5102 User Manual - Sealevel Systems, Inc
Contents
1. oes os cava sau a da cage e 9 SPECIFICATIONS S 9 APPENDIX A TROUBLESHOOTING sesessesesesessesesossesesesoesesossesesesossesossesesesossesossesesesose 10 APPENDIX HOW TO GET ASSISTANCE sesesessesesossesesescssosossesesesocsosossesesesoesesossesesesoee 11 APPENDIX C ELECTRICAL INTERFACE eee ee eese 12 APPENDIX D SILK SCREEN 5102 PCB e eeeeee eret ene tn eene tne ens ene tae en see tese e epa ene a ens 14 APPENDIX E COMPLIANCE NOTICES 4 e 15 FEDERAL COMMUNICATIONS COMMISSION STATEMENT 15 WARRANTY 16 User Manual SL9046 Revision 10 2007 Introduction The ACB MP LPCI adapter provides the PC with a single channel multi protocol synchronous serial interface utilizing the Zilog 785230 ESCC which supports the HDLC SDLC protocol using Sealevel SeaMAC VA device driver SeaMAC V4 also supports certain configurations of monosync bisync and raw modes The ACB MP LPCI adapter is an ideal solution for applications including DDS digital data service military applications banking communications and other specialized applications The ACB MP LPCI also utilizes the Sipex 506 multi protocol electrical interface chip that allows the ACB MP LPCI to be compliant with EIA TIA 530 530A EIA TIA 232E EIA TIA 485 and I2. echo enabled 0 High Impedance Default value FFFF ACB MP LPCI User Manual Interface Selection The ACB MP LPCI supports a variety of electrical interfaces Refer to the Control and Status Register Definitions found in the Technical Description section of this manual for this bit description There is line termination on RXD RXC and TXC in the following modes RS 530 RS 530A RS 485T and V 35 HEX M3 M2 MI 0 Interface Mode 0 0 0 0 0 All signals are high impedance 1 0 0 0 1 not supported 2 0 0 1 0 RS 232 3 0 0 1 1 not supported 4 0 1 0 0 RS 485T with 120Q termination 5 0 1 0 1 RS 485 without termination 6 7 8 9 0 1 1 0 not supported A 1 0 1 0 single ended loopback B 1 0 1 1 differential loopback 1 1 0 0 not supported D 1 1 0 1 RS 530 E 1 1 1 0 V 35 F 1 1 1 1 RS 530A DB 25M Connector Pin Outs RS 232 Signals Base 5 M3 M0 2 0010 Pin Signal Name Mode 2 TD Transmit Data Output 3 RD Receive Data Input 4 RTS Request To Send Output 5 5 Clear To Send Input 6 DSR Data Set Ready Input 7 GND Ground 8 DCD Data Carrier Detect Input 15 Transmit Clock Input 17 Receive Clock Input 18 LL Local Loopback Output 20 DTR Data Terminal Ready Output 21 RL Remote Loopback Output 24 TSET Transmit Signal Element Timing Output 25 TM Test Mode Input Sealevel
3. Systems Inc 6 ACB MP LPCI User Manual 5 485 5 485 Base 5 M3 M0 4 0100 With termination Base 5 3 0 5 0101 Without termination Pin Signal Name Mode 2 TDA Transmit Negative Output 3 RDA Receive Negative Input 7 GND Ground 9 RXCB RXC Receive Clock Positive Input 11 TSETB 5 Transmit Signal Element Timing Output 12 TXC Transmit Clock Positive Input 14 TDB TX Transmit Positive Output 15 Transmit Clock Negative Input 16 RDB RX Receive Positive Input 17 RXC Receive Clock Negative Input 18 LL Local Loopback Output 20 DTR Data Terminal Ready Negative Output 21 RL Remote Loopback Output 23 DTRB DTR Data Terminal Ready Positive Output 24 TSETA TSET Transmit Signal Element Timing Output Note The RX lines do not have pull up or pull down biasing For high baud rates or long distances add resistor from RX to GND and add 820 Q resistor from RX to 45V DTR depending on state of DTR in application do not toggle DTR RS 530 RS 422 Base 5 M3 MO D 1101 Pin Signal Name Mode 2 TDA TX Transmit Negative Output 3 RDA RX Receive Negative Input 4 RTSA RTS Request To Send Negative Output 5 CTSA CTS Clear To Send Negative Input 6 DSRA DSR Data Set Ready Negative Input 7 GND G
4. ACB MP LPCI User Manual Part Numbers SYSTEMS INCORPORATED www sealevel com PO Box 830 Liberty SC 29657 864 843 4343 Table of Contents INTRODUCTION uci e DII 1 OTHER SEAXEBVEL SYNE PRODUCT S dia stehe pecore fetten 1 BEFORE YOU GET STARTED ice 2 WHATS INCLUDED ESSES 2 OPTIONAL ITEMS ashe soc 2 SOFTWARE INSTALLATION sicstecssscicinccavossvonsedecessovonceeatabekasuatodsveusnSesssectesdnudeduacenstescdoerseonens 3 WINDOWS 2000 XP INSTALLATION 2 2 teca cte 3 PHYSICAL INSTALLATION UNE SOR SERRE SPD ERR CEU 4 TECHNICAL DESCRIPTION dn eE uua ek eh 5 INTERNAL BAUD RATE GENERATOR 5 CONTROL AND STATUS REGISTERS 4 0 5 INTERFACE SELECTION ade eat ant Pa ul rud 6 DB 25M CONNECTOR PIN OUTS et Het aito es e ect Ob Hd da deiude ania 6 ELECTRICAL CHARACTERISTICS wcosicssvsvecscaseassassnsenosasincenssovncnsbassaceecssssesesccsoebaessonasbouesonee 9 ce ns
