SEH TPG-25 User manual

ThinPrint® Gateway
User Manual
TPG-25
TPG-65
TPG-125

Manufacturer:
SEH Computertechnik GmbH
Suedring 11
33647 Bielefeld
Germany
Phone: [phone]
Fax: [phone]
Support: [phone]
Email: [email protected]
Web: http://www.seh.de
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artphone.
Document:
Type: User Manual
Title: TPG-25 / TPG-65 / TPG-125
Version: 1.3
Online Links to Important Websites:
Support Contacts & Information:
Sales Contacts & Information:
Downloads:
http://www.seh-technology.com/support
http://www.seh-technology.com/sales
http://www.seh-technology.com/services/
downloads/tpg.html
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SEH Computertechnik GmbH has endeavored to ensure that the information in this documentation is correct. If you detect any
inaccuracies please inform us at the address indicated above. SEH Computertechnik GmbH will not accept any liability for any error or
omission. The information in this manual is subject to change without notification.
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© 2015 SEH Computertechnik GmbH
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TPG User Manual 3
Table of Contents
1 General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.1 ThinPrint® Gateway . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.2 Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
1.3 Support and Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
1.4 Your Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
1.5 First Steps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
1.6 Saving the IP Address in the TPG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
2 Administration Methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
2.1 Administration via the TPG Control Center . . . . . . . . . . . . . . . . . . . . . . . . 16
2.2 Administration via the InterCon-NetTool . . . . . . . . . . . . . . . . . . . . . . . . . . 18
2.3 Administration via Email . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
2.4 Administration via the Status/Reset Button of the Device . . . . . . . . . . 22
3 Network and Device Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
3.1 How to Configure IPv4 Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
3.2 How to Configure IPv6 Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
3.3 How to Configure the DNS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
3.4 How to Configure SNMP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
3.5 How to Configure POP3 and SMTP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
3.6 How to Configure Bonjour . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
3.7 How to Configure the Device Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
3.8 How to Determine a Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
3.9 How to Use the Notification Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
4 ThinPrint Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
4.1 How to Define the ThinPrint Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
4.2 How to Define the Bandwidth. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
4.3 How to Embed Printers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
4.4 How to Define Timeouts (Experts Only). . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
4.5 How to Get Status Information on the Printer Connections. . . . . . . . . 43
4.6 How to get Printer Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
4.7 How to Use the ThinPrint Connection Service. . . . . . . . . . . . . . . . . . . . . . 46
4.8 How Does the TPG Receive Encrypted Data?. . . . . . . . . . . . . . . . . . . . . . . 47

TPG User Manual 4
5 Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
5.1 How to Define the Encryption Level for SSL/TLS Connections . . . . . . 49
5.2 How to Control the Access to the TPG Control Center . . . . . . . . . . . . . . 51
5.3 How to Control the Access to the TPG (TCP Port Access Control). . . . 52
5.4 How to Use Certificates Correctly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
5.5 How to Use Authentication Methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
6 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
6.1 How to Secure the TPG Parameters (Backup) . . . . . . . . . . . . . . . . . . . . . . 70
6.2 How to Use a Connected USB Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
6.3 How to Reset Parameters to their Default Values (Reset) . . . . . . . . . . . 74
6.4 How to Perform an Update. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
6.5 How to Restart the TPG? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
6.6 How to Print a Status or Service Page. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
6.7 How to Display the Job History. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
7 Appendix. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
7.1 Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
7.2 Parameter List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
7.3 Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
7.4 List of Figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
7.5 Index. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .111

General Information
TPG User Manual 5
1 General Information
What information do
you need?
• ’ThinPrint® Gateway’ 5
• ’Documentation’ 7
• ’Support and Service’ 9
• ’Your Safety’ 10
• ’First Steps’ 11
• ’Saving the IP Address in the TPG’ 12
1.1 ThinPrint® Gateway
What is ThinPrint®? ThinPrint® is a software-based technology providing print job com-
pression and bandwidth control for network printing. The data traf-
fic between the application server or the print server and the local
printer is reduced considerably and networks are relieved.
The ThinPrint technology enables the transmission of compressed
and bandwidth-optimized print jobs within a network. Print jobs are
compressed using the server component ThinPrint Engine. The
server sends the compressed print data to a device with the imple-
mented ThinPrint Client. This client then decompresses the print
data, transferring it to any printer.
Purpose The TPG (ThinPrint® Gateway) contains a fully embedded ThinPrint
client.This client allows you to receive and decompress print data.
The ThinPrint® gateways TPG-25, TPG-65 and TPG-125 have been
specifically designed for environments in which the ThinPrint tech-
nology for print job compression and bandwidth control are used.
Up to two network printers can be quickly and easily embedded into
the network using the TPG-25. Up to six devices can be embedded
This chapter contains information concerning the
device and the documentation as well as notes about
your safety.
You will learn how to benefit from your ThinPrint®
Gateway and how to operate the device properly.

