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34

Chapter 9 

  

Modem Emulation

 

application if the remote side closes the TCP connection. 

In Diagram B, two Digi device servers will replace modems on both sides of 
the connection.  The initiation of the connection occurs with either of the 
Digi device servers.  If both ends are Digi device servers, the TCP listening 
port number is 50001 for port 1.  An example of the connection command is 

ATDT 192.168.25.30:50001

.  Upon establishing a successful TCP 

connection, a CONNECT message is sent to the serial port and only then 
does the Digi device server switch from AT command mode to data mode.  
After the CONNECT is received, the transmission of data begins.  Using 
the modem escape sequence or dropping DTR on either side terminates 
the connection.

Modem emulation has the ability to communicate to an infinite number of 
other devices. 

Modem Emulation Cable Signals

Use the following signal assignments to make a cable connecting the Digi 
device server to a serial device. 

Note:

DSR and DTR on the serial device side are connected to the DSR signal of 
the Digi device server.

DIG

I O

NE T

S

DIG

I O

NE T

S

192.168.25.30

Workstation

Digi One TS

#1

Digi One TS

#2

Ethernet

Serial cable

User Scenario-Diagram B

Serial cable

Workstation

Serial Device

Digi Device Server

CTS (in)

RTS (out)

RTS (out)

CTS (in)

DSR (in)

DSR (in)

DTR (out)

DCD (in)

DTR (out)

TX (out)

RX (in)

RX (in)

TX (out)

GND

GND

Содержание One TS W

Страница 1: ...9000329_B Digi TS W Family User Guide ...

Страница 2: ...9000329_B Digi International Inc 2003 All Rights Reserved e Digi logo PortServer Connectware Digi One and RealPort are trademarks or registered trademarks of Digi International Inc ...

Страница 3: ...evice server from a Telnet Session 11 Configuring the device server from the Web Interface 11 Downloading a Configuration File 11 Configuration Prerequisites 12 Accessing the Command Line from a Locally Connected Terminal 12 Log On as Root from the Command Line 12 Accessing the Command Line from a Telnet Session 12 Accessing the Configuration from the Web Interface 12 Chapter 2 Configuring Wireles...

Страница 4: ...ocedure for Command Line 27 Configuring Outbound PPP Connections Command Line 28 Filters for PPP Connections 31 Chapter 7 Modem Emulation Modem Emulation Digi One TS and PortServer TS 2 4 MEI only 33 Common User Scenarios 33 Modem Emulation Cable Signals 34 Originating Answering and Disconnecting Calls 35 Disconnecting Calls Digi Device Server 36 Modem Emulation AT Command Set 37 S Registers 42 Re...

Страница 5: ...Access Restrictions 57 Options for Removing Access Restriction 57 Procedure for Changing a Port s Access Requirements 57 Example 58 Procedure for Changing a User s Access Requirements 58 Example 58 Controlling Access to Outbound Ports 58 Default Access 58 Restricting Access to Outbound Ports 58 CHAP Authentication for PPP Users 58 Controlling Access to the Command Line 58 Autoconnection 58 Method ...

Страница 6: ... Management Components 67 SNMP Management Agent 67 SNMP Traps 67 MIB Support 67 Message Support 68 Supported Traps 68 Configuration Procedure Web Interface 68 Chapter 14 Configuring Users About Configuring Users 69 Configuration Methods 69 Common User Features 69 Configuring a User Web Interface 70 Commands for Configuring a User 70 Chapter 15 Managing the OS and Configuration Upgrading the Firmwa...

Страница 7: ...pter 17 Reference and Certifications Interpreting the LEDs 79 LEDs 79 LED Diagnostics 79 Device Server EIA 232 422 485 Switch Settings 80 RJ 45 Pinouts 80 Standard Models Specifications 81 Certifications 81 FCC Part 15 Class A 81 Radio Frequency Interference RFI FCC 15 105 81 Labeling Requirements FCC 15 19 82 Modifications FCC 15 21 82 Cables FCC 15 27 82 ICES 003 Class B 82 Digi Contact Informat...

