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Overview

45

Model 2285 Getting Started Guide

4 • Serial port configuration

Overview

The serial port configuration capability allows the user to configure the host mode of each port, serial commu-
nication parameters, cryptography, port logging parameters and other related parameters.

The serial port’s host mode can be set as any of the following:

•

TCP

: The Model 2285 operates as a TCP server and client. If the connection is not established, it accepts

all incoming connections from any registered remote hosts and connects to the registered remote hosts if
there is any data from the serial devices. Otherwise, it will send data back and forth. In summary, the Model
2285 will work as if it is virtually connected to the remote host.

•

UDP

: The UDP mode operation is similar to that of TCP mode except that it is based on UDP protocol.

•

Modem emulation

: Select this mode when the serial device becomes ready to support modem AT com-

mands or users want to perform the session control by using AT commands. Only TCP session
is supported.

With the port-logging feature while in console server mode, the data sent through the serial port is transferred
to MEMORY or NFS server’s storage. The user can also define keywords for each serial port that will trigger an
email or SNMP trap notification. This will enable the user to monitor the data from the attached device.

Using MEMORY to store data will result in loss of all information when the Model 2285 is turned off. Use the
NFS server to preserve the serial port log data.

The serial ports can be configured individually or all at once.

Table 5

on page 45 summarizes the configuration

parameters related to the serial port configuration.

Table 5. Serial port configuration parameters

All serial

ports setting

Or

Port Enable/Disable
Port title

Host mode

TCP

Port number
User authentication
Telnet support
Max allowed connection
Cyclic connection
Inactivity timeout (0 for unlimited)

UDP

Port number
Max allowed connection
Inactivity timeout (0 for unlimited)
Accept unlisted
Send unlisted

Modem emulation

Remote host

a

Add or Edit a remote host

b

• Host IP address
• Host port
• Backup host IP address
• Backup host port
Remove a remote host

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Содержание EtherBITS 2285

Страница 1: ...ort 1 301 975 1007 E mail support patton com WWW www patton com Document Number 08313U2 001 Rev B Part Number 07M2285 UM Revised October 8 2007 Important This is a Class A device and is intended for u...

Страница 2: ...epair or replace the product should it fail within one year from the first date of the shipment This warranty is limited to defects in workmanship or materials and does not cover customer damage abuse...

Страница 3: ...on 44 5 System administration 71 6 System statistics 80 7 CLI guide 87 8 Contacting Patton for assistance 90 A Compliance information 93 B Specifications 95 C Cable Recommendations 99 D Configuration...

Страница 4: ...tion 16 Glossary 17 MAC address 17 Host 17 Session 17 Client Server 17 Acronyms 18 2 Getting started 19 Introduction 20 Unpacking the Model 2285 20 Controls and indicators 20 Connecting the hardware 2...

Страница 5: ...server configuration 41 Locating server communication protocol 41 NFS server configuration 42 TCP service configuration 42 4 Serial port configuration 44 Overview 45 Serial Port Configuration 47 Port...

Страница 6: ...em utilities 88 Network utilities 88 Accessing CLI 88 8 Contacting Patton for assistance 90 Introduction 91 Contact information 91 Patton support headquarters in the USA 91 Alternate Patton support fo...

Страница 7: ...Serial wiring diagram 102 RS 232 serial wiring diagram 102 RS 422 485 serial wiring diagram 103 D Configuration files 104 port1 conf 105 filter conf 105 snmp conf 106 E Well known port numbers 107 Int...

Страница 8: ...t parameters 47 21 Serial port enable disable 48 22 Port title configuration 48 23 Host mode configuration TCP mode 49 24 State Transition Diagram of TCP mode 52 25 Host mode configuration UDP mode 53...

Страница 9: ...ation type and DIP switch configuration 101 58 Ethernet direct connection using crossover Ethernet cable 102 59 Ethernet connection using straight through Ethernet cable 102 60 RS 232 wiring diagram 1...

Страница 10: ...al port configuration parameters 45 6 AT commands supported in the Model 2285 55 7 AT commands Response Code 56 8 Default value of S Registers 57 9 Pin assignment of the RJ45 connector for Ethernet 10...

Страница 11: ...pter 4 on page 44 describes configuring the serial port Chapter 5 on page 71 describes configuring the system administration Chapter 6 on page 80 describes using system statistics Chapter 7 on page 87...