5. TU V 35 Optional cables are available to connect RS 449 RS 530 RS 530A V 35 and X 21 interfaces The ACB MP LPCI meets the PCISIG size requirements for an MD1 low profile adapter This allows the ACB MP LPCI to be used in a variety of modern systems including low profile servers network appliances and All in One desktop computers A standard height bracket is available for implementations in a standard height PCI slot The ACB MP LPCI is a Universal Bus adapter allowing for use in either 5V or 3 3V PCI slots and provides compliance with the PCISIG PCI Bus Specification Revision 2 2 2 3 which requires ATX power support for both 5V and 3 3 Other Sealevel Sync Products Low Profile PCI 1 Port ACB 232 LPCI P N 5103 785230 RS 232 ACB Ultra LPCI P N 5104 Z16C32 RS 232 422 485 530 530a V 35 PCI 1 Port ACB 232 LPCI P N 5103S 785230 RS 232 ACB Ultra LPCI P N 51045 716 32 RS 232 422 485 530 530a V 35 4 Port ACB MP 4 PCI P N 5402 785230 5 232 422 485 530 530 35 PC 104 1 Port ACB 104 P N 3512 785230 RS 232 422 485 530 530a V 35 ACB 104 ULTRA P N 3514 Z16C32 RS 232 422 485 530 530a V 35 PCMCIA 1 Port PC ACB MP P N 3612 785233 RS 232 422 485 530 530a V 35 Sealevel Systems Inc 1 ACB MP LPCI User Manual Before You Get Started What s Included The ACB MP LPCI is shipped with the following items If any of these items is missing or damaged ple
6. ase contact Sealevel for replacement Optional Items ACB MP LPCI Adapter 5102 includes low profile PCI bracket o 5102S includes standard size PCI bracket Sealevel Software CD with SeaMAC V4 drivers Depending upon your application you are likely to find one or more of the following items useful for interfacing the ACB MP LPCI to real world signals All items can be purchased from our website http www sealevel com or by calling 864 843 4343 104 A 6 serial extension cable with one DB 25 female connector and one DB 25 male connector pinned one to one CA107 a 10 shielded cabling adapter with a DB 25F RS 530 to a DB 37M RS 449 DTE RS 530 is replacing RS 449 in Telecom applications but there is still a very large installed base of equipment that still uses the RS 449 pin out Both standards use RS 422 to define the electrical specifications and are interchangeable via this adapter cable 159 A 6 shielded cable with a DB 25 female connector RS 530 pin out to a DB 15 male connector X 21 pin out that converts the standard DB 25 implementation of RS 530 or RS 422 to the ITU T X 21 standard 174 A 6 serial extension cable with twisted data pairs for increased data integrity Recommended for high speed RS 530 connections 178 A 6 shielded cable with DB 25 female connector to an ITU T ISO 2593 style connector V 35 that converts the Sealevel DB 25 implementation to the ITU T V 35 mechan
7. ct or assume the risk of loss or damage in transit to prepay shipping charges to Sealevel and to use the original shipping container or equivalent Warranty is valid only for original purchaser and is not transferable Sealevel Systems assumes no liability for any damages lost profits lost savings or any other incidental or consequential damage resulting from the use misuse of or inability to use this product Sealevel Systems will not be liable for any claim made by any other related party This warranty applies to Sealevel manufactured Product Product purchased through Sealevel but manufactured by a third party will retain the original manufacturer s warranty Sealevel Systems Incorporated PO Box 830 2779 Greenville Highway Liberty SC 29657 USA 864 843 4343 FAX 864 843 3067 www sealevel com email support sealevel com Technical Support is available Monday Friday from 8 a m to 5 p m Eastern time Sealevel Systems Incorporated acknowledges that all trademarks referenced in this manual are the service mark trademark or registered trademark of the respective company Sealevel Systems Inc 16 ACB MP LPCI User Manual