Страница 8: ...8 Contents ...

Страница 9: ...mation Step B Set Up the Hardware 1 If the Digi device supports multiple serial port interfaces EIA 232 EIA 422 485 set the interface with the dip switches on the device 2 Connect the device to power and to the network 3 Connect peripherals to serial ports See the Cable Guide on the Software and Documentation CD Step C Install and Setup Digi Port Authority Remote Digi Port Authority Remote is a ut...

Страница 10: ...eless PortServer TS 4 MEI Wireless About This Guide Purpose This guide provides the following Configuration and administration procedures Configuration examples Audience This manual is intended for the person responsible for configuring and administering device server It assumes that this person has experience configuring network devices and is familiar with networking concepts Scope This manual p...

Страница 11: ...e users find it advantageous to configure the device server IP address this way and then use one of the other methods for the rest of the configuration Configuring the device server from a Telnet Session With this method you Telnet to the device server and use the command line to complete configuration tasks The only disadvantage to this method is that you have to configure the device server with ...

Страница 12: ... Accessing the Command Line from a Telnet Session Use this procedure to access the command line and the configuration from a Telnet session This procedure assumes that you have configure the Digi device with an IP address already See Configuring the IP Address on page 19 1 To Telnet to the device server enter the following command from a command prompt on another networked device such as a server ...

Страница 13: ...sticker on the back of the radio Slide radio into slot on top of Wireless device server BEFORE connecting any cables or power supply Only the radio shipped in the box will function with the unit Note Be sure that the grooves on the side of the radio are fit into the notched edges of the Wireless device server Gently push radio into slot fit should be snug WARNING If the power is connected when you...

Страница 14: ...cel and follow the remaining procedure to set up the IP address and configure the device through the web interface 3 Select Discover Digi Device from the CD 4 Select the wireless device and assign the IP address 5 Click Set IP 6 Enter the IP address Subnet and Gateway mask and click OK 7 Select the device and click Configure to launch your browser 8 Enter the username root and password dbps and cl...

Страница 15: ...Chapter 4 Configuring Wireless 15 9 Click Network from the left navigation bar 10 Enter parameters click Apply to save then click Wireless LAN Settings ...

Страница 16: ...16 Chapter 4 Configuring Wireless 11 Enter the parameters and click Apply to save and Advanced Network Settings for more settings ...

Страница 17: ...Chapter 4 Configuring Wireless 17 12 Enter parameters click Apply to save 13 Unplug the Ethernet cable from the device server disconnect the power and power the unit up reboot Configuration is complete ...

Страница 18: ...18 Chapter 4 Configuring Wireless ...

Страница 19: ... Digi devices can use Digi Port Authority Remote and ARP Ping for IP address configuration To determine if you can use these features find the hardware label on your Digi device and then use the table below to determine whether this feature is available Configuring the Ethernet Interface with Digi Port Authority Remote Use this section to configure an initial IP address subnet mask and default gat...

Страница 20: ...eway and then choose OK Digi Port Authority Remote configures the IP address subnet mask and default gateway Configuring the IP Address Using ARP Ping Use this section to configure an IP address by manually updating a server s ARP table and then pinging the Digi device Note The ARP Ping command assigns the IP address you designate but also assigns default subnet mask and gateway addresses It is ne...

Страница 21: ... Ethernet interface enter the following command set config ip ip address where ip address is the IP address for the Ethernet interface Example to Set IP Address set config ip 191 143 2 154 3 To configure a subnet mask enter the following command set config submask mask where mask is the subnet mask for this subnetwork Example to Set Subnet Mask set config submask 255 255 255 0 4 To configure a def...

