User Manual - General Standards Corporation
Contents
1. 3 1 Interface Cable General Standards Corporation can provide an interface cable for the SIO4B FO product This standard cable is a non shielded twisted pair ribbon cable for increased noise immunity Several standard cable lengths are offered or the cable length can be custom ordered to the user s needs Versions of the cable are available with connectors on both ends or the cable may be ordered with a single connector to allow the user to adapt the other end for a specific application A standard cable is available which will breakout the serial channels into four DB25 connectors Shielded cable options are also available Please consult our sales department for more information on cabling options and pricing APPENDIX A Revision History2. BOOKMARK NOT DEFINED 5 4 JUMPERS CHAPTER 6 ORDERING OPTION Sinsaiinasi anas iaa aia 10 6 0 ORDERING INFORMATION cccecececececcecececececececececcecececececncecuceeeececececececececncustsaecececececececeseseececeeectenenees 10 CO TRANSCEIVER ora oo a OAAR AROA A ie 10 6 1 INTERLACE CABLE ias 10 6 2 DEVICE DRIVERS osos data ERROR BOOKMARK NOT DEFINED 6 3 CUSTOM APPLICATIONS cccececccccececcccecececcecscencceceusneecesseceeseueesens ERROR BOOKMARK NOT DEFINED CHAPTER 1 INTRODUCTION 1 0 General Description The SIO4B FO Serial to Fiber Optic Converter was designed to convert RS 485 422 signals to Fiber Optic in order to extend their distance The I O cable interface was specifically designed to be compatible with General Standards SIO4 serial I O product family but will also work with generic serial I O The RS 485 transceivers provide four fully independent synchronous or asynchronous serial channels Each channel consists of 4 RS 485 422 pairs Features Remote Serial Converter Box with high density 68 pin SCSI 3 connector for serial connections Adapter cable SCSI 3 to 4x DB25s available upon request 68 pin SCSI 3 connector is compatible with General Standards Serial IO Cards such as the XX X SIO4B SIO4BX SIO4BXR and SYNC products 4 channels with 4 differential signal per channel Two Modes of operation MODE 1 When used with the SIO4BXR FO board this makes a complet
3. from the use of information contained herein General Standards Corporation reserves the right to make any changes without notice to this product to improve reliability performance function or design All rights reserved No parts of this document may be copied or reproduced in any form or by any means without prior written consent of General Standards Corporation Copyright 2007 General Standards Corporation RELATED PUBLICATIONS ETA 422 A Electrical Characteristics of Balanced Voltage Digital Interface Circuits EIA order number EJA RS 422A ETA 485 Standard for Electrical Characteristics of Generators and Receivers for Use in Balanced Digital Multipoint Systems EIA order number EIA RS 485 EIA Standards and Publications can be purchased from GLOBAL ENGINEERING DOCUMENTS 15 Inverness Way East Englewood CO 80112 Phone 800 854 7179 http global 1hs com TABLE OF CONTENTS CHAPTER 1 INTRODUCTION contra cid ice 1 1 0 GENERAL DESCRIPTION nata id dia TEE EErEE 1 1 1 FUNCTIONAL DESCRIPTION is A ic 1 LEZ CONTROLE sido oa ERROR BOOKMARK NOT DEFINED LES RS422 KS485 TRANSCEIVERS asirios 3 11 8 CONNECTOR INTERFACE riada Roa 3 CHAPTER 2 HARDWARE CONFIGURATION cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccees 4 5 0 DOARD LAYOUT articles 4 52 INTERFACE CONNECTOR Sia aa STO 5 5 3 RS485 RS422 TERMINATION RESISTORS cececeececececececececececececeeees ERROR
4. 6 70 08 9 e 10 110 e 12 130 014 150 016 170 018 1908 20 210 02 230 O 24 CH1 CHANNEL 1 12 a cs e Name Pinit TXD RXD 7 8 IN__ 3to5AND2to4 OUT 1to3AND4to6 faye four a ESTS th 5 8 _IN__ to AND Sto10 OUT 7ta SAND 101012 fan for sf T to 17 AND 14 to ronm to 15 AND 16 to 9 10 OUT sne four O Jw ____ 21 to 23 AND 20 to 19 to 21 AND 22 to YN 1A 1 2 22 OUT 24 Spare 1B 3 4 OUT Nwo o O J1 Sa m ne La Name Pin TXD RXD 21 22 IN 3to5AND2to4 OUT 1to3AND4to6 IO mps four E A SS O Cee PP cl A TXC RXC 23 24 OUT P 29 30 oe to 23 AND 20 to Seno to 21 AND 22 to Spare 2A 31 32 a spare 28 33 38 our J4 ice Pet cios ger sin uno sigan me Pin E OUT _ Ato3aND 4106 IO CER aa EEC OUT ESEE 39 40 CS 9 to 11 AND 8 to 10 o 7 BAND 101012 9 AND 10 to 12 45 46 ramo to 17 AND 14 to OS to 15 AND 16 to TXC RXC 43 44 MM ajo or YA Reserved 37 38 CHANNEL 4 13 Signal Name cm mojmos7 58 50 atosanozioa Jour reosanbaros esa four fw CISMA Bt IN BAND 1010 OUT _ 7teSAND 19t022 fs or pao ae aa OUT MOS CC lout fw ECN CC EEE eses Tenes a a 2 3 RX485 422 Termination Resistors The RS485 RS422 cable interface requires termination of the differential signals to match the cable impedance The PCI SIO4B is shipped with 120 Ohm termination resistor SIP