8. drive capabilities that allow for longer cable lengths RS 422 is rated up to 10 Megabits per second and can have cabling 4000 feet long RS 422 also defines driver and receiver electrical characteristics that will allow 1 driver and up to 32 receivers on the line at once RS 422 signal levels range from 0 to 5 volts RS 422 does not define a physical connector Sealevel Systems Inc 12 ACB MP LPCI User Manual 5 485 RS 485 is backwardly compatible with RS 422 however it is optimized for partyline or multi drop applications The output of the RS 422 485 driver is capable of being Active enabled or Tri State disabled This capability allows multiple ports to be connected in a multi drop bus and selectively polled RS 485 allows cable lengths up to 4000 feet and data rates up to 10 Megabits per second The signal levels for RS 485 are the same as those defined by RS 422 RS 485 has electrical characteristics that allow for 32 drivers and 32 receivers to be connected to one line This interface is ideal for multi drop or network environments RS 485 tri state driver not dual state will allow the electrical presence of the driver to be removed from the line Only one driver may be active at a time and the other driver s must be tri stated RS 485 can be cabled in two ways two wire and four wire mode Two wire mode does not allow for full duplex communication and requires that data be transferred in only one direction at a time For half
9. duplex operation the two transmit pins should be connected to the two receive pins Tx to Rx and Tx to Rx Four wire mode allows full duplex data transfers RS 485 does not define a connector pin out or a set of modem control signals RS 485 does not define a physical connector RS 530 530A RS 530 a k a EIA 530 compatibility means that RS 422 signal levels met and the pin out for the DB 25 connector is specified The EIA Electronic Industry Association created the RS 530 specification to detail the pin out and define a full set of modem control signals that can be used for regulating flow control and line status The major difference between RS 530 and RS 530A lies in some of the modem control interface signals In RS 530 the signals all of the modem control signals are differential in RS 530A some of these signals are single ended The RS 530 specification defines two types of interface circuits Data Terminal Equipment DTE and Data Circuit Terminating Equipment DCE The Sealevel Systems adapter is a DTE interface V 35 35 is a standard defined by ITU formerly CCITT that specifies an electrical mechanical and physical interface that is used extensively by high speed digital carriers such as AT amp T Dataphone Digital Service DDS ITU V 35 is an international standard that is often refereed to as Data Transmission at 48 Kbps Using 60 108 KHz Group Band Circuits ITU V 35 electrical characteristics are a combinati
10. e Input 13 CTSB 5 Clear To Send Positive Input 14 TDB TX Transmit Positive Output 15 TXCA TXC Transmit Clock Negative Input 16 RDB RX Receive Positive Input 17 Receive Clock Negative Input 18 LL Local Loopback Output 19 RTSB RTS Request To Send Positive Output 20 DTR Data Terminal Ready Negative Output 21 RL Remote Loopback Output 24 TSETA TSET Transmit Signal Element Timing Output V 35 Signals Base45 M3 MO E 1110 Pin Signal Name V 35 Mode 2 TDA TX Transmit Negative P Output 3 RDA RX Receive Negative R Input 4 RTS Request To Send C Output 5 CTS Clear To Send D Input 6 DSR Data Set Ready E Input 7 GND Ground B 8 DCD Data Carrier Detect F Input 9 RXC Receive Clock Positive X Input 11 TSETB TSET Transmit Signal Element Timing W Output 12 TXCB TXC Transmit Clock Positive AA Input 14 TDB TX Transmit Positive 5 Output 15 Transmit Clock Negative Y Input 16 RDB RX Receive Positive T Input 17 RXCA Receive Clock Negative V Input 18 LL Local Loopback Output 20 DTR Data Terminal Ready H Output 21 RL Remote Loopback Output 24 TSETA TSET Transmit Signal Element Timing U Output Note All modem control signals are single ended un balanced with RS 232 signal levels Sealevel Systems Inc ACB MP LPCI User Manual Electrical Characteristics Features Single synchronous asynchronous serial port with DB 25M c
11. ealevel Systems Inc 15 ACB MP LPCI User Manual Warranty WARRANTY Trademarks Sealevel s commitment to providing the best I O solutions is reflected in the Lifetime Warranty that is standard on all Sealevel manufactured products We are able to offer this warranty due to our control of manufacturing quality and the historically high reliability of our products in the field Sealevel products are designed and manufactured at its Liberty South Carolina facility allowing direct control over product development production burn in and testing Sealevel Systems Inc hereafter Sealevel warrants that the Product shall conform to and perform in accordance with published technical specifications and shall be free of defects in materials and workmanship for life In the event of failure Sealevel will repair or replace the product at Sealevel s sole discretion Failures resulting from misapplication or misuse of the Product failure to adhere to any specifications or instructions or failure resulting from neglect or abuse are not covered under this warranty Warranty service is obtained by delivering the Product to Sealevel and providing proof of purchase NOTE Return authorization must be obtained from Sealevel Systems before returned merchandise will be accepted Authorization is obtained by calling Sealevel Systems and requesting Return Merchandise Authorization RMA number The Customer agrees to insure the Produ