Страница 22: ... This continues until an address is assigned Procedure To use RARP or DHCP follow these steps 1 Set up an entry for an address on a DHCP or RARP server If you intend to use RealPort do the following Reserve a permanent IP address Record the IP address You will need it when you configure the RealPort driver 2 Power on the device server The DHCP or RARP server assigns the device server an IP address...

Страница 23: ...ystem interfaces that control baud rate parity stop bits and flow control It enables host administrators to do most of the required configuration on the host the system with which the administrator is most familiar It dramatically reduces host CPU overhead because multiple terminal or printer sessions are multiplexed over the same TCP IP connection Configuring the RealPort Software You must instal...

Страница 24: ...24 Chapter 6 Setting Up RealPort ...

Страница 25: ...n page 26 The serial ports can also be changed using the web interface or command line Configuring the Serial Port Settings with the Web Interface 1 Log on to the device by entering the IP address in the URL address bar of your browser Note This procedure can only be used if an IP address has been set 2 Enter the username root and password dbps 3 Click Serial Ports under Configuration 4 Click the ...

Страница 26: ...ce will determine any additional settings and advise you what tab to click next 7 A port profile or port options page will come up and ask for additional parameters if needed Enter the appropriate parameters and click Apply Configuring the Serial Port Settings from the Command Line Use the set ports set line and set flow commands from the Digi One PortServer TS 2 4 Command Reference to set the ser...

Страница 27: ...ollowing command set flow range range flow control scheme where range is the port or ports and flow control scheme is the flow control required for this connection Typically for modem connections RTS and CTS are on Example set flow range 3 ixon off ixoff off rts on cts on See the set flow command in the Digi One PortServer TS Command Reference for more information 3 To configure the baud rate for ...

Страница 28: ...address must be unique That is no other user can be assigned this address and it cannot be the IP address for the Ethernet interface Example set user name pppin localipadr 199 1 1 2 Configuring Inbound PPP Connections Example This example shows a very simple PPP inbound configuration Here are some points on this configuration The port is set up for inbound connections dev min RTS and CTS are used ...

Страница 29: ...n to the modem enter the following command set line range range baud bps where range is the port or ports to configure and bps is the line speed in bits per second Typically you can set this to 115000 bps for modem connections Example set line range 3 baud 115000 4 If you do not want to use the Digi supplied dialer script genmdm and login script loginscript which work for most applications use the...

Страница 30: ...o this request Example set user name pppout localipadr 0 0 0 0 9 To configure a telephone number to dial to reach the outbound user enter the following command set user name name n1 telephone number where name is the user s name and telephone number is the number to dial to reach the user You can enter this number as digits only with dashes separating digits or with commas Example set user name pp...

Страница 31: ... be blocked keepup Causes the idletimeout timer to be reset and a connection maintained Filter that causes the connection to be maintained as long as there is any packet traffic except RIP packets bringup Causes the Digi device to establish a connection Filter that causes an outgoing connection to be ini tiated whenever a packet specifying a particular IP address is handled logpacket Causes the Di...

Страница 32: ...32 Chapter 8 Configuring PPP ...

Страница 33: ...gh on the Digi device server Common User Scenarios The Digi device server in modem emulation mode allows for the easy replacement of modems in almost any environment where there is a LAN or WAN In Diagram A the Digi One TS replaces a modem connected to a workstation running an application The Digi One TS allows for the use of software applications without modification by responding to all the AT c...

Страница 34: ...to data mode After the CONNECT is received the transmission of data begins Using the modem escape sequence or dropping DTR on either side terminates the connection Modem emulation has the ability to communicate to an infinite number of other devices Modem Emulation Cable Signals Use the following signal assignments to make a cable connecting the Digi device server to a serial device Note DSR and D...

Страница 35: ...port 2 listens on TCP port 50002 Serial port 3 listens on TCP port 50003 Serial port 4 listens on TCP port 50004 Disconnecting Calls The TCP connection disconnects by either dropping the DTR signal on the serial port or sending the escape sequence P P to the Digi device Application AT Com mand Digi Device Server Response Notes AT F OK AT command request to restore defaults to factory set tings Dig...

