocketPAD 4 66 PocketPAD 1 RS 232/485/422 67 PocketPAD 2 RS 232/485/422 68 PocketPAD 4 RS 232/485/422 69 PocketPAD Power over Ethernet 70

Interface Pin-outs 71

Network Interface 71 Serial Interface 71

Cables 72

Straight 10/100 Base-T Ethernet Cable 72 Crossed 10/100 Base-T Ethernet Cable 72 Crossed Serial Cable 72 Full Crossed Serial Cable 73 Null-Modem Crossed Serial Cable 73 Straight Serial Cable 74

END USER SOFTWARE LICENCE AGREEMENT

1. THE LICENCE 75

2. USE OF THE SOFTWARE 75

3. LICENSEE’S UNDERTAKINGS 75

4. LIMITED WARRANTIES 76

5. LIMITATION OF LIABILITY 76

6. COPYRIGHT, PATENTS, TRADE MARKS AND OTHER INTELLECTUAL PROPERTY RIGHTS 77

7. TERMINATION 77

Limited Warranty 77

1. WHAT THIS LIMITED WARRANTY COVERS AND FOR HOW LONG: 77

2. WARRANTY CONDITIONS: 77

3. WHAT THIS LIMITED WARRANTY DOES NOT COVER: 78

4. HOW TO GET WARRANTY SERVICE: 78

5. GENERAL PROVISIONS: 78

6. DISCLAIMER OF ALL OTHER WARRANTIES: 78

7. LIMITATION OF LIABILITiES: 78

NOTES

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INTRODUCTION

The PocketPAD is a low cost Serial to Ethernet device server. This light weight device can be used as stand-alone or mounted on a DIN rail. The PocketPAD connects asynchronous serial devices to Ethernet networks.

The PocketPAD base range has RS-232 Serial interfaces with a single 10/100 Base-T Ethernet interface. The PocketPAD 1 has a single Serial interface. The PocketPAD 2 has two Serial interfaces. The PocketPAD 4 has four Serial interfaces. The PocketPAD Power over Ethernet has a single Serial interface with PoE enabled 10/100 Base-T Ethernet interface.

The PocketPAD RS 232/422/485 range has a single RS-232/RS-485/RS-422 Serial interface with a single 10/100 Base-T Ethernet interface. Internal dip switches are available to conﬁgure the type of serial line and its termination. The PocketPAD 1 RS 232/422/485 has a single RS-232/RS-485/RS-422 Serial interface. The PocketPAD 2 RS 232/422/485 has one RS-232/RS-485/RS-422 Serial interface and one RS-232 Serial interface. The PocketPAD 4 RS 232/422/485 has one RS-232, RS-485, RS-422 Serial interface and three RS-232 Serial interfaces.

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Introduction to PocketPAD

The PocketPAD is a device that interconnects serial and Ethernet systems. The networked host could have a server application polling for information from the serial unit, or a controller with an Ethernet port. The PocketPAD can be conﬁgured to be a server (Passive/Slave mode) or a host (Active/Master mode).

Serial to PC (Ethernet)

The PocketPAD also provides a transparent serial link over the Ethernet network between two serial devices, when used with another PocketPAD. This extends your serial line beyond its limitations. The Ethernet network can be used instead of laying down extra serial cable lines.

Serial to Serial

COM Port Redirection

A COM Port Redirector software tool can be employed to provide a virtual COM Port which is tunnelled through to the PocketPAD via Ethernet for server applications that are not network enabled (i.e. legacy systems).

The COM port redirector on the PC creates a virtual serial port for use by the serial software application. The COM port redirector is responsible for passing data and control signals to the

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PocketPAD, which in turn sends data to the connected serial device.

In the example below the application software running on the networked PC is only capable of connecting to serial Com ports (i.e from COM1 to COM6) and not to an IP address. As the PC has only two physical com ports, COM1 and COM2, you would create a virtual port (i.e. COM6), using the redirector software. The redirector is then conﬁgured to connect COM6 to the IP address of the PocketPAD connected to the remote serial device. When the application sends to or requests data from the serial device, it connects to the device via COM6.

This is very useful when upgrading hardware and/or software to incorporate Ethernet support proves to be too expensive.