12. ical standard Sealevel Systems Inc 2 ACB MP LPCI User Manual Software Installation Windows 2000 Installation Do not install the adapter in the machine until the software has been fully installed Note SeaMAC V4 is only supported under Windows 2000 XP 1 2 3 Start Windows Insert the Sealevel Systems CD in your CD drive If Auto Start is enabled for this drive the software will automatically launch Otherwise launch the autorun exe file located in the root directory of the CD Click the Install button Type in or select the part number for the adapter from the listing The setup files will automatically detect the operating environment and install the proper components Follow the information presented on the screens that follow In Windows XP a screen may appear with the declaration The publisher cannot be determined due to the problems below Authenticode signature not found Please click the Yes button and proceed with the installation This declaration simply means that the operating system is not aware of the driver being loaded It will not cause any harm to your system During setup the user may specify installation directories and other preferred configurations This program also adds entries to the system registry that are necessary for specifying the operating parameters for each driver An uninstall option is also included to remove all registry INI file entries from
13. on of unbalanced voltage and balanced current mode signals Data and clock signals are balanced current mode circuits These circuits typically have voltage levels from 0 5 Volts to 0 5 Volts 1 Volt differential The modem control signals are unbalanced signals and are compatible with RS 232 The physical connector is a 34 pin connector that supports 24 data clock and control signals The physical connector is defined in the 150 2593 standard ITU V 35 specification defines two type of interface circuits Data Terminal Equipment DTE and Data Circuit Terminating Equipment DCE The Sealevel Systems adapter is a DTE interface Sealevel Systems Inc 13 ACB MP LPCI User Manual Appendix D Silk Screen 5102 6 1 nini 4 ec umi v9 127 91 NNI 5 en 8v mm mm H 83 LL o Olymm ee v e LA mm SO ul vO 2 2002 yBUAdoOD 2 uoisi ey 2016 gt a SHOY UON SH Y Sealevel Systems Inc 14 ACB MP LPCI User Manual Appendix E Compliance Notices Federal Communications Commission Statement EMC Directive FCC This equipment has been tested and found to comply with the limits for Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equi
14. onnector Configurable for RS 232 RS 422 RS 485 RS 530 RS 530A or V 35 m Zilog 785230 Enhanced Serial Communications Controller ESCCTV supporting synchronous or asynchronous communications m Programmable electrical interface selection for ELA TIA 232 530 530A 485 and ITU V 35 Programmable options for Transmit clock as input or output Software programmable baud rates Data rates to 128K bps 1 Low Profile and Universal Bus 3 3V and 5V compatible X 2 and RS 449 serial interface capability with versatile cabling options Specifications Environmental Specifications Specification Operating Temperature 0 to 70 C 50 to 105 C Range 32 to 158 F 58 to 221 F Humidity Range 10 to 9096 R H 10 to 90 Non Condensing Non Condensing Power Consumption Supply Line 5 VDC 350 mA Physical Dimensions Board Length 4 72 inches 12 00 cm Board Height 2 54 inches Manufacturing Sealevel Systems Printed Circuit boards are built to UL 94V0 rating and are 100 electrically tested These printed circuit boards are solder mask over bare copper with either Electroless Nickel Immersion Gold ENIG or Hot Air Solder Leveled HASL finish Sealevel Systems Inc 9 ACB MP LPCI User Manual Appendix A Troubleshooting Following these simple steps can eliminate most common problems 1 Read this manual thoroughly before attempting to install the adapter in your system Install software fi