Страница 36: ...ter 9 Modem Emulation server P represents a one second pause Disconnecting Calls Digi Device Server The Digi device server sends a NO CARRIER response to the serial port when the network connection is dropped ...

Страница 37: ... modem will respond with the NO CARRIER result code Dial Modifiers The valid dial string parameters are described below Punc tuation characters may be used for clarity with parentheses hyphen and spaces being ignored ATEn Command echo The Digi Device Server enables or disables the echo of characters to the DTE according to the parameter supplied The parameter value if valid is written to S14 bit 1...

Страница 38: ...ack to the remote modem after an escape O1Same as above OKn 0 or 1 and a connection exists ERROR Otherwise or if not connected ATP Accepted but ignored OK ATQn Quiet Results Codes Control command The command enables or disables the sending of the result codes to the DTE according to the parameter supplied The parameter value if valid is written to S14 bit 2 Q0 Enables result code to the DTE Defaul...

Страница 39: ...hang up Auto answer is inhibited Default D3DTR drop causes the modem to perform a soft reset as if the Z com mand were received The Y setting determines which profile is loaded OK n 0 to 3 ERROR Otherwise AT Fn Restore Factory Configuration Profile The Device Server loads the factory default configuration profile The fac tory defaults are identified for each command and in the S Register descrip t...

Страница 40: ...d will turn OFF only if required by flow control R2CTS follows RTS OK n 0 or 1 ERROR Otherwise AT Sn DSR Override This command selects how the modem will control DSR The parameter value if valid is written to S21 bit 6 S0DSR will remain ON at all times Default S1DSR will become active after answer tone has been detected and inac tive after the carrier has been lost OK n 0 or 1 ERROR Otherwise AT T...

Страница 41: ... subsequent data connection N0 Selects normal speed buffered mode N1 Serial interface selected Selects direct mode N2 Accepted but ignored N3 Accepted but ignored N4 Accepted but ignored N5 Accepted but ignored OK n 0 to 5 ERROR Otherwise AT Vn Accepted but ignored OK n 0 or 1 ERROR Otherwise AT MS Accepted but ignored OK AT MI Accepted but ignored OK AT Cn Accepted but ignored OK n 0 to 3 ERROR O...

Страница 42: ...trol character if verbose result codes are used 0 127 ASCII 10 S5 Backspace Character Sets the character recognized as a backspace Pertains to asynchronous operation only The modem will not recognize the Backspace char acter if it is set to a value that is greater than 32 ASCII This character can be used to edit a command line When the echo command is enabled the modem echoes back to the local DTE...

Страница 43: ...Qn 0 Send result codes Q0 Default 1 Do not send result codes Q1 Bit 3Result codes Vn 0 Numeric V0 1 Verbose V1 Default Bit 4Reserved Bit 5Tone T Pulse P 0 Tone T Default 1 Pulse P Bit 6Reserved Bit 7Originate Answer 0 Answer 1 Originate Default 138 8Ah S15 Reserved S16 Accepted but ignored 0 S17 Reserved S18 Accepted but ignored 0 255 s 0 S19 Accepted but ignored 0 S20 Accepted but ignored 0 255 0...

Страница 44: ...ed Bit 2CTS behavior Rn 0 CTS tracks RTS R0 1 CTS always on R1 Default Bits 3 4DTR behavior Dn 0 D0 selected 1 D1 selected 2 D2 selected Default 3 D3 selected Bit 5RLSD DCD behavior Cn 0 C0 selected 1 C1 selected Default Bit 6DSR behavior Sn 0 S0 selected Default 1 S1 selected Bit 7Long space disconnect Yn 0 Y0 Default 1 Y1 52 34h S22 Accepted but ignored 117 75h Register Function Range Units Save...

