Patton electronics 2120 User Manual
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Patton electronics 2120 User Manual

Rs-232 single port terminal server
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Part# 07M2120-UM
Doc# 08302U2-001,
Rev. D
Revised 10/27/06
An ISO-9001
Certified Company
USER
MANUAL
MODEL 2120
RS-232 Single Port

Terminal Server

SALES OFFICE
(301) 975-1000
TECHNICAL SUPPORT
(301) 975-1007

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Summary of Contents for Patton electronics 2120

  • Page 1: Terminal Server

    USER MANUAL MODEL 2120 RS-232 Single Port Terminal Server Part# 07M2120-UM SALES OFFICE Doc# 08302U2-001, (301) 975-1000 Rev. D TECHNICAL SUPPORT Revised 10/27/06 (301) 975-1007 An ISO-9001 Certified Company...

  • Page 2: Table Of Contents

    Configuration Switches ............... 15 Default Settings ................16 Detailed Switch Settings............. 16 Software Configuration ............... 16 Model 2120 Software Command System ........17 Model 2120 Help Menu/Command Hierarchy ......17 Entering Commands..............19 Activating Configuration Commands .......... 19 Default Configuration Parameters ..........20 EIA232 Interface Defaults............
  • Page 3 Top Panel LEDs ................. 52 Flow Control And Session Control..........53 Flow Control ................53 Session Control ................54 Using "Show" Commands For 2120 Status ........ 54 2120 Utilities ................54 Boot .................... 54 EIA232 Connection Closure ............55 Ping .................... 55 Raw-TCP ..................
  • Page 4 A.13 Altitude ..................58 A.14 Humidity ..................58 A.15 Dimensions ................. 58 A.16 Weight ..................58 Model 2120 Single Port Terminal Server Software Command Definitions ..........59 B.1 Activate Image Commands ............59 B.2 Boot Commands ................. 59 B.3 Configure Commands ..............59 B.4 EIAONCLOSE Commands ............

  • Page 5: Warranty Information

    1.0 WARRANTY INFORMATION Patton Electronics warrants all Model 2120 components to be free from defects, and will—at our option—repair or replace the product should it fail within one year from the first date of shipment. This warranty is limited to defects in workmanship or materials, and does not cover customer damage, abuse or unauthorized modification.

  • Page 6: Ce Notice

    Packages received without an RMA number will not be accepted. Patton Electronics' technical staff is also available to answer any ques- tions that might arise concerning the installation or use of your Patton Model 2120. Technical Service hours: 8AM to 5PM EST, Monday through Friday.

  • Page 7: General Information

    2.0 GENERAL INFORMATION Thank you for your purchase of this Patton Electronics product. This product has been thoroughly tested and is warranted for One Year parts and labor. If any questions or problems arise during installation or use of this product, please do not hesitate to contact Patton Electronics Tech- nical Support at (301) 975-1007.

  • Page 8: Ppp/Slip

    • Selectable RS-232 character length options of 5, 6, 7, 8 • Selectable RS-232 flow control options of none, hardware, xonxoff • Selectable RS-232 parity options of none, odd, even, high • Selectable RS-232 stop length options of 1, 2 •...

  • Page 9: Ip Forwarding/Nat

    • DHCP: – DHCP enable/disable for static or dynamic IP addressing of the unit – Permit the use of the DHCP offered IP address in the IP address destination field – DHCP Client support for Default Gateway IP Forwarding/NAT • Ability to forward IP packets from multiple Ethernet devices across its serial interface in both SLIP and PPP mode •...

  • Page 10: System Features

    System Features • Ability to display boot message on the serial interface • Selectable default gateway IP address for use when the destination IP address cannot be found • DHCP enable/disable for static or dynamic IP addressing of the unit •...

  • Page 11: View (Show) Features

    • Ability to reset non-volatile configuration parameters • Ability to remotely close the serial interface connection • Ability to FTP to a remote device • Ability to Ping to a remote device • Ability to Raw-TCP to a remote device •...