General Information
TPG User Manual 6
using the TPG-65, up to twelve network printers with the TPG-125.
Users send compressed print jobs to the ThinPrint® Gateway, which
decompresses these print jobs and sends them to the appropriate
printers.
Features The TPG supports the following features (amongst others):
• The feature AutoConnect allows you to automatically create the
required printer objects for the relevant client on the server.
AutoConnect will automatically connect all selected printers on
the server with a ThinPrint port; provided that templates exist.
• The ThinPrint Connection Service allows you to print to
ThinPrint clients, that are found behind a firewall, for example.
This allows the connection via masked networks as well as the
assignment of the relevant print job to the respective end
device.
• By means of the ThinPrint SSL/TLS encryption, the print data is
protected during the transmission and will be decrypted by the
ThinPrint clients or gateways before printing.
System
Requirements
The TPG has been designed for the use in TCP/IP-based networks. A
ThinPrint server must be integrated within this network. The net-
work printers involved must support RAW or socket printing (print-
ing via TCP/IP ports), IPP printing or LPD printing. If you want to use
the ThinPrint Connection Service, you need a license.

General Information
TPG User Manual 7
1.2 Documentation
Scope and Content This documentation describes several versions of the TPG. This means
that functions will be described that may not be applicable to your
product. Some illustrations may differ from your device.
Refer to the data sheet of your TPG model for information about the
functional range of your product.
Structure of the
Documentation
The TPG documentation consists of the following documents:
Document Features This documentation has been designed as an electronic document
for screen use. Many programs (e.g. Adobe® Reader®) offer a book-
mark navigation feature that allows you to view the entire docu-
ment structure.
This document contains hyperlinks to the associated information
units. If you want to print this documentation, we recommend using
the printer setting 'Duplex' or 'Booklet'.
User Documentation
Detailed description of the TPG configuration and
administration.
Quick Installation Guide
Information about security, hardware installation, and the
initial operation procedure.
Online Help (TPG Control Center)
The Online Help contains detailed information about how
to use the 'TPG Control Center'.
Online Help (InterCon-NetTool)
The Online Help contains detailed information about how
to use the software tool 'InterCon-NetTool'.
PDF
Printed
PDF
HTML
HTML

General Information
TPG User Manual 8
Terminology Used in
this Document
The explanation of technical terms used in this document is summa-
rized in a glossary. The glossary provides a quick overview of techni-
cal matters and background information; see: 86.
Symbols and
Conventions
A variety of symbols are used within this document. Their meaning is
listed in the following table:
Tabelle 1: Conventions within the documentation
Symbol / Convention Description
Warning
A warning contains important information that
must be heeded. Non-observance may lead
to malfunctions.
Note
A notice contains information that should be
heeded.
Proceed as follows:
1. Mark...
The 'hand' symbol marks the beginning of
instructions. Individual instructions are set in
italics.
Confirmation The arrow confirms the consequence of an
action.
Requirements Hooks mark requirements that must be met
before you can begin the action.
Option A square marks procedures and options that
you can choose.
• Eye-catchers mark lists.
This sign indicates the summary of a chapter.
 The arrow marks a reference to a page within
this document. In the PDF file, you can jump
to this page by clicking the symbol.
Bold Established terms (of buttons or menu items,
for example) are set in bold.
Courier Command lines are set in Courier font.
'Proper names' Proper names are put in inverted commas