15. pable of operating at data rates up to 20 Kbps at distances less than 50 ft The absolute maximum data rate may vary due to line conditions and cable lengths RS 232 often operates at 38 4 Kbps over very short distances The voltage levels defined by RS 232 range from 12 to 12 volts RS 232 is a single ended or unbalanced interface meaning that a single electrical signal is compared to a common signal ground to determine binary logic states A voltage of 12 volts usually 3 to 10 volts represents a binary 0 space and 12 volts 3 to 10 volts denotes a binary 1 mark The RS 232 and the EIA TIA 574 specification defines two type of interface circuits Data Terminal Equipment DTE and Data Circuit Terminating Equipment DCE The Sealevel Systems adapter is a DTE interface RS 422 The RS 422 specification defines the electrical characteristics of balanced voltage digital interface circuits RS 422 is a differential interface that defines voltage levels and driver receiver electrical specifications On a differential interface logic levels are defined by the difference in voltage between a pair of outputs or inputs In contrast a single ended interface for example RS 232 defines the logic levels as the difference in voltage between a single signal and a common ground connection Differential interfaces are typically more immune to noise or voltage spikes that may occur on the communication lines Differential interfaces also have greater
16. pment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in such case the user will be required to correct the interference at the users expense 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 European Commission To obey these directives the following European standards must be met EN55022 Class A Limits and methods of measurement of radio interference characteristics of information technology equipment EN55024 Information technology equipment Immunity characteristics Limits and methods of measurement EN60950 IEC950 Safety of information technology equipment including electrical business equipment Warning This is a Class A Product In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures to prevent or correct the interference Always use cabling provided with this product if possible If no cable is provided or if an alternate cable is required use high quality shielded cabling to maintain compliance with FCC EMC directives S
17. round 8 DCDA DCD Data Carrier Detect Negative Input 9 RXCB RXC Receive Clock Positive Input 10 DCDB DCD Data Carrier Detect Positive Input 11 TSETB 5 Transmit Signal Element Timing Output 12 TXC Transmit Clock Positive Input 13 CTSB CTS Clear To Send Positive Input 14 TDB TX Transmit Positive Output 15 Transmit Clock Negative Input 16 RDB RX Receive Positive Input 17 RXC Receive Clock Negative Input 18 LL Local Loopback Output 19 RTSB RTS Request To Send Positive Output 20 DTR Data Terminal Ready Negative Output 21 RL Remote Loopback Output 22 DSRB DSR Data Set Ready Positive Input 23 DTRB DTR Data Terminal Ready Positive Output 24 TSETA TSET Transmit Signal Element Timing Output Sealevel Systems Inc 7 ACB MP LPCI User Manual 5 530 5 M3 MO F 1111 Pin Signal Name Mode 2 TDA TX Transmit Negative Output 3 RDA RX Receive Negative Input 4 RTSA RTS Request To Send Negative Output 5 CTSA CTS Clear To Send Negative Input 6 DSRA DSR Data Set Ready Negative Input 7 GND Ground 8 DCDA DCD Data Carrier Detect Negative Input 9 RXCB RXC Receive Clock Positive Input 10 DCDB DCD Data Carrier Detect Positive Input 11 TSETB Transmit Signal Element Timing Output 12 TXCB TXC Transmit Clock Positiv
18. rst This places the required installation files in the correct locations After installing the software proceed to the physical installation section of this manual Make sure the Sealevel Systems adapter is securely installed Identify all I O adapters currently installed in your system This includes your on board serial ports controller cards sound cards etc The I O addresses used by these adapters as well as the IRQ if any should be identified Configure your Sealevel Systems adapter so that there is no conflict with currently installed adapters No two adapters can occupy the same I O address Try the Sealevel Systems adapter with a unique IRQ While the Sealevel Systems adapter does allow the sharing of IRQs many other adapters i e SCSI adapters and on board serial ports do not For Windows 2000 the diagnostic tool WinSSD is installed the SeaMAC folder on the Start Menu during the setup process First find the ports using the Device Manager then use WinSSD to verify that the ports are functional Always use Sealevel Systems diagnostic software when troubleshooting a problem This will eliminate any software issues from the equation If these steps do not solve your problem please call Sealevel Systems Technical Support 864 843 4343 Our technical support is free and available from 8 00AM 5PM Eastern Time Monday through Friday For email support contact mailto support G sealevel com Sealevel S