Страница 45: ...ore DTR for taking the action specified by Dn Its units are seconds for synchronous modes and one hundredths of a second for other modes 0 255 s or 0 01 s 5 S26 RTS to CTS Delay Sets the time delay in hundredths of a second before the modem turns CTS ON after detect ing an OFF to ON transition on RTS when R0 is commanded Pertains to synchronous opera tion only 0 255 0 01 s 1 S27 General Bit Mapped...

Страница 46: ...upport enabled 2 Transmit Telnet support enabled 3 Receive and Transmit Telnet support enabled 0 S38 Accepted but ignored 0 255 s 20 S39 Flow Control Bit Mapped Options Status Default 3 00000011b Bits 0 2Status of command options 0 No flow control 3 RTS CTS K3 Default 4 XON XOFF K4 5 Transparent XON K5 6 Both methods K6 Bits 3 7Reserved 3 S40 Accepted but ignored 104 68h S41 Accepted but ignored 1...

Страница 47: ...0 91 CONNECT 31200 2 RING 15 CONNECT 14400 165 CONNECT 32000 3 NO CARRIER 16 CONNECT 19200 166 CONNECT 34000 4 ERROR 17 CONNECT 38400 167 CONNECT 36000 5 CONNECT 1200 18 CONNECT 57600 168 CONNECT 38000 6 NO DIALTONE 19 CONNECT 115200 169 CONNECT 40000 7 BUSY 20 CONNECT 230400 170 CONNECT 42000 8 NO ANSWER 59 CONNECT 16800 171 CONNECT 44000 9 CONNECT 0600 61 CONNECT 21600 172 CONNECT 46000 10 CONNE...

Страница 48: ...48 Chapter 9 Modem Emulation ...

Страница 49: ...Select Serial Ports under Configuration 4 Click Change Profile under Port Profile 5 Click the profile based on the device connected to your port Use the online help for more information Note TCP Sockets is the Autoconnection profile 6 To return to the main Ports menu choose Ports from the Menu again Commands for Configuring Autoconnection by Port or by User See the complete list of commands in the...

Страница 50: ...rver IP address in a browser s URL window 2 Log on to the device server as root The default password is dbps 3 Click Serial Ports 4 Click the port number you wish to configure 5 Click Change Profile 6 Select TCP Sockets and click Apply 7 Enter the parameters for the appropriate connection Use the context sensitive Help for additional information Configuring UDP Multicast The Digi One and PortServe...

Страница 51: ...s dbps 3 Click Serial Ports 4 Click the port number you want to configure 5 Click Change Profile and select UDP Socket Note The serial parameters for two connecting devices must match meaning if one device is set for 9600 bps the other device must be set for the same rate 6 Fill in the requested information and click Apply to save the settings 7 Repeat these steps until you have added the necessar...

Страница 52: ...52 Chapter 10 Configuring Autoconnection ...

Страница 53: ...ess of the device that is the next hop to the destination Example Route Using the Ethernet Interface In this example a route to a subnet is created over the Ethernet interface Key features include the following The address on the net field is a subnetwork address not the IP address of a specific device The wannane ether indicating that this route is over the Ethernet interface The metric field ind...

Страница 54: ...h routed packets and RIP updates will be sent To enable routing over the LAN to which device server is attached no routing specific configuration is required To enable routing over PPP links be sure to use the netrouting field on the set user command to configure how device server handles RIP updates You can configure the link so that device server does any of the following with RIP updates Both s...

Страница 55: ...es and filters for routes that use serial lines Procedure 1 Configure the links over which packets will be routed using a set user command This command must specify on the ipaddr field a specific IP address for the remote system using the Proxy ARP service 2 Configure device server for Proxy ARP by supplying a set forwarding command that specifies the following state passive proxyarp on Example In...

Страница 56: ...56 Chapter 11 Configuring IP Routing ...