Serial to Host’s Virtual COM Port

The COM port redirector software tools have two modes of transporting packets over the Ethernet link:

The ﬁrst method, Raw, streams the data through seamlessly. Conﬁgure the PocketPAD to use ‘Raw’ as its network application protocol.

The second method, Redirector, involves the Telnet protocol (RFC-2217: Telnet Com Port Control Option). If your software application changes the serial paramters used (i.e. varied baud rates, data bits, stop bits, ﬂow control, parity), you should use the Telnet Redirector option. Remember to conﬁgure the PocketPAD’s network application to ‘Redirector’ as well.

Different Ethernet Interfaces Available

Two Ethernet interfaces are available:

Copper: 10/100 Base-T with RJ-45 connector

10 Base-T: Supports a 10 Mbps data rate on UTP cable. The LAN segment length is only

100m.

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100 Base-T (Fast Ethernet): Supports a 100 Mbps data rate over UTP cable segments of 100m. This type of Ethernet is very common in the business workplace.

The next level up is Giga Bit Ethernet (1 Gbps - 1000 Base-T).

RJ45 connectors

Fiber: 100 Base FX (MultiMode) with SC connector

Supports a 100 Mbps data rate for Ethernet over ﬁber optic cabling. TIA/EIA-568-A standard requires 62.5/125 µm multimode ﬁber and “SC” connectors for new installations. In addition, 100 Base-FX requires a minimum of two 62.5/125 µm multimode ﬁbers, one for transmit data, and one for receive data.

The advantages of using ﬁber optic medium are that it can be used in areas with a electromagnetic interferences, long distance cable runs, and in backbone cabling carrying high bandwidth.

Multimode ﬁber gives you high bandwidth at high speeds over medium distances. The bandwidth is speciﬁed for 1 km (or approx. 3280 ft.). Shorter runs would have less dispersion and therefore be higher bandwidths. Longer runs would have greater dispersion and therefore have less bandwidth. Light waves are dispersed into numerous paths, or modes, as they travel through the cable’s core (typically 850 or 1300nm).

Fiber SC Connectors

Multiple Network Connections

The PocketPAD can maintain multiple simultaneous socket connections on its conﬁgured Ethernet ports. Passive/Slave applications are simply ports set to accept incoming connections from remote hosts. Active/Master applications are conﬁgured to connect to remote servers (whether it be another PocketPAD in Passive mode or a PC server application).

Connected hosts will receive data arriving in at the serial interface. Any data sent from the remote hosts will be directed out to the connected serial device.

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For example, many networked computers can access data streamed from a temperature sensor connected to the PocketPAD.

Another example would be a Master PLC (Programmable Logic Controller) connected to multiple serial process control devices via PocketPADs.

The number of applications are limitless.

You could also conﬁgure your PocketPAD to be both Active (Master) and Passive (Slave). A maximum of 5 TCP and/or UDP network applications can be conﬁgured on the PocketPAD. Each application can handle 5 socket connections (i.e. Total of 25 concurrent socket connections at any one time when 5 Passive mode applications are conﬁgured).

One major advantage having multiple sockets available is that you are not isolated to monitor and control remote serial devices from one location. You can simply connect from any part of the network and continue working. This does depend on how your network is setup and also the security measures installed on the network (check with your network administrator).

Power-Over-Ethernet

A PocketPAD Power over Ethernet (PoE, IEEE802.3af) device is available should you not wish to use a power supply unit. You will need a Power injector to power this unit via the Ethernet cable.

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Power-Over-Serial

Should you have a serial device which obtains it’s power via the serial link, then you can set the PocketPAD to provide this power. You will need to check the power requirement of the serial device to make sure the PocketPAD is compatible.

Security

Securing your PocketPAD is done on various levels. Authentication is required for conﬁguring the PocketPAD. The administrator username is ‘root’ with the default password being ‘xxx’. It is recommended that you change this password if you expect unwanted connections to the PocketPAD.

NOTE: DO NOT lose your password. If both the Bootloader and System passwords are

lost, you will need to send your PocketPAD back to MULTeNET to recover the change. There is a cost associated with this recovery procedure. You are able to recover from a lost System password by erasing the Dataﬂash using the Bootloader login.

Allow speciﬁc remote hosts to connect to the PocketPAD’s Ethernet ports. When setting your PocketPAD’s network application, you can set the IP Address and Port Number of the remote host which is allowed to connect to the PocketPAD. In Passive/Slave mode, the PocketPAD will only accept connections from the remote host with the speciﬁed details conﬁgured on the PocketPAD. Other remote hosts which try to connect to the PocketPAD will be denied access to the serial data stream.