  • Page 12: Description

    2.3 DESCRIPTION The Model 2120 Single Port Terminal Server (see Figure 1) provides a quick, easy to use solution for connecting traditional RS-232 terminals and devices to the Local Ethernet/IP Network. The Model 2120 can also function as a very cost effective single port remote access server. Serial asynchronous device connectivity across the LAN is provided using Tel- net/TCP, Raw-TCP, SLIP, or PPP protocols.
  • Page 13 2120's menu-driven command system. Once initial configuration is complete with a static or dynami- cally assigned IP address and the 2120 is connected to the LAN, config- uration parameters can be modified, configuration parameters and operational status can be viewed, and utilities can be performed over the LAN using a Telnet session.
  • Page 14 When operating in PPP mode and accessing the Internet through the Model 2120, the unit can be configured for DNS and/or WINS. These are client name server options for Internet domain name resolution. When operating in SLIP mode, the Model 2120 must be configured to obtain the name server addresses from the SLIP client device.

  • Page 15: Configuration

    SW1 is a set of four internal DIP switches (see Figure 2) that are used for configuration reset purposes only. To access switch set SW1, use a small flat blade screwdriver to open the Model 2120’s case as shown in Figure 3.

  • Page 16: Default Settings

    3.2 SOFTWARE CONFIGURATION The Model 2120 features a menu-driven command system that enables the configuration of the 2120 software via the serial interface using a VT- 100 terminal or emulation session or over the LAN using a Telnet ses- sion. Since the Model 2120 is not pre-configured with an IP address for your network, initial configuration of the Model 2120 is performed via the...

  • Page 17: Model 2120 Software Command System

    The Model 2120 Software Command System is designed with a series of help menus and commands derived from the actual function descrip- tions. Once a session has been established with the 2120 and the sys- tem prompt (TS>) appears, the main help menu (see Figure 4) will be displayed by pressing the <Enter>...
  • Page 18 Figure 5. Model 2120 Help Menu/Command Hierarchy...

  • Page 19: Entering Commands

    TS>c e i da 115200<Enter> TS>b<Enter> Activating Configuration Commands The Model 2120 configuration parameters can be changed by using the “configure” command and associated sub-commands. Immediately after the necessary “configure” command string is entered, the “configure acti- vate” command must be entered in order to activate the changes and write them to flash memory.

  • Page 20: Default Configuration Parameters

    3.3 DEFAULT CONFIGURATION PARAMETERS The Model 2120 software is pre-configured with the following factory default settings. EIA232 Interface Defaults • Character Length: 8 (bits) • Datarate: 9600 (bits per second) • DTE/DCE Physical Port: DCE • Flow Control: none • Inactive Timeout: 15 (minutes) •...

  • Page 21: System Defaults

    To reset the Model 2120 software to factory default settings, set internal dip switch #1 to the ON position and power cycle the Model 2120 unit. Once powered on, set switch #1 back to the OFF position. This will reset all settings, with the exception of the unit MAC address, to the above listed factory defaults.
  • Page 22 Software Version ?.?.? (will display current version) TS> Note If you are unable to connect with the Model 2120 and you have rechecked your terminal emulation settings, it is recommended that a configuration reset (to factory defaults) be performed on the Model 2120 by setting internal dip switch #1 to the ON posi- tion and power cycling the Model 2120.
  • Page 23 Before proceeding with the configuration of the Model 2120 for your application, it is suggested that the following "show all" commands be executed in order to view the current system, eia232, and user database configuration parameters: TS>show system all<Enter> (or "s s a<Enter>")
  • Page 24 TS>show eia232 ppp all<Enter> (or "s e p a<Enter>) DHCP Enable : no DHCP State : initialize DHCP Passed Lease Time (sec) DHCP Renew Lease Time (sec) DHCP Rebind Lease Time (sec) DHCP Expire Lease Time (sec) DHCP IP Address : 0.0.0.0 DHCP Subnet Mask : 0.0.0.0...

  • Page 25: Remote Configuration Of The Unit

    - FTP To Remote Device ping - Ping Remote Device rawtcp - Raw-TCP To Remote Device show - Show Parameters and Statistics telnet - Telnet To Remote Device TS> You are now ready to change the configuration of the Model 2120 for your application.

  • Page 26: Sample 2120 Configurations

    IP address. The user then launches a Telnet/TCP session from their Computer specifying the IP Address of the Model 2120 and port number and remotely connecting to it over the LAN. Once connected, the Telnet/TCP client converts the asynchronous data into TCP packets and sends it over the LAN to the IP address of the Model 2120.
  • Page 27 Figure 6. Telnet / TCP Operation System Settings Boot Message Display Enable: yes Default Gateway IP Address: <IP Address of Default Gateway of 2120 LAN> DHCP Enable: no IP Address Configured: <IP Address Assigned by Network Admin> MAC Address: <Factory Assigned>...
  • Page 28 EIA232 Interface Settings Character Length: 8 (or setting required by serial device) Datarate: 9600 (or setting required by serial device) DTE / DCE Physical Port: dce (or setting required by serial device) Flow Control: none (or setting required by serial device) Inactive Timeout (min): 15 (or preferred) IP Address Configured: <Same as System IP Address>...