General Information
TPG User Manual 9
1.3 Support and Service
Support If questions remain, please contact our hotline. SEH Computertech-
nik GmbH offers extensive support.
Current Services The following services can be found on the SEH Computertechnik
GmbH homepage http://www.seh-technology.com:
• current firmware/software
• current tools
• current documentation
• current product information
• product data sheet
• and much more
Monday through Thursday
Friday from 8:00 a.m. to 4:45 p.m. and from 8:00 a.m. to 3:15 p.m. (CET)
[phone]
@[email protected]

General Information
TPG User Manual 10
1.4 Your Safety
Read and observe all safety regulations and warnings found in the
documentation, on the device and on the packaging. This will avoid
potential misuse and prevent damages to people and devices.
SEH Computertechnik GmbH will not accept any liability for per-
sonal injuries, property damages and consequential damages result-
ing from the non-observance of the mentioned safety regulations
and warnings. Non-observance will result in the warranty claims
becoming void.
Intended Use The TPG is used in TCP/IP networks. The TPG allows communication
between up to two/six/twelve network printers and one ThinPrint
server. The TPG has been designed for use in office environments.
Improper Use All uses of the device that do not comply with the TPG functional-
ities described in the documentation are regarded as improper uses.
It is not allowed to make modifications to the hardware and soft-
ware or to try to repair the device.
Safety Regulations Before starting the initial operation procedure of the TPG, please
note the safety regulations in the 'Quick Installation Guide'. The
Quick Installation Guide is enclosed in the packaging.
Warnings Read and observe all warnings mentioned in this document. Warn-
ings are found before any instructions known to be dangerous. They
are presented as follows:
Warning!

General Information
TPG User Manual 11
1.5 First Steps
This section provides all the information that you need for a fast
operational readiness.
Proceed as follows:
1. Read and observe the security regulations in order to avoid
damages to people and devices, see:  10.
2. Carry out the hardware installation. The hardware installation
comprises the connection of the ISD to the network and the
mains supply; see: 'Quick Installation Guide'.
3. Make sure that an IP address is stored in the TPG; see: ’Saving
the IP Address in the TPG’  12.
4. Specify the ThinPrint port and other ThinPrint settings; see:
 38.
5. Specify the printers to which the TPG6 will send the print jobs;
see: ’How to Embed Printers’
 40.
The TPG is operational.

General Information
TPG User Manual 12
1.6 Saving the IP Address in the TPG
Why IP Addresses? An IP address is used to address network devices in an IP network.
TCP/IP network protocols require the storing of the IP address in the
TPG so that the device can be addressed within the network.
How Does the TPG
Obtain IP
Addresses?
TPG are shipped without an IP address. The TPG is able to assign
itself an IP address during the initial installation. Boot protocols are
used to assign an IP address automatically to the TPG. Upon delivery,
the boot protocols 'BOOTP' and 'DHCP' are enabled.
Once the TPG is connected to the network, it checks whether an IP
address can be obtained via the boot protocols BOOTP or DHCP. If
this is not the case, the TPG assigns itself an IP address via ZeroConf
from the address range (169.254.0.0/16) which is reserved for Zero-
Conf.
Once the TPG has automatically received an IP address via a boot
protocol, you can save a freely definable IP address in the TPG. The
assigned IP address of the TPG can be determined and modified via
the software tool 'InterCon-NetTool'.
Different methods for the assignment of the IP address are described
in the following.
Automatic Methods
of IP Address
Assignments
• ’ZeroConf’ 13
• ’BOOTP’ 13
• ’DHCP’ 13
• ’Auto Configuration (IPv6 Standard)’ 14
Manual
Methods of IP
Address
Assignments
• ’InterCon-NetTool’ 14
• ’TPG Control Center’ 14
• ’ARP/PING’ 15

General Information
TPG User Manual 13
ZeroConf
If no IP address can be assigned via boot protocols, the TPG assigns
itself an IP address via ZeroConf. For this purpose, the TPG picks an
IP address at random from the address range (169.254.0.0/16) which
is reserved for ZeroConf.
You can use the domain name service of Bonjour for the name reso-
lution of the IP address; see: 32.
BOOTP
The TPG supports BOOTP, which means that the IP address of the
TPG can be assigned via a BOOTP server.
Requirements The 'BOOTP' parameter has been enabled, see: 23.
A BOOTP server is available in the network.
If the TPG is connected, it asks the BOOTP host for the IP address
and the host name. The BOOTP host answers and sends a data packet
containing the IP address. The IP address is saved in the TPG.
DHCP
The TPG supports DHCP, which means that the IP address of the TPG
can be assigned dynamically via a DHCP server.
Requirements The 'DHCP' parameter has been enabled, see: 23.
A DHCP server is available in the network.
After the hardware installation, the TPG asks a DHCP server for an IP
address by means of a broadcast query. The DHCP server identifies
the TPG on the basis of its hardware address and sends a data packet
to the TPG.
This data packet contains, among others, the IP address of the TPG,
the default gateway, and the IP address of the DNS server. The data
is saved in the TPG.