5. S104B FO User s Manual QUAD CHANNEL RS 485 SERIAL to FIBER OPTIC CONVERTER General Standards Corporation 8302A Whitesburg Drive Huntsville AL 35802 Phone 256 880 8787 Fax 256 880 8788 URL www generalstandards com E mail techsupportOgeneralstandards com Revision NR PREFACE Revision History Additional copies of this manual or other General Standards Corporation literature may be obtained from General Standards Corporation 8302A Whitesburg Drive Huntsville Alabama 35802 Telephone 256 880 8787 Fax 256 880 8788 URL www generalstandards com The information in this document is subject to change without notice General Standards Corporation makes no warranty of any kind with regard to this material including but not limited to the implied warranties of merchantability and fitness for a particular purpose Although extensive editing and reviews are performed before release to ECO control General Standards Corporation assumes no responsibility for any errors that may exist in this document No commitment is made to update or keep current the information contained in this document General Standards Corporation does not assume any liability arising out of the application or use of any product or circuit described herein nor is any license conveyed under any patent right of any rights of others General Standards Corporation assumes no responsibility resulting from omissions or errors in this manual or
6. al I O Transceivers RS 485 422 Serial I O Transceivers Figure 1 1 Block Diagram of SIO4B FO Figure 1 2 shows the SIO4B FO board connected to the PCI SIO4BXR FO board The PCI board provides the PCI host interface Zilog Z16C30 Universal Serial Controllers USC FIFOs and fiber optic transceivers The fiber optics then interface to the Serial to Fiber Optic Converter Box This allows for operating many serial channels at high speeds and at long distances SCSI to DB25 Cable Host Bus IO Fiber Optic Cables Serial to FO lt gt Converter Box _ _ Board Figure 1 2 SIO4B FO Used with PCI SIO4BXR FO Figure 1 3 shows the SIO4B FO board connected back to back to provide for a serial to fiber optic and back to serial extension product This product will be used in this mode when interfacing to existing product in order to extend the distance SCSI to DB25 Cable General Standards NOS Serial to FO ONES Serial to FO A Serial lO Converter Box Converter Box Board is Figure 1 3 SIO4B FO Used Back to Back 1 1 5 RS422 RS485 Transceivers Industry standard differential RS485 signaling allows f
7. e IO solution The SIO4BXR FO board provides the PCI host interface Zilog Z16C30 Universal Serial Controllers USC FIFOs and fiber optic transceivers The Serial to Fiber Optic Converter Box takes the Fiber Optic signals and converts them into standard serial signals as listed below MODE 2 Boxes can be used back to back to make up a serial to fiber and then back to serial extension product Transceivers support RS422 V 11 RS485 Four signals per channel configurable as either DTE or DCE configuration Fast RS422 RS485 Differential Cable Transceivers Provide Data Rate up to 10Mbps Back to back mode allows connecting to existing SIO4BXR boards or any generic serial IO controller product 1 1 Functional Description A functional block diagram of the SIO4B FO is shown in Figure 1 1 A high density 68 pin SCSI 3 connector is used to connect to the RS485 422 transceivers The pinouts of this connector are compatible with most of the GSC serial IO products in the SIO4B family Breakout cables can be used to convert the 68 in connector to DB25s or whatever 1s desired RS 485 422 Serial I O Transceivers RS 485 422 Serial I O Transceivers Fiber Optic HIGH DENSITY 68 PIN FPGA SERDES Transceiver SCSI CONNECTOR RS 485 422 Seri
8. he PCI board Any outputs on the SCSI connector on the PCI board will be inputs on the FO box and vice versa Ch3 DCD mers Rs 9 cascrs ORTS creo a e RD TD Co f RC Oca e f CRC CTC GND GND GND GND GND GND 52 GND GND 26 Ch2RTS Ch2CTS Ch4RTS Ch4CTS 32 Reserved Spare 1 Reserved Spare 1 Reserved Spare 1 8 Reserved Spare 1 Table 2 2 RS485 RS422 Cable Pin Out NOTE 1 These pins are currently reserved and are not available for use Please contact the factory with questions about the availability of these pins The SIO4B FO was specifically designed to interface directly with General Standards serial I O products but it can be used in Back to Back mode with any serial I O products as an extension product The signal names in the table above are for reference only The user can transmit and or receive any signals on any pins The important thing to remember is that the jumpers must be configured properly to get the correct direction OUT or IN Transmit or Receive on the associated differential signal pair Any of the signals can also be used for discrete I O as long as they comply with RS485 RS422 standards 2 2 Board Jumpers The following jumpers are used to configure the direction of the differential signals J1 Channel 2 J2 Channel 1 Shown below J3 Channel 4 J4 Channel 3 J1 J2 J3 and J4 are all identical J2 10 02 30 04 50
9. ontact GSC for details 1 1 8 Power The SIO4B FO comes with a universal input 100 240VAC wall wart style power supply This supply provides 5V supply rated at 3Amps to the box CHAPTER 2 HARDWARE CONFIGURATION 2 0 Board Layout The following figure is a drawing of the physical components of the SIO4B zi r nets a lt CTS cts eco oco LR ES ANCAK UPR_CLK WR_RUCLE mig Shan des dE m4 A39 240 ha a e a a a m a El mate Shue Size E0 OAE Mn L_3 TO E sjoege PRL majs E SHE gnats Has