  • Page 29: Rawtcp Operation

    LAN for standard operation of the device. To enable the soft- ware application to communicate with the remote serial device, the Model 2120 is usually assigned a static IP Address and the IP Address is configured within the software application. When the software applica- tion is launched, it sends data in TCP packets over the LAN to the IP Address of the Model 2120.
  • Page 30 Figure 7. Raw - TCP Operation System Settings Boot Message Display Enable: yes Default Gateway IP Address: <IP Address of Default Gateway of 2120 LAN> DHCP Enable: no IP Address Configured: <IP Address Assigned by Network Admin> MAC Address: <Factory Assigned>...
  • Page 31 EIA232 Interface Settings Character Length: 8 (or setting required by serial device) Datarate: 9600 (or setting required by serial device) DTE / DCE Physical Port: dce (or setting required by serial device) Flow Control: none (or setting required by serial device) Inactive Timeout (min): 0 IP Address Configured: <Same as System IP Address>...

  • Page 32: Ppp Operation

    PPP application to connect with a dial-up (or ISDN) modem connected to the LAN. Once the connection is made between the PPP dial-up peer and the modem, the Model 2120 serial interface will typically obtain its operating IP address from an active DHCP server on the LAN and then establishes a connection with the LAN.
  • Page 33 Figure 8. PPP Terminal Server System Settings Boot Message Display Enable: no Default Gateway IP Address: <IP Address of Default Gateway of 2120 LAN> DHCP Enable: no IP Address Configured: <IP Address Assigned by Network Admin>...
  • Page 34 Management Enable: yes (or preferred) Management Inactive Timeout (min): 15 (or preferred) Prompt: TS> (or preferred) Subnet Mask Configured: <Subnet Mask of 2120 LAN> EIA232 Interface Settings Character Length: 8 (or setting required by modem) Datarate: 115200 (or setting required by modem)

  • Page 35: Slip Operation

    SLIP application to connect with a dial-up (or ISDN) modem connected to the LAN. Once the connection is made between the SLIP and the modem, the Model 2120 will establish a connection with the LAN using a static IP address assigned by the Network Administrator. Once...
  • Page 36 SLIP connection is usually terminated once the user is finished accessing the LAN/Internet. Figure 9. SLIP Terminal Server System Settings Boot Message Display Enable: no Default Gateway IP Address: <IP Address of Default Gateway of 2120 LAN> DHCP Enable: no...
  • Page 37 IP Address Configured: <2120 Unit IP Address Assigned by Network Admin> MAC Address: <Factory Assigned> Management Enable: yes (or preferred) Management Inactive Timeout (min): 15 (or preferred) Prompt: TS> (or preferred) Subnet Mask Configured: <Subnet Mask of 2120 Unit LAN>...

  • Page 38: User Database

    3.7 USER DATABASE The Model 2120 features a flexible user database with security for up to 64 users. This enables security access to the Model 2120 serial inter- face and administrative management of the Model 2120 over the LAN.

  • Page 39: Privilege

    Privilege Each user in the 2120 user database is assigned a privilege that identi- fies how each user may interact with the Model 2120. The three types of privileges that exist in the Model 2120 are defined as follows: User - The User privilege permits a user to access only the serial interface.

  • Page 40: Deleting All Users

    TS>configure userdatabase deleteall<Enter> TS>configure activate<Enter> activate is complete! Verifying that all active users have been deleted from the user database is accomplished by executing the following command at the 2120 com- mand system prompt: TS>show userdatabase all<Enter> user database empty! TS>...

  • Page 41: Modifying A User

    TS>configure activate<Enter> activate is complete! TS> Verifying that the user password and/or privilege has been modified is accomplished by executing the following command at the 2120 com- mand system prompt: TS>show userdatabase all<Enter> --> User Database <-- john,123abc,user tom,98lk12,admin Total Users = 2 TS>...