Firmware Updates

MULTeNET continues to develop its products extensively, with new ﬁrmware releases

available regularly. New releases may contain new protocols, new features, bug ﬁxes, new routines resulting in better performances.

These ﬁrmware updates can be downloaded off the MULTeNET FTP server at: ftp://multenet_guest:download@ftp.multenet.com/pocketpad/ﬁrmware/

Username = multenet_guest Password = download FTP server hostname = ftp.multenet.com Directory location = /pocketpad/ﬁrmware/

Alternatively, contact your local distributor or email Technical Support.

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GETTING STARTED

This chapter provides information on connecting your PocketPAD to the network.

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Identifying your PocketPAD

The PocketPAD ranges differ in the type and number of interfaces available. The labels on the faceplate should help identify which product you have.

RS 232 Serial to 10/100 Base-T Ethernet PocketPAD Range

PocketPAD 1 PocketPAD 2 PocketPAD 4

PocketPAD Power over

Ethernet

RS 232, RS 485, RS 422 Serial to 10/100 Base-T Ethernet PocketPAD Range

PocketPAD 1

RS 232/485/422

PocketPAD 2

RS 232/485/422

PocketPAD 4

RS 232/485/422

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NET

10/100 Base-T Ethernet Port

COM

Serial Port

RX LED

Lights when serial data is received.

TX LED

Lights when serial data is sent.

10/100 LED

Ethernet speed indication: ON = 100 Mbps OFF = 10 Mbps

LNK/ACT LED

Flashes when activity is seen on the network. OFF if network is disconnected.

Power LED

ON when device is powered up.

5V DC

Power 200 mA

Heartbeat LED

Flashes during normal operation. If solidly lit there is a problem.

10/100 Base-T PocketPAD

Connecting the PocketPAD

You can physically connect to the PocketPAD via two interfaces (serial port & Ethernet port). COM 1 can be used to conﬁgure the unit on all the PocketPAD ranges. Conﬁguration occurs when the device boots up. It is indicated by the ﬂashing TX and RX LEDs (defaulted to 20 seconds).

The easiest conﬁguration method is via the Ethernet network using a web browser. The GUI is simple and easy to navigate through the options.

10/100 Base-T Ethernet Network Connection

There are two ways to connect to your PocketPAD via the Ethernet Network:

- Via a 10/100 Base-T Hub or Switch, using a “Straight” Ethernet cable.

- Direct connection from the PC, using a “Crossed” Ethernet cable.

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PocketPAD conﬁguration via a Hub

PocketPAD conﬁguration via a Workstation Network Card

Serial Port Connection

The PocketPAD is a DTE (Data Terminal Equipment) device. You need to choose the serial cable best suited to your serial device. A number of cable options are available:

• Crossed Serial Cable (most commonly used).

• Full Crossed Serial Cable.

• Null-Modem Crossed Serial Cable. Connect to another DTE (Data Terminal Equipment) device, such as a PC.

• Straight Serial Cable. Connect to a DCE (Data Communications Equipment) device such as a Modem.

Connecting PocketPAD & PC serial ports together

NOTE: Only COM 1 has a full compliment of Serial line signals. Extra Serial interfaces on the

PocketPAD 2 and PocketPAD 4 contain the following signals on the each COM port:

CTS, RTS, TX, RX, GND

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Conﬁguring PocketPAD RS-232/RS422/RS485 units

Onboard DIP switches provide control over the serial interface mode.

TERMINATION: Take note of the termination on your RS422 or RS485 network. There are a

number of methods to conﬁgure the network.

If impedances at cable ends are mismatched, the load will not absorb

transmitted signals resulting in reﬂections back along the data line. Terminations are not required on slow data speeds (i.e. 9600 baud) and short cable lengths. The reﬂections are absorbed (damped out) and the signal stabilised by the time a reading is taken.

The termination resistance should match the impedance of the network

(generally a 100 Ω/120 Ω resistor is connected between the two wires). You will need to check the cable manufacturer’s speciﬁcations. Only 2 terminating resistors are required and must be placed at the extreme ends of the cable.