General Information
TPG User Manual 14
Auto Configuration (IPv6 Standard)
The TPG can have an IPv4 address and several IPv6 addresses at the
same time. The IPv6 standard is used to automatically assign IP
addresses in IPv6 networks. When connected to an IPv6 network, the
TPG will automatically obtain an additional 'link-local' IPv6 address
from the IPv6 address range.
The TPG uses the 'link-local' IP address to search for a router. The
TPG sends so-called 'Router Solicitations' (RS) to the special multi-
cast address FF02::2. The available router will then return a 'Router
Advertisement' (RA) containing the required information.
With a prefix from the range of the global unicast addresses, the
TPG can compose its own address. It simply replaces the first 64 bits
(prefix FE80::) with the prefix that was sent in the RA.
Requirements The 'IPv6' parameter has been activated.
The 'Automatic configuration' parameter has been activated;
see: 25.
To configure the assignment of IPv6 addresses, see: 25.
InterCon-NetTool
The InterCon-NetTool has been developed by SEH Computertechnik
GmbH for the administration of SEH network devices. The IP Wizard
of the InterCon-NetTool helps you to configure the TCP/IP parame-
ters, e.g. the IP address. You can manually enter the desired IPv4
address and save it in the TPG using the IP Wizard. To configure an
IPv4 address via the InterCon-NetTool, see: 23.
TPG Control Center
You can manually enter the desired IP address and save it in the TPG
using the TPG Control Center.
• To configure an IPv4 address via the TPG Control Center, see:
23.
• To configure an IPv6 address via the TPG Control Center, see:
25.

General Information
TPG User Manual 15
ARP/PING
The assignment of the IP address to the hardware address can be
done via the ARP table. The ARP table is an internal system file in
which the assignment is temporarily saved (about 15 min). This table
is administered by the ARP protocol.
By means of the 'arp' and 'ping' commands, you can save the IP
address in the TPG. If the TPG already has an IP address, the 'arp' and
'ping' commands cannot be used to save a new IP address.
However, an IP address from the address range (169.254.0.0/16)
which is reserved for ZeroConf can be overwritten by means of the
'arp' and 'ping' commands.
The 'arp' command is used for editing the ARP table. The 'ping' com-
mand transfers a data packet containing the IP address to the hard-
ware address of the TPG. If the data packet has been successfully
sent and received, the TPG permanently saves the IP address.
The implementation of the 'arp' and 'ping' command depends on the
system used. Read the documentation for your operating system.
Requirements The 'ARP/PING' parameter has been enabled, see: 23.
Edit the ARP table:
Syntax: arp -s <IP address> <hardware address>
Example: arp -s 192.168.0.123 00-c0-eb-00-01-ff
Assign a new IP address to the TPG:
Syntax: ping <IP address>
Example: ping 192.168.0.123
The separators within the hardware address that are used in this example correspond
to the Windows® platform.

Administration Methods
TPG User Manual 16
2 Administration Methods
You will get information on when to use these methods and which
functions these methods support.
What information do
you need?
• ’Administration via the TPG Control Center’ 16
• ’Administration via the InterCon-NetTool’ 18
• ’Administration via Email’ 20
• ’Administration via the Status/Reset Button of the Device’ 22
2.1 Administration via the TPG Control Center
Which Functions Are
Supported?
The TPG Control Center comprises all features for the administration
of the TPG.
The TPG Control Center is stored in the TPG and can be displayed by
means of a browser software (Internet Explorer, Firefox, Safari).
Requirements The TPG is connected to the network and the mains voltage.
The TPG has a valid IP address.
Starting the TPG
Control Center
Proceed as follows:
1. Open your browser.
2. Enter the IP address of the TPG as the URL.
The TPG Control Center appears in the browser.
If the TPG Control Center is not displayed, check the proxy settings
of your browser.
You can administer and configure the TPG in a number
of ways. The following chapter gives you an overview
of the various administration options.