  • Page 42: Ip Addressing

    3.8 IP ADDRESSING Unit IP Address The IP address used to manage the Model 2120 unit can be configured statically or dynamically. The Model 2120 is defaulted to use DHCP (Dynamic Host Configuration Protocol) to dynamically obtain the unit IP address over the LAN from an active DHCP server.
  • Page 43 TS>configure activate<Enter> activate is complete! The Model 2120 may also obtain the serial interface IP address from the PPP client device connected to the serial interface. In this scenario, every time a PPP client establishes a PPP connection, the Model 2120 will use the IP address provided by the PPP instead of a static or dynamic IP address.

  • Page 44: Subnet Mask

    IP addresses should be configured with the appropriate Subnet Mask for the LAN where the IP addresses reside. The Subnet Mask for the Model 2120 unit is configured by executing the following commands at the 2120 command system prompt: TS>configure system subnetcfg <Subnet Mask of...

  • Page 45: Windows Name Server (Wins)

    When operating in SLIP mode, the Model 2120 must obtain name server addresses from the SLIP device connected to the serial interface. Every time a SLIP establishes a connection, the Model 2120 will use the name server addresses provided by the SLIP. Obtaining name server addresses from the SLIP is configured by executing the following com-...

  • Page 46: Software Installation Instructions

    The following conditions must be met before loading new operational software on your Model 2120: • You must have a valid IP address assigned to the Model 2120 and the Model 2120 must be connected to the LAN • You must have an FTP Client (i.e. Windows Command Mode) on a computer that can communicate over the LAN •...

  • Page 47: Software Installation Procedures Using Patton's Ftp Server

    The following conditions must be met before loading new operational software on your 2120: • You must have a valid IP address assigned to the Model 2120 and the 2120 must be connected to the LAN with Internet access • You must have an FTP Client (i.e. Windows Command Mode) on a computer that can communicate over the LAN •...
  • Page 48 Once the image is activated, you will lose your connection to the Model 2120. To verify new software version, TELNET back into the 2120 by typing telnet < the IP address of the 2120> and pressing <Enter>. The new software version should be listed at the top of the screen.

  • Page 49: Installation

    LAN connection (usually an RJ-45F connector) using a standard LAN patch cord (not provided with 2120). In Figure 10, the Model 2120 is attached directly to a card reader and will use its individually assigned IP address so that the host PC can commu- nicate with the card reader over the Ethernet LAN.

  • Page 50: Ac Power Supply (100-240Vac)

    IEC-320 power entry connector and sup- ports a voltage range of 100-240VAC. This power supply connects to the Model 2120 by means of a cannon jack on the rear panel. There are a variety of domestic and international power cords available for power entry.

  • Page 51: Operation

    5.0 OPERATION After configuring and installing the Model 2120, you are ready for opera- tion. This section describes the operation of the Model 2120 Single Port Terminal Server. 5.1 LED STATUS INDICATORS The Model 2120 features seven top panel LEDs and two rear panel LEDs.

  • Page 52: Top Panel Leds

    Table 2: Model 2120 Rear Panel LED definitions Description Link Glows green to indicate that the Ethernet signal from the LAN is active. Status Blinks yellow indicating the system status as follows: 2 Blinks: TCP Connection Established (Telnet and Raw-TCP operation only)

  • Page 53: Flow Control And Session Control

    DTE and is an input to the DCE. CTS originates from the DCE and is an input on the DTE. When the Model 2120 is configured for DCE operations, the DTE will turn RTS ON to indicate the 2120 to send data to the DTE and OFF to stop the 2120 from sending data before the DTE receive buffers overflow.

  • Page 54: Session Control

    When no (none) flow control is selected, the flow of data between the Model 2120 and the device connected to the serial interface is not man- aged, therefore, it is possible for the buffers to overflow causing the loss of data.

  • Page 55: Eia232 Connection Closure

    EIA232 Connection Closure The "eiaconclose" allows an administrative user to manually disconnect or close a user connection on the Model 2120 serial interface. The fol- lowing illustrates how to issue the "eiaconclose" command: TS> eiaconclose<Enter> (or "e<Enter>") EIA connection close complete! Ping The "ping"...

  • Page 56: Raw-Tcp

    ... Session Started Telnet The "telnet" command allows the Model 2120 to establish a Telnet ses- sion with a remote IP device supporting Telnet server functionality. The following illustrates how to issue the "telnet" command: TS> telnet <IP address of remote device><Enter> (or "t <IP address of remote device><Enter>")

  • Page 57: Model 2120 Single Port Terminal Server Specifications

    APPENDIX A MODEL 2120 SINGLE PORT TERMINAL SERVER SPECIFICATIONS A.1 SERIAL INTERFACE DB-25 male or female, DB-9 male or female (RJ-45F jack with 6" RJ-45 to DB-9 adapter cable), and RJ-45 Male connector options A.2 SERIAL TRANSMISSION RS-232 Asynchronous, 50 to 115.2 kbps (software selectable) A.3 DCE/DTE...