19. the system The software is now installed and you can proceed with the hardware installation Sealevel Systems Inc 3 ACB MP LPCI User Manual Physical Installation The adapter can be installed in any PCI 5V or 3 3V expansion slot Do not install the adapter in the machine until the software has been fully installed Turn off power Disconnect the power cord Remove the PC case cover Locate an available PCI slot and remove the blank metal slot cover PY NY Gently insert the PCI adapter into the slot Make sure the adapter is seated properly Replace the screw required for FCC Part 15 compliance Replace the cover 7 Connect the power cord and power up the machine The ACB MP LPCI is now ready for use Sealevel Systems Inc 4 ACB MP LPCI User Manual Technical Description The ACB MP LPCI utilizes the Zilog 85230 Enhanced Serial Communications Controller ESCC This chip features programmable baud rate data format and interrupt control Refer to the ESCC Users Manual available at www zilog com for details on programming the Z85230 ESCC chip Internal Baud Rate Generator The baud rate of the ESCC is programmed under software control The standard oscillator supplied with the board is 7 3728 MHz However other oscillator values can be substituted to achieve different baud rates Control and Status Registers Definition The control and status registers occupy 16 consecutive I O loca
20. tions The following tables provide a functional description of the bit positions X do not care Bae Mode D7 D Ds DI Do L4 m o mer o 9 9 0 5 RD 485 ECHOA 5 SYNCA_CTS AM3 AM2 AMI 6 RD o 0 0 0 RIA LLA TSETSLA RXCOPTA 14 RD 5 7 506 5 5 SD4 SD3 SD2 SDI 5 0 15 RD 5015 5204 503 6502 SDII SDIO 509 508 Field IRQST DSRA LLA RLA TSETSLA RXCOPTA SYNCA_RTS SYNCA_CTS 485CLK ECHOA AM3 SD0 SD15 Sealevel Systems Inc SCC interrupt status DSRA Local Loopback Remote Loopback TSET clock source RXCOPTA SYNCA RTS SYNCA CTS TSET switches with TXD ECHO enable Description 1 Nointerrupt pending on ESCC 1 DSRA not active 1 LL set 1 set 1 Received TXC as source 1 Selects SCC PCLK for RTXCA 1 SYNCA connected to RTS 1 SYNCA connected to CTS 1 clk switches 1 echo disabled mode select See table for valid interface options Optional security feature Unique value per customer or application Note Default values are listed in bold 0 Interrupt pending on ESCC 0 DSRA active 0 LL not set 0 RL not set 0 TRXCA as source 0 Selects received RXC for RTXCA 0 SYNCA is high 0 SYNCA is high 0 no CLK switching 0
21. ystems Inc 10 ACB MP LPCI User Manual Appendix B How to Get Assistance When calling for technical assistance please have your user manual and current device settings ready If possible please have the device installed and ready to run diagnostics Sealevel Systems maintains a website on the Internet Our homepage address is http www sealevel com The latest software updates and newest manuals are available via our FTP site that can be accessed from our home page Manuals and software can also be downloaded from the product page for your device Sealevel Systems provides an FAQ section on our website Please refer to this to answer many common questions This section can be found at http www sealevel com fag asp Technical support is available Monday to Friday from 8 00 a m to 5 00 p m eastern time UTC 6 hours You can contact Technical Support via Phone 864 843 4343 Email support sealevel com Sealevel Systems Inc 11 ACB MP LPCI User Manual Appendix C Electrical Interface RS 232 Quite possibly the most widely used communication standard is RS 232 This implementation has been defined and revised several times and is often referred to as RS 232 or EIA TIA 232 It is defined by the EIA as the Interface between Data Terminal Equipment and Data Circuit Terminating Equipment Employing Serial Binary Data Interchange The mechanical implementation of RS 232 is on a 25 pin D sub connector RS 232 is ca
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