Administration Methods
TPG User Manual 17
You can also start the TPG Control Center via the software tool
'InterCon-NetTool'.
Proceed as follows:
1. Highlight the TPG in the device list.
2. Select Actions – Launch Browser from the menu bar.
The TPG Control Center appears in the browser.
Abb. 1: TPG Control Center - START
Structure of
the TPG Control
Center
The available menu items are located in the navigation bar (top).
After selecting a menu item (simple mouse click), the available sub-
menu items are displayed at the left. After selecting a submenu
item, the corresponding page with its content is displayed (at the
right).
You can set the language via the menu item START. Simply select
the relevant flag.
The manufacturer's contact details and additional information
regarding the product are displayed under Product & Company. The
Sitemap provides an overview of and direct access to all pages of
the TPG Control Center.

Administration Methods
TPG User Manual 18
All other menu items refer to the configuration of the TPG. They are
described in the Online Help of the TPG Control Center. To start the
Online Help, click the icon.
2.2 Administration via the InterCon-NetTool
The software InterCon-NetTool has been developed by SEH Comput-
ertechnik GmbH for the administration of SEH network devices (TPG,
TPR, print server, etc.). Depending on the network device you can
configure various features via the InterCon-NetTool.
Mode of Operation After the InterCon-NetTool is started, the network will be scanned
for connected network devices. The network range to be scanned is
freely definable. All network devices found will be displayed in the
'device list'.
You can modify the device list and adopt it to your individual needs.
You can mark and configure the devices in the device list.
Installation In order to use the InterCon-NetTool, the program must be installed
on a computer with a Windows operating system. The installation
file of the InterCon-NetTool can be found on the SEH Computer-
technik GmbH homepage:
http://www.seh-technology.com/services/downloads/tpg.html
Proceed as follows:
1. Start the InterCon-NetTool installation file.
2. Select the desired language.
3. Follow the installation routine.
The InterCon-NetTool will be installed on your client.
Program Start To start the program, double-click the InterCon-NetTool icon .
The icon is found on the desktop or the Windows start menu.
(Start All Programs SEH Computertechnik GmbH InterCon-NetTool)
The settings of the InterCon-NetTool are saved in the 'NetTool.ini'
file. The file is stored in the directory 'Documents and Settings' with
the relevant user name.

Administration Methods
TPG User Manual 19
Structure of the
InterCon-NetTool
After the program start you will see the main dialog with the fol-
lowing elements. The dialog may vary, depending on which elements
you have chosen to be shown or hidden.
Abb. 2: InterCon-NetTool - Main Dialog
Which Functions Are
Supported?
The InterCon-NetTool allows you to
• 'assign an IPv4 address to the TPG' 23
• 'restart the TPG' 80
• 'reset the parameter values of the TPG to their default settings'
74
• 'start the TPG Control Center' 16
• 'switch from the BIOS mode to the default mode' 105
Detailed information on how to use the InterCon-NetTool can be
found in the Online Help. To start the Online Help, select Help –
Online Help from the menu bar.
Filter for the device list Shortcut menu
Menu bar Toolbar Device list

Administration Methods
TPG User Manual 20
2.3 Administration via Email
You can administer the TPG via email and thus via any computer
with Internet access.
Functionalities An email allows you to
• send TPG status information
• specify TPG parameters or
• perform an update on the TPG.
Requirements A DNS server has been configured on the TPG; see: 28.
In order to receive emails, the TPG must be set up as user with its
own email address on a POP3 server.
POP3 and SMTP parameters have been configured on the TPG;
see: 30.
Sending Instructions
via Email
If you want to administer the TPG, you must enter the relevant
instructions into the subject line of your email.
Proceed as follows:
1. Open an email program.
2. Write a new email.
3. Enter the TPG address as recipient.
4. Enter an instruction into the subject line; see: ’Syntax and
Format of an Instruction’  20.
5. Send the email.
The TPG receives the email and carries out the instruction.
Syntax and Format
of an Instruction
Note the following syntax for instructions in the subject line:
cmd: <command> [<comment>]