  • Page 58: Temperature

    A.12 TEMPERATURE 32–122°F (0–50°C) A.13 ALTITUDE 0 to 15,000 feet (0 to 4,572 meters) A.14 HUMIDITY Up to 95% non-condensing A.15 DIMENSIONS 3.5L X 2.1W X 0.78H in. (9.0L X 5.3W X 1.9H cm) A.16 WEIGHT 0.2 lbs (0.09 kg)

  • Page 59: Model 2120 Single Port Terminal Server Software Command Definitions

    Valid Entries: N/A Note Command will not work unless SW has been downloaded to unit. B.2 BOOT COMMANDS boot Remotely performs a soft boot of the 2120. When performed, session is lost. Accessibility: N/A Default: N/A Valid Entries: N/A B.3 CONFIGURE COMMANDS configure...
  • Page 60 Note MUST be entered immediately after each “configure” command string to activate configuration changes. configure clear Clears changes in configuration parameters prior to “activating” them and reverts back to the previous settings. Accessibility: N/A Default: N/A Valid Entries: N/A Note Once changes in parameters are activated/written to flash mem- ory using the “configure activate”...
  • Page 61 Accessibility: READ/WRITE Default : none Valid Entries: none, hardware, xonxoff configure eia232 interface inactiveto X Sets the period of time (in minutes) that the 2120 will close an inactive connection to the serial interface. Accessibility: READ/WRITE Default: 15 (minutes) Valid Entries: 0-10080...
  • Page 62 configure eia232 interface rxbuflen X Receive buffer length <num char>. configure eia232 interface stoplength X Sets the RS-232 Stop Length (in bits) of the serial interface. Accessibility: READ/WRITE Default: 1 (bit) Valid Entries: 1, 2 configure eia232 interface subnetcfg X Sets the Subnet Mask used to conduct PPP or SLIP operations.
  • Page 63 FCS length configure eia232 ppp dhcpwaddr X DHCP hardware address configure eia232 ppp peeripaddruseena X Permits the 2120 to obtain an IP address from the PPP client device con- nected to the serial interface for PPP operations. Accessibility: READ/WRITE Default: no Valid Entries: yes, no configure eia232 ppp peernsaddruseena X...
  • Page 64 Accessibility: READ/WRITE Default: 0.0.0.0 Valid Entries: Any in IP address format. configure eia232 ppp rxaccm X Receive async contrl character map configure eia232 ppp txaccm X Transmit async contrl character map configure eia232 ppp userauthprot X Permits the use of PAP as a user authentication protocol with PPP oper- ations.
  • Page 65 Valid Entries: 0–65535 Note This TCP port number must be used as the TCP destination port number by any device attempting to connect to the 2120’s serial interface over the LAN. configure eia232 rawtcp_telnet remidlediscto X Remote idle disconnect timeout <sec>...
  • Page 66 Default: N/A Valid Entries: N/A Note Needs to be entered first in all “configure system” command strings. configure system bootmessdispena X Permits the display of the Boot Message (Model 2120 Terminal Server Software Version ?.?.?) on the serial interface. Accessibility: READ/WRITE...
  • Page 67 Note If there is an active DHCP Server on the LAN, "configure system dhcpena" must be set to NO or the IP address of the 2120 unit entered here will be overwritten with the IP address assigned by the DHCP server.
  • Page 68 If disabled, access to the Model 2120 Software Command Sys- tem can is only possible via the serial interface. configure system maninactiveto X Sets the period of time (in minutes) that the 2120 will close an inactive Telnet session. Accessibility: READ/WRITE Default: 15 (minutes) Valid Entries: 0 –...

  • Page 69: Eiaonclose Commands

    Note This may be needed if the inactivity timeout feature is disabled. B.5 FTP COMMANDS Enables the 2120 to communicate with FTP servers over the LAN for viewing and downloading files (i.e. new 2120 software releases). Accessibility: N/A Default: N/A...