Страница 57: ...of controlling access to inbound serial ports An inbound port is one defined on the dev field of the set ports command for one of the following device types term used to define terminal connections min used to define incoming modem connections mio used to define bi directional modem connections hdial hio used to define computer connections Default Access Restrictions The default configuration for ...

Страница 58: ...t used to define host connections ia Default Access The default for outbound ports is unlimited access Restricting Access to Outbound Ports Use the set auth command to restrict access to outbound ports See the description of the set auth command in the Digi One PortServer TS Command Reference for more information CHAP Authentication for PPP Users CHAP authentication can be used to restrict PPP use...

Страница 59: ... that you have signed on as root and already configured the user to whom you will be issuing a password The Advanced tab under User allows you to set Escape characters for Connect Telnet Rlogin and Kill as well as an SSH Public Key Click Apply to save the settings Procedure 1 Issue a newpass command that identifies the user on the name field to whom this password will be issued 2 When the system p...

Страница 60: ... implementation requires a complete path to the file specify the path here as well Example set user name secure loadkey 143 191 2 34 ssh file Making Reverse SSH Connections to Ports The convention used to identify a port for a reverse SSH connection to a Digi device is to use 2500 the port number See the examples that follow for more information Example Reverse SSH Connection to Port 1 ssh 192 1 2...

Страница 61: ...you can select services to turn off The default service level is normal which means that all services are available Procedure Use this topic for information on using the web interface to turn services off 1 Access the device server from a web browser by entering the Digi device s IP address in the URL window 2 Log on as root The default password is dbps 3 Click Security under Configuration 4 Selec...

Страница 62: ...62 Chapter 12 Configuring Security Features ...

Страница 63: ...odbus TCP and two other methods of transport over a network TCP socket and UDP socket communication The implementation enables multiple network based masters to concurrently initiate communication with serial based slaves using any of the supported network protocols Modbus Configuration Procedure Use the setia command from the See the Digi One PortServer TS Command Reference for information Config...

Страница 64: ... Configure the serial port for serial communication parameters baud rate data bits parity and stop bits required by the connected IA device Choose User defined as the serial port protocol If you configure the port for a slave you do not have to configure a network based master Communication with the master just works If the master is connected to a serial port it must be configured however If you ...

Страница 65: ...eturn information to users Cache information for future use Types of Name Servers There are two types of name servers in the domain name system Local servers maintain information for resources within a local zone It is up to individual network administrators to determine the scope of a local zone Root servers maintain information in higher level domains than do local servers Typically when a user ...

Страница 66: ... the IP address of a name server Example set config domain digi com myname poe dns 204 221 1 4 Procedure for Using a Host File Use this section to configure the host table which maps IP addresses to host names Enter the following command set host name name ip ip address where name is the name the host ip address is the IP address of the host Example In this example three IP address to name mapping...

Страница 67: ...on and communicate this information to network managers The network management protocol SNMP which governs the exchange of information between the nodes and stations Management information which is the database of information about managed objects This database is called the management information base MIB SNMP Management Agent Each managed node contains at least one agent a component that respond...

Страница 68: ...d MIBs GetNext which means retrieve the value of the next object in the MIB Trap which means send traps to the manager when a particular type of significant event occurs Supported Traps The agent can send traps when any of the following occur Cold starts device server initializes Authentication failures Login attempts Configuration Procedure Web Interface 1 Access the web interface by entering the...

Страница 69: ...er 16 C o n f i g u r i n g U s e r s Feature Description set user Field autoconnect Automatically connects the user to the host specified on the autohost field using the service TCP port defined on the autoport or autoservice fields Autoconnection can also be implemented by port instead of by user This feature is configurable from the web interface autoconnect autohost autoport autoservice Defaul...

Страница 70: ...e are no parmeters to set Click Finish if user name is correct 8 Click Finish to save settings Note To edit a user go to the Users page and click on the user name you wish to edit enter the parameters and click Apply The Advanced tab under User allows you to set Escape characters for Connect Telnet Rlogin and Kill as well as an SSH Public Key Click Apply to save the settings Commands for Configuri...