Termination can be enabled via the DIP switches if the PocketPAD is inserted

at the end/start of the network. If you place the PocketPAD into the ‘middle’ of the network, you should disable the termination via the DIP switches. Terminating DIP switches are ‘DIP1 - 1’ & ‘DIP1 - 2’.

NOTE: Opening the PocketPAD is done at your own risk. You need to take the necessary

precautions. MULTeNET cannot take responsibility for damage done when you open the unit. Refer to the warranty for more details.

Procedure for dip switch conﬁguration of the unit:

• Disconnect the power from the PocketPAD.

• Open your PocketPAD. Gently pop the front face off by pushing the side latches in.

• Slide the board out.

• Conﬁgure the dip switches according to the following tables describing RS232, RS422 or

RS485 interfaces. Take note that you may require termination if the PocketPAD is at either end of the RS485 network.

• Slide board back and reinsert faceplate. Ensure that the side latches have engaged.

• Connect the power.

CAUTION: It is advised that you take preventative measures to ensure that you do not

discharge electrostatic signals which may damage the device.

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RS485 (Half Duplex) Conﬁguration

KEY

DB9 Male Interface

RS485 Termination Enabled

PIN DESCRIPTION

DIP1 - 1 RX TM OFF DIP1 - 2 TX TM ON (if placed at beginning/end of network - Terminated) DIP2 - 1 RX- ON (RS422/RS485) DIP2 - 2 TX- ON (RS422/RS485) DIP2 - 3 TX+ ON (RS422/RS485) DIP2 - 4 RX+ ON (RS422/RS485) DIP3 - 1 HRX- OFF (RS232) DIP3 - 2 HTX- OFF (RS232) DIP3 - 3 HTX+ OFF (RS232) DIP3 - 4 HRX+ OFF (RS232) DIP4 - 1 RX+/TX+ ON (Half Duplex - RX+ = TX+) DIP4 - 2 RX-/TX- ON (Half Duplex - RX- = TX-) DIP5 - 1 - DIP5 - 2 SEL ON (enable RS422/RS485 operation)

RS485 (Half Duplex) DIP Switch Settings

PIN SIGNAL DESCRIPTION

3 TX-/RX- OUT DATA NEGATIVE 5 GND - SIGNAL GROUND 7 TX+/RX+ OUT DATA POSITIVE

RS485 DB9 Serial Interface Pinout

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RS422 (Full Duplex) Conﬁguration

KEY

DB9 Male Interface

RS422 Termination Enabled

PIN DESCRIPTION

DIP1 - 1 RX TM ON (if placed at beginning/end of network - Terminated) DIP1 - 2 TX TM ON (if placed at beginning/end of network - Terminated) DIP2 - 1 RX- ON (RS422/RS485) DIP2 - 2 TX- ON (RS422/RS485) DIP2 - 3 TX+ ON (RS422/RS485) DIP2 - 4 RX+ ON (RS422/RS485) DIP3 - 1 HRX- OFF (RS232) DIP3 - 2 HTX- OFF (RS232) DIP3 - 3 HTX+ OFF (RS232) DIP3 - 4 HRX+ OFF (RS232) DIP4 - 1 RX+/TX+ OFF (Full Duplex) DIP4 - 2 RX-/TX- OFF (Full Duplex) DIP5 - 1 - DIP5 - 2 SEL ON (enable RS422/RS485 operation)

RS422 (Full Duplex) DIP Switch Settings

PIN SIGNAL DESCRIPTION

2 RX- IN RECEIVE DATA NEGATIVE 3 TX- OUT TRANSMIT DATA NEGATIVE 5 GND - SIGNAL GROUND 7 TX+ OUT TRANSMIT DATA POSITIVE 8 RX+ IN RECEIVE DATA POSITIVE

RS422 DB9 Serial Interface Pinout

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RS232 Conﬁguration

KEY

DB9 Male Interface

RS232 Enabled

PIN DESCRIPTION

DIP1 - 1 RX TM OFF DIP1 - 2 TX TM OFF DIP2 - 1 RX- OFF (RS422/RS485) DIP2 - 2 TX- OFF (RS422/RS485) DIP2 - 3 TX+ OFF (RS422/RS485) DIP2 - 4 RX+ OFF (RS422/RS485) DIP3 - 1 HRX- ON (RS232) DIP3 - 2 HTX- ON (RS232) DIP3 - 3 HTX+ ON (RS232) DIP3 - 4 HRX+ ON (RS232) DIP4 - 1 RX+/TX+ OFF DIP4 - 2 RX-/TX- OFF DIP5 - 1 - OFF DIP5 - 2 SEL OFF (enable RS232 operation)