Страница 12: ...heading indicate a potential haz ard Strictly follow the instructions to avoid property damage The shock hazard symbol and CAUTION heading indicate a potential electric shock hazard Strictly follow t...

Страница 13: ...are accessible from any host Serial port 9600 data rate 8 bits no parity 1 stop bit no flow control Hazardous network voltages are present in WAN ports regardless of whether power to the unit is ON or...

Страница 14: ...ec tion heading Clicking on the hyperlink jumps you to the reference When you have finished reviewing the reference click on the Go to Previous View button in the Adobe Acrobat Reader toolbar to retur...

Страница 15: ...15 Chapter 1 Overview Chapter contents Introduction 16 Glossary 17 MAC address 17 Host 17 Session 17 Client Server 17 Acronyms 18...

Страница 16: ...ways such as telnet SSH serial console port or web You can configure and administrate the Model 2285 with the management functions of status monitor remote reset error log monitor and firmware upgrad...

Страница 17: ...eractions between two communication end points that occur during the span of a single connection Typically one end point requests a connection with another specified end point If the specified end poi...

Страница 18: ...Dynamic Host Configuration Protocol SMTP Simple Mail Transfer Protocol FTP File Transfer Protocol PPP Point To Point Protocol PPPoE Point To Point Protocol over Ethernet HTTP HyperText Transfer Proto...

Страница 19: ...odel 2285 20 Controls and indicators 20 Connecting the hardware 22 Connecting to the network 23 Connecting to the device 23 Connecting power 23 Accessing the System Console 24 Using the System console...

Страница 20: ...rd hereafter NIC and or one RS 232 serial port Unpacking the Model 2285 Inspect the shipping carton for external damage Note any damage before removing the container contents Report equipment damage t...

Страница 21: ...serial communication port see figure 2 Refer to sec tion Serial port parameters on page 63 and Appendix C on page 99 for more detailed information on the serial communication type and its connection...

Страница 22: ...Model 2285 to an Ethernet hub or switch Connect the device Connect the provided power source to the Model 2285 Table 2 Model 2285 LEDs Lamps Function Status PWR Turned on to RED if power is supplied L...

Страница 23: ...d connect the serial cable to the serial port of user s computer first And push the Console Data switch to the Console side And also set the posi tion of DIP switches see figure 2 on page 21 for seria...

Страница 24: ...et Explorer or Netscape Navigator The above methods require user authentication by the Model 2285 system Using the System console 1 Connect one end of the console cable to the console port on the Mode...

Страница 25: ...n help display this exit exit ________________________________________________________________________________ COMMAND Display HELP help Enter _ _______________________________________________________...

Страница 26: ...the command line interface of user s computer telnet 192 168 161 5 Or run a Telnet program with the parameters shown in figure 4 Figure 4 Telnet program set up example TeraTerm Pro 2 The user must log...

Страница 27: ...enticate themselves by logging into the sys tem with a correct user name and password The factory default settings are Login root Password superuser Note Before accessing the Model 2285 Web management...

Страница 28: ...page will allow the user to Save Save apply or Cancel their actions After changing the configuration parameter values the users must select Save to save the changed parameter values to the non volati...

Страница 29: ...s Configuration 33 Access Control Configuration 34 Trap Receiver Configuration 34 Management using SNMP 35 Dynamic DNS Configuration 35 SMTP Configuration 37 IP Filtering 38 Interface 38 Option and IP...

Страница 30: ...ic IP address of 192 168 161 5 Table 3 shows the configuration parameters for all three IP configurations Figure 7 shows the actual web based GUI to change the user s IP configuration Figure 7 IP conf...

Страница 31: ...IP address of the default gateway computer to communicate with hosts outside the local network environ ment Refer to the network administrator for a valid gateway IP address Primary and Secondary DNS...

Страница 32: ...t the procedure to request a new IP address from the DHCP server Note While in DHCP mode all network related parameters for the Model 2285 are to be configured automatically including the DNS servers...

Страница 33: ...tables of information and security functions With the SNMP configuration panel the user can configure MIB II System objects access control settings and TRAP receiver settings The manager configured in...

Страница 34: ...information as such it provides a means whereby all authentication failure traps may be disabled EnableLoginTrap Indicates whether the SNMP agent process is permitted to generate system login traps fo...