Страница 71: ...pdated Command Line If you want to use the command line to upgrade firmware use the boot command See the Digi One PortServer TS Command Reference for more information Copying the Configuration to and from a Remote Host This section discusses copying the configuration to a remote host and from a remote host which means you can configure the Digi device remotely by entering commands in a text file a...

Страница 72: ...rom the main menu choose Admin TFTP CpConf 5 Choose either Copy configuration to a TFTP server or Copy configura tion from a TFTP server 6 Specify an IP address and a file name and then choose Submit 7 Follow the prompts to complete this task Command Line If you want to use the command line to copy the configuration to and from a remote host use the cpconf command See the Digi One PortServer TS Co...

Страница 73: ... revert command to reset the configuration to factory defaults or the latest version stored in NVRAM See the Digi One PortServer TS Command Reference for complete information Note You can also use the range field on this command to define a range of ports with the serial port line flow keys and login options ...

Страница 74: ...74 Chapter 17 Managing the OS and Configuration ...

Страница 75: ...s the source of power power out on any port but you may not use both DTR and RI on the same port Pinout information RI is pin 1 DTR is pin 9 RI signaling is lost when the pin is used for power Configuring RI Power RI Power In Ring Indicator RI power in accepts power into the Digi device server only on port one Power in is available using the RI pin The Digi device requires power in the range of 9 ...

Страница 76: ...r both power in and power out Configuring DTR Power Power Out Data Terminal Ready DTR power out is the factory default on the Digi device server Total power budget for this feature is one watt not to exceed 9 volts up to 100mA to any single port 1 Set the port DIP switches to EIA 232 switch 1 is up 2 3 and 4 are down to enable DTR power 2 Open the port and set DTR high If you are having trouble wi...

Страница 77: ...ve the status of the circuitbreaker state Serial Power Table Use this table for summary information for a serial power setup Quick Summary Table for Setup of Serial Power DTR Power RI Power OUT OUT IN Switch Settings DTR setting DTR ON DTR OFF DTR OFF Ports Allowed 1 2 3 4 1 2 3 4 unless port 1 is used for power in 1 Jumper Pin Settings P 6 jumper on pins 2 3 Factory Default P 6 jumper on pins 2 3...

Страница 78: ...78 Chapter 18 Configuring Power Over the Serial Ports ...

Страница 79: ...lates to brightness or dimness of the light Status Link Green On Physical network detected Off No physical network detected ACT Yellow On Bad initialization Off Ready Blinking Network activity LED Activity Indication 1 1 1 pattern Starting the EOS 1 3 1 pattern TFTP boot process started 1 5 1 pattern Tells you that configuration has been return to the factory configuration See Managing the OS and ...

Страница 80: ...s For total isolation from electrical shock and energy hazard disconnect both power inputs The device is intended to be mounted in an indoor only type system Function Switch Settings 1 2 3 4 EIA 232 Up Down Down Down EIA 422 485 Full duplex Down Up Down If up termination If down no termination EIA 485 half duplex Down Down Up RJ 45 Pin EIA 232 EIA 422 485 Full Duplex EIA 485 Half Duplex 1 RI TxD T...

Страница 81: ...ntee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try and correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment a...

Страница 82: ...ent Cables FCC 15 27 Shielded cables must be used to remain within the Class A limitations ICES 003 Class B This digital apparatus does not exceed the Class B limits for radio noise emissions from digital apparatus set out in the Radio Interference Regulations of the Canadian Department of Communications Le present appareil numerique n emet pas de bruits radioelectriques depassant les limites appl...

Страница 83: ...Chapter 19 Reference and Certifications 83 Digi Contacts World Wide Web http digi com email digi info digi com Telephone U S 1 952 912 3444 Telephone other locations 011 952 912 3444 ...

Страница 84: ...84 Chapter 19 Reference and Certifications ...

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