  • Page 70: Ping Commands

    Enables the 2120 to ping other devices on the LAN. Accessibility: N/A Default: N/A Valid Entries: N/A B.7 RAWTCP COMMANDS rawtcp Enables the 2120 to initiate a Raw-TCP session with remote devices over the LAN. Accessibility: N/A Default: N/A Valid Entries: N/A B.8 SHOW COMMANDS show Returns the Show Help Menu.
  • Page 71 Note In Telnet and RawTCP modes, the active serial interface IP address will be the same as the 2120 unit IP Address configured with the "configure system ipaddrcfg X" command or obtained by an active DHCP Server on the LAN. In PPP mode, the active serial interface IP address will be the same as the static IP address configured with the "configure eia232 interface ipad-...
  • Page 72 show eia232 interface parity Returns current RS-232 Parity setting. Accessibility: READ ONLY show eia232 interface protocol Returns current RS-232 Protocol setting. Accessibility: READ ONLY show eia232 interface rxbuflen Receive buffer length <num char> show eia232 interface rxidlechartrig Receive idle char for trig <num char> show eia232 interface stoplength Returns current RS-232 Stop Length setting.
  • Page 73 show eia232 ppp Returns the PPP Help Menu. Accessibility: N/A Default: N/A Valid Entries: N/A Note Needs to be entered first in all "show eia232 ppp" command strings. show eia232 ppp all Returns all current PPP settings. Accessibility: READ ONLY show eia232 ppp dhcpena Returns current PPP related DHCP enable setting.
  • Page 74 address will expire. Accessibility: READ ONLY Default: 0 (seconds) Possible Values: 0-65535 show eia232 ppp dhcpipaddr Returns the current PPP related IP address obtained from the active DHCP Server. Accessibility: READ ONLY Default: 0.0.0.0 Possible Values: Any in IP address format show eia232 ppp dhcpsubnet Returns the current PPP/DHCP related Subnet Mask.
  • Page 75 Accessibility: READ ONLY Default: 0 Possible Values: 0 to 4294967296 Note This number increments with each LCP Echo Requests received from the PPP client. show eia232 ppp peeripaddruseena Returns the current setting of the Peer IP Addressing Use Enable fea- ture.
  • Page 76 interface. Accessibility: READ ONLY show eia ppp rxaccm Receive Async-Control Character Map show eia ppp txaccm Transmit Async-Control Character Map show eia232 ppp userauthprot Returns the current User Authentication Protocol setting. Accessibility: READ ONLY show eia232 rawtcp_telnet Returns Raw-TCP/Telnet Help Menu. Accessibility: N/A Default: N/A Valid Entries: N/A...
  • Page 77 show eia232 rawtcp_telnet remip Returns current Remote IP Address setting. Accessibility: READ ONLY show eia232 rawtcp_telnet remport Returns current Remote Port setting. Accessibility: READ ONLY show eia232 rawtcp_telnet rempwd Returns current Remote Password setting. Accessibility: READ ONLY show eia232 rawtcp_telnet remuserid Returns current Remote User ID setting.
  • Page 78 show system all Returns all current System settings. Accessibility: READ ONLY show system bootmessdispena Returns current Boot Message Display Enable setting. Accessibility: READ ONLY show system defgatewayactive Default Gateway Active show system defgatewaycfg Default Gateway Configured show system dhcpena Returns current DHCP Enable setting. Accessibility: READ ONLY show system dhcpstate Returns current DHCP client state.
  • Page 79 Returns the current active IP address for the Model 2120 unit. Accessibility: READ ONLY Note This will be the same as the 2120 unit IP Address configured with the "configure system ipaddrcfg X" command or obtained by an active DHCP Server on the LAN.
  • Page 80 Returns current system command prompt setting. Accessibility: READ ONLY show system subnetactive Returns current active Subnet Mask for the Model 2120 unit. Accessibility: READ ONLY show system subnetcfg Returns current Subnet Mask configured for the Model 2120 unit.

  • Page 81: Pin Configurations

    APPENDIX C PIN CONFIGURATIONS EIA - 232 DIRECTION STANDARD SETTING DIRECTION 1 - (FG) Frame Ground ------ 2 - (TD) Transmit Data Input 3 - (RD) Receive Data Output 4 - (RTS) Request to Send Input 5 - (CTS) Clear to Send Output 6 - (DSR) Data Set Ready Output...
  • Page 82 Notes _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________...
  • Page 83 Notes _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________...
  • Page 84 Notes _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ Copyright © 1998, 2001, 2006 Patton Electronics All Rights Reserved.

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