Страница 35: ...SNMP browser with MIB II OIDs of the Model 2285 SNMP agent Dynamic DNS Configuration When users connect the Model 2285 to a DSL line or use a DHCP configuration the IP address might be changed whenev...

Страница 36: ...s the user must set up an account in their Members NIC Network Information Center http members dyndns org The user may then add a new Dynamic DNS Host link after logging in to their Dynamic DNS Networ...

Страница 37: ...hen an alarm message is created due to an issue with serial port data The user must configure a valid SMTP server send these automatically generated emails The Model 2285 supports three SMTP server ty...

Страница 38: ...access using an IP address based filtering method see figure 13 The users can allow one of the following scenarios by changing the parameter settings Any host cannot access a specific service of the M...

Страница 39: ...Telnet SSH HTTP HTTPS or each serial port Chain rule Set the basic rule for the host to access the Model 2285 as one of Accept or Drop Figure 14 IP filtering configuration for each service and serial...

Страница 40: ...SYSLOG server configuration is properly set up the user may con figure the storage location for the system log or port data log of the Model 2285 as SYSLOG server For more information about the confi...

Страница 41: ...ature is configured as Disabled Figure 16 Locating server configuration Locating server communication protocol When the Model 2285 sends its IP address information to the locating server data format w...

Страница 42: ...server must be configured as read and write allowed If there is a firewall between the Model 2285 and the NFS server there must be a rule that allows all outgoing and incoming packets to travel acros...

Страница 43: ...ep alive probes This represents how many keep alive probes will be sent to the remote host until it decides that the connection is dead Multiplied with the TCP keep alive intervals this gives the time...

Страница 44: ...8 Host Mode Configuration 48 TCP mode 49 UDP mode 53 Modem emulation mode 54 Remote host configuration 58 Cryptography configuration 60 Secure Sockets Layer SSL cryptography method 60 RC4 cryptography...

Страница 45: ...AT commands Only TCP session is supported With the port logging feature while in console server mode the data sent through the serial port is transferred to MEMORY or NFS server s storage The user can...

Страница 46: ...Display port log Port event handling Enable Disable port event handling Notification interval Email notification Enable Disable Email notification Subject of Email Recipient s Email address SNMP noti...

Страница 47: ...y page user can find which host mode local port number and serial port parameters are currently configured User can configure port parameters by clicking number or title of corresponding serial port s...

Страница 48: ...e Three host modes are available TCP mode The Model 2285 works as both TCP server and client This mode works for most applications since it will transfer the data either from serial port or from TCP p...

Страница 49: ...changed to Listen mode Sync Received The state is changed from Listen to Sync Received if one of the remote hosts has sent a connection request If the Model 2285 accepts the request the state is chan...

Страница 50: ...not been established yet If the Model 2285 succeeds in connecting to the remote host the data in the serial port buffer will be transferred to the host Otherwise all the data stored in the buffer will...

Страница 51: ...number of connection will be reduced Max allowed connection remote host s connected already For example if user set Max allowed connection as 8 and if there are 3 connections from Model 2285 to remote...

Страница 52: ...lly Figure 24 shows the State Transition Diagram of the session operations in TCP mode Figure 24 State Transition Diagram of TCP mode Inactivity Timeout When Inactivity Timeout function is enabled con...

Страница 53: ...transfers the data through the serial port Otherwise the Model 2285 discards the incoming UDP datagram But user can force Model 2285 accept all incoming UDP datagram regardless remote host configurat...

Страница 54: ...te host again Namely Inactiv ity Timeout in UDP mode is the time maintained recent unlisted remote host list by Model 2285 Note If user set Inactivity Timeout as 0 in UDP mode Model 2285 does not allo...

Страница 55: ...permitted from 1 to 65534 e g atdtps patton com 1002 Connect to domain address ps patton com port 1002 If successful CONNECT CR LF If failure in connection NO CARRIER CR LF If other errors ERROR CR LF...

Страница 56: ...able 4 4 Changed values are not preserved if the power is off AT Cn AT Wn AT Zn x Factory default response is ERROR This can be changed to OK by user configuration Figure 4 8 ERROR CR LF or OK CR LF A...

Страница 57: ...carrier signal ERROR 4 Invalid command Table 8 Default value of S Registers Index Default Value Index Default Value Index Default Value 0 1 0 2 43 3 13 4 10 5 8 6 2 7 30 8 2 9 6 10 14 11 100 12 50 13...

Страница 58: ...e response as one of OK or ERROR Command echo delay ms AT commands that are entered by user can be echoed with a delay specified in this menu This is useful if user uses modem emulation mode in RS485...

Страница 59: ...remote connections In UDP mode user can only configure a primary remote host because there is no way for Model 2285 to check status of primary remote host so secondary remote host is meaningless The...

Страница 60: ...ks SSL is a trans port layer security protocol layered between application protocols and TCP IP To initiate SSL sessions exchange of messages called the SSL handshake is required between two devices S...

Страница 61: ...case the client sends both the signed data and the client s own certificate to the server along with the encrypted premaster secret 6 If the server has requested client authentication the server attem...

Страница 62: ...as a SSL server or as a SSL client depending on status of TCP mode If TCP connec tion with SSL is initiated from remote host first Model 2285 acts as a SSL server during the SSL handshake process On t...

Страница 63: ...tact the Patton Technical support Serial port parameters To connect the serial device to the Model 2285 serial port the serial port parameters of the Model 2285 should match exactly to that of the ser...

Страница 64: ...power is on may cause damage to the device If the DIP switches are set incorrectly the Model 2285 will display Invalid for the UART type on the UI as shown on Figure 33 which will hinder communication...

Страница 65: ...signal whereas the DSR is a read only input signal in the Model 2285 The DTR option can be set to one of three types always high always low or high when TCP UDP is opened If the DTR behavior is set t...

Страница 66: ...via TCP IP only if the internal buffer is full or if the inter character time interval reaches the time specified in the inter character timeout setting If inter character timeout is set at 0 then da...

Страница 67: ...g Enable Disable modem parameter as Enabled Model 2285 sends modem initialization string to the serial port whenever rising edge of DTR pin is detected or parameter related with serial port configurat...

Страница 68: ...e location The port log data can be stored to the Model 2285 internal memory or the mounting point on an NFS server If the internal memory is used to store port log data the port log data will be clea...

Страница 69: ...f the TCP connection between the Model 2285 and remote hosts could be monitored and managed as well Each reaction can be configured individually upon each event Reaction can be an email delivery SNMP...

Страница 70: ...t of SNMP trap that will be sent by Model 2285 when pre defined keyword is detected SNMP trap receiver s IP address This parameter sets the IP address of SNMP trap receiver that will receive SNMP trap...

Страница 71: ...5 System administration Chapter contents Introduction 72 System Logging 72 Change Password 73 Device Name Configuration 74 Date and Time Settings 74 Factory Reset 75 Firmware Upgrade 76 User administ...

Страница 72: ...web interface remote consoles or serial console Figure 38 System status display System Logging The Model 2285 provides both the system logging feature and the system log status display The user may c...

Страница 73: ...These parame ters would include the number of logs required to trigger an email the recipient s email address etc Figure 39 shows the configuration and system log view screen Change Password The pass...

Страница 74: ...If user sets blank as Device name then hostname is set as IP address of Model 2285 automatically And also the device name is utilized for management program Model 2285 Manager Date and Time Settings...

Страница 75: ...h reboot If the NTP server is set to 0 0 0 0 the Model 2285 will use the default NTP servers In this case the Model 2285 should be connected from the network to the Internet The user may also need to...

Страница 76: ...upload the selected version 3 Once the upgrade has been completed the system will reboot to apply the changes Figure 45 Firmware upgrade To use either a remote or serial console to upgrade your firmwa...

Страница 77: ...__ COMMAND Display HELP help 3 _ System administration ____________________________________________________ 1 System status 2 System logging 3 Device Name Model 2285 4 Date and time 5 Change password...

Страница 78: ...the system will reboot to apply the changes 6 If the firmware upgrade fails the Model 2285 will display error messages as shown below It will also main tain the current firmware version _ Firmware up...

Страница 79: ...user for serial port he can also assign permissible serial ports to the user selectively as shown on figure 47 Figure 47 Port user administration Note System user root cannot access serial ports unles...

Страница 80: ...80 Chapter 6 System statistics Chapter contents Introduction 81 Network Interfaces Statistics 81 Serial Ports Statistics 81 IP Statistics 82 ICMP Statistics 84 TCP Statistics 85 UDP Statistics 86...

Страница 81: ...serial ports IP ICMP TCP and UDP statistics display usages of four primary components in the TCP IP protocol suite Network Interfaces Statistics Network interfaces statistics displays basic network i...

Страница 82: ...umber mismatch other format errors time to live exceeded errors discovered in pro cessing their IP options etc InAddrErrors Specifies the number of datagrams received that have address errors These da...

Страница 83: ...them to the destination IP address These datagrams were discarded This counter includes any packets counted in Datagrams Forwarded that meet this no route criterion ReasmTimeout Specifies the amount o...

Страница 84: ...ceeded message is sent to the originating computer when a datagram is discarded because the number of routers it has passed through exceeds its time to live value InParmProbs OutParmProbs Specifies th...

Страница 85: ...an address mask request to determine the number of bits in the subnet mask for its local subnet InAddrMaskReps OutAddrMaskReps Specifies the number of address mask responses received or sent A compute...

Страница 86: ...ted segments RetransSegs Specifies the number of segments retransmitted RetransSegs Specifies the number of errors received OutRsts Specifies the number of segments transmitted with the reset flag set...

Страница 87: ...apter 7 CLI guide Chapter contents Introduction 88 Flash partition 88 Supported Linux Utilities 88 Shell shell utilities 88 File and disk utils 88 System utilities 88 Network utilities 88 Accessing CL...

Страница 88: ...flash memory area of the Model 2285 This will result in the changes being kept after the reboot sequence Invalid configuration changes can affect the Model 2285 behavior At worst it may cause the Mode...

Страница 89: ...el 2285 Getting Started Guide 7 CLI guide 5 Login with the Model 2285 root account Telnet console 1 telnet Pro_Series_ip_address SSH console 1 ssh 2 Pro_Series_ip_address Note The Model 2285 only supp...

Страница 90: ...n support headquarters in the USA 91 Alternate Patton support for Europe Middle East and Africa EMEA 91 Warranty Service and Returned Merchandise Authorizations RMAs 91 Warranty coverage 91 Out of war...

Страница 91: ...7 Fax 1 253 663 5693 Alternate Patton support for Europe Middle East and Africa EMEA Online support available at http www patton inalp com E mail support email sent to support patton inalp com will be...

Страница 92: ...ll be issued upon receipt and inspection of the equipment 30 to 60 days We will add a 20 restocking charge crediting your account with 80 of the purchase price Over 60 days Products will be accepted f...

Страница 93: ...93 Appendix A Compliance information Chapter contents EMC Compliance 94 Radio and TV Interference FCC Part 15 94 CE Declaration of Conformity 94 Authorized European Representative 94...

Страница 94: ...to radio or television recep tion which can be determined by disconnecting the cables try to correct the interference by one or more of the following measures moving the computing equipment away from...

Страница 95: ...ndix B Specifications Chapter contents Serial interface 96 Network interface 96 Protocols 96 Security 96 Modem emulation 96 Management 96 Security 97 Diagnostic LEDs 97 Environmental 97 Physical 97 Po...

Страница 96: ...rface 10 100 Base Tx Ethernet with RJ45 Ethernet connector Supports static and dynamic IP addresses Protocols ARP IP ICMP TCP UDP Telnet SSH v2 SSLv3 DNS Dynamic DNS HTTP HTTPS NFS SMTP with without A...

Страница 97: ...sword for console and virtual terminal Sepa rate user selectable passwords for SNMP RO RW strings Access list determining up to 5 hosts networks which are allowed to access management system SNMP HTTP...

Страница 98: ...Power 98 Model 2285 Getting Started Guide B Specifications...

Страница 99: ...e Recommendations Chapter contents Ethernet Pin outs 100 Console and Serial port pin outs 101 Ethernet wiring diagram 102 Serial wiring diagram 102 RS 232 serial wiring diagram 102 RS 422 485 serial w...

Страница 100: ...ure 55 Pin layout of the RJ45 connector The interconnecting cables shall be acceptable for external use and shall be rated for the proper application with respect to volt age current anticipated tempe...

Страница 101: ...t the power of the Model 2285 should be turned off before changing the serial communication type Figure 57 Serial communication type and DIP switch configuration The interconnecting cables shall be ac...

Страница 102: ...nnection using straight through Ethernet cable Serial wiring diagram RS 232 serial wiring diagram Figure 60 RS 232 wiring diagram Rx 3 Rx 6 Tx 1 Tx 2 Rx 3 Rx 6 Tx 1 Tx 2 Model 2285 Remote host Rx 3 Rx...

Страница 103: ...hat coupling of Tx 6 pin and Rx 8 pin Figure 62 RS 422 wiring diagram Termination resistor at Tx side can be omitted if the signal status is good 120 ohm Model 2285 Data Data Device1 Data Data DeviceN...

Страница 104: ...104 Appendix D Configuration files Chapter contents port1 conf 105 filter conf 105 snmp conf 106...

Страница 105: ...1 event event_snmp_enable 0 serial 1 event event_notification_interval 30 serial 1 event event_enable 0 serial 1 hostmode accept_unlisted 1 serial 1 hostmode send_unlisted 1 serial 1 enable 1 serial 1...

Страница 106: ...work snmp powerontrapenable 0 network snmp authtrapenable 1 network snmp linkuptrapenable 0 network snmp logintrapenable 0 network snmp nms 1 0 0 0 0 public 0 network snmp nms 2 0 0 0 0 public 0 netwo...

Страница 107: ...107 Appendix E Well known port numbers Chapter contents Introduction 108...

Страница 108: ...tem processes or by pro grams executed by privileged users Table A 3 shows some of the well known port numbers For more details please visit the IANA website http www iana org assignments port numbers...

Страница 109: ...109 Appendix F Guide to the Bios menu program Chapter contents Overview 110 Main menu 110 RTC configuration menu 110 Hardware test menu 111 A 4 5 Firmware upgrade menu 114...

Страница 110: ...the bios menu program the user will see following main menu page BIOS v1 0 0 c 1998 2005 Patton Electronics Co Welcome to Boot Loader Configuration page Select menu 1 RTC Configuration 2 Hardware test...

Страница 111: ...edly until the user presses the ctrl c keys In this mode the ping test to the remote host server IP address and UART test are not performed If the user selects Looping with External test in Auto test...

Страница 112: ...th External test in Auto Test 1 Auto test 2 DRAM test 3 FLASH test 4 EEPROM test 5 Ethernet test 6 UART Mode test ESC Back ENTER Refresh 0 Hardware Test Select menu 0 Test Mode One Time 1 Auto test 2...

Страница 113: ...Read WRite SUCCESS RTS CTS SUCCESS DTR DSR SUCCESS Port 4 test in progressing MODE RS232 Read WRite SUCCESS RTS CTS SUCCESS DTR DSR SUCCESS Hardware auto detect and auto test SUMMARY 1 DRAM Test PASS...

Страница 114: ...nit Before firmware upgrade the user can check the current firmware version by selecting menu item 3 from the Main menu page The firmware upgrade menu supports only the TFTP protocol for remote firmwa...

Страница 115: ...estored to default values Do you really want to start firmware upgrade y n y net trying to load image TFTP Boot image Model 2285a img loading at 0xb00000 3019495 Bytes 3019495 bytes receive done kerne...

Страница 116: ...116 Appendix G Using Model 2285 with Serial IP Chapter contents Overview 110 Main menu 110 RTC configuration menu 110 Hardware test menu 111 A 4 5 Firmware upgrade menu 114...

Страница 117: ...vs Serial IP option compatibility matrix table Serial Port Configuration of Model 2285 Serial IP Configuration Host mode Configuration Cryptography Configuration Credentials Connection Protocol Securi...

Страница 118: ...nnection example Telnet and SSLv3 encryption 1 Set host mode of serial port 1 of Model 2285 as follows Host mode TCP Port numer 7001 Telnet protocol Enabled Figure 63 Host mode configuration 2 Set Cry...

Страница 119: ...o use to communicate with serial port 1 of Model 2285 by pressing Select Ports button Figure 65 Select Ports on Serial IP Control Panel 4 Step 4 Enter IP address of Server IP address of Model 2285 and...

Страница 120: ...Figure 66 Set parameters on Serial IP Control Panel 5 Open the terminal emulation program and select the corresponding COM port The user can use the serial port of Model 2285 using his local terminal...

Страница 121: ...et and SSLv3 encryption 121 Model 2285 Getting Started Guide G Using Model 2285 with Serial IP 6 User can monitor or trace the connection status using Serial IP Port Monitor or Trace window Figure 68...

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