RS232 DIP Switch Settings

PIN SIGNAL DESCRIPTION

1 CD IN CARRIER DETECT 2 RD IN RECEIVE DATA 3 TD OUT TRANSMIT DATA 4 DTR OUT DATA TERMINAL READY 5 GND - SIGNAL GROUND 6 DSR IN DATA SET READY 7 RTS OUT REQUEST TO SEND 8 CTS IN CLEAR TO SEND 9 RI IN RING INDICATOR

RS232 DB9 Serial Interface Pinout

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Conﬁguring the PocketPAD

There are a number of methods to conﬁgure the PocketPAD:

• Conﬁguration File Upload

• Web Browser Conﬁguration

• Serial Conﬁguration

These conﬁguration methods will be explained in the next chapter.

Discovering PocketPADs

Launch EtherPAD Explorer. EtherPAD Explorer executable is available on the

MULTeNET Product CD, along with the installation for MS Windows PCs.

Select [Run EtherPAD Explorer now] from the Autorun Menu to launch the executable from the CD, or click [EtherPAD Explorer] for other options relating to EtherPAD Explorer.

Click [Scan] in EtherPAD Explorer to ﬁnd PocketPADs and other MULTeNET products on the local segment. A broadcast is sent out to which MULTeNET products respond to. A new device will have no IP Address set, unless a DHCP server is setup and has issued the PocketPAD an IP Address. Identify the MAC Address on the PocketPAD to verify that the unit is online. PocketPADs on remote segments and networks will not be seen by EtherPAD Explorer as routers will block the broadcast.

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You will need to [Set IP Address] to conﬁgure the PocketPAD via TCP/IP. Make sure the IP Address falls in your local subnet. Ask your Network Administrator should you have issues getting these details. The default Root password is ‘xxx’. If an IP Address has already been set, it may be that the DHCP server has assigned the network parameters. The PocketPAD, by default, is set to obtain an IP Address from a DHCP server.

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You can [Test connection] to check if the PocketPAD is reachable via TCP/IP. If the test fails, check your IP Address and Subnet Mask settings. Check the Troubleshooting Guide for more fault-ﬁnding tips.

Check that the IP Address you enter is not used by another host on the network. Duplicate IP Addresses may cause unwanted network disruptions.

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CONFIGURATION

This chapter provides information on conﬁguring your PocketPAD.

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Conﬁguration Overview

There are a number of methods to conﬁgure the PocketPAD:

• Conﬁguration File Upload via network using EtherPAD Explorer.

• Web Browser Conﬁguration via network using a Web Browser.

• Serial Conﬁguration via the serial link using a terminal application.

• Telnet Conﬁguration via network using a terminal application.

• DHCP/BootP with TFTP automatically via network servers.

Three steps are required to conﬁgure the PocketPAD for operation:

1. Conﬁgure the PocketPAD’s IP Address, Network Mask and Gateway IP Address.

2. Conﬁgure the Serial communication parameters.

3. Conﬁgure network applications.

MAC addresses

When the PocketPAD leaves the factory, the only address associated with it will be its universally unique Ethernet address. This is also referred to as the MAC (Media Access Control) address. The MAC address is programmed at the factory and cannot be modiﬁed. It is a 12-digit hexadecimal number and is printed on a bar-coded label on the side of the unit. PocketPAD MAC addresses currently begin with ‘0020B7’. If the PocketPAD has no MAC

address programmed, the unit must be returned to MULTeNET for re-conﬁguration.

Conﬁguration File Upload

Select your PocketPAD once you have scanned for devices using EtherPAD Explorer. Click [Get conﬁguration] to obtain a copy of the current PocketPAD conﬁguration ﬁle. This ﬁle can be modiﬁed and uploaded to give the PocketPAD new parameters using [Set conﬁguration]. Rebooting the PocketPAD will make the changes active.

The PocketPAD 1 conﬁguration ﬁle is shown below.

+ 56 hidden pages

Multenet PocketPAD RS-232, PocketPAD RS-422, PocketPAD Power over Ethernet, PocketPAD RS-485 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual