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4.SC 

User Manual  |  2423 

Summary of Contents for 2423

Page 1: ...SeaLINK 4 SC User Manual 2423...

Page 2: ...ARE DESCRIPTION 13 ELECTRICAL SPECIFICATIONS 14 TECHNICAL SPECIFICATIONS 16 APPENDIX A TROUBLESHOOTING 17 APPENDIX B HOW TO GET ASSISTANCE 20 APPENDIX C ELECTRICAL INTERFACE 21 APPENDIX D ASYNCHRONOUS...

Page 3: ...to be repaired or upgraded without reconfiguring the serial ports Additionally the devices can be configured at one computer and deployed to other computers To prevent accidental cable disconnection...

Page 4: ...h Advisory Conventions Warning The highest level of importance used to stress a condition where damage could result to the product or the user could suffer serious injury Important The middle level of...

Page 5: ...2 modem cable with a DB9F connector on one end and a DB25M connector on the other This cable is 72 inches in length DB9F to DB9M Extension Cable Item CA127 The CA127 allows users to extend a DB9 cable...

Page 6: ...l Block Dual DB9F to 18 Screw Terminals Item TB06 The TB06 terminal block breaks out dual DB9 connectors to 18 screw terminals to simplify field wiring of serial connections including RS 422 and RS 48...

Page 7: ...stall Drivers button 4 The setup file will automatically detect the operating environment and install the proper components To confirm that the SeaCOM driver has been successfully installed click on t...

Page 8: ...the instructions on the following page to finish installation The installation will repeat twice for each COM port a total of 8 times on four port devices This is a limitation in the way Windows insta...

Page 9: ...n on your desktop or in the Start menu 2 Click on Properties in the fly out menu to launch the System Properties window 3 Click on the Hardware tab and then click on the Device Manager button 4 When D...

Page 10: ...Select one of the ports by right clicking on it and selecting Properties from the fly out menu The serial port properties menu will appear 3 Click on the Interface Settings tab The Sealevel SeaCOM dri...

Page 11: ...f RS 485 Always On Always On Line Termination A 120 ohm resistor is across each RS 422 485 input If multiple devices are configured in an RS 485 network only the devices on each end should have the te...

Page 12: ...ftware can handle echoing i e using received characters to throttle the transmitter but it can also confuse the system if the software cannot support echoing Echo configuration is software selectable...

Page 13: ...ndicates the electrical interface selected Green indicates RS 232 mode Red indicates RS 422 or RS 485 mode DATA Green Blinks to indicate data is being transmitted or received POWER Green Lights when t...

Page 14: ...2 485 software configurable serial ports The 2423 utilizes high speed USB UARTs with 128 byte Tx FIFOs and 384 byte Rx FIFOs The chips feature programmable baud rates and data rates to 921 6K bps Conn...

Page 15: ...ectrical Specifications RS 422 RS 485 Four Wire DB9 Male Pin Signal 1 RX 2 RX 3 TX 4 TX 5 GND Pins 6 9 are no connect RS 485 Two Wire DB9 Male Pin Signal 3 DATA 4 DATA 5 GND Pins 1 2 6 9 are no connec...

Page 16: ...ly into a USB port on your computer or a self powered hub capable of supplying 500 mA per port Some laptop computers running on battery power and non powered USB hubs do not provide the full 500mA nec...

Page 17: ...in Device Manager will confirm that USB support is enabled in Windows 98 ME 2000 XP or Vista operating systems 3 While Device Manager is open locate the COM ports described under Verifying Installati...

Page 18: ...to 9600 bits per second 8 data bits no parity 1 stop bit and no flow control as pictured below Click Apply and Ok Select the BERT tab and with the loopback connected to the port you wish to test click...

Page 19: ...Pictured below You can continue testing this port with different configurations or proceed with testing other ports if necessary If these steps do not solve your problem please call Sealevel Systems T...

Page 20: ...age by clicking on the Drivers or Manuals links located under Technical Support Manuals and software can also be downloaded from the product page for your device The FAQ section of our website answers...

Page 21: ...nnection Differential interfaces are typically more immune to noise or voltage spikes that may occur on the communication lines Differential interfaces also have greater drive capabilities that allow...

Page 22: ...he character is defined by the transmission of a pre defined number of stop bits usually 1 1 5 or 2 An extra bit used for error detection is often appended before the stop bits This special bit is cal...

Page 23: ...Appendix E Silk Screen 2423...

Page 24: ...nce at the user s expense EMC Directive Statement Products bearing the CE Label fulfill the requirements of the EMC directive 89 336 EEC and of the low voltage directive 73 23 EEC issued by the Europe...

Page 25: ...e obtained by delivering the Product to Sealevel and providing proof of purchase Customer agrees to ensure the Product or assume the risk of loss or damage in transit to prepay shipping charges to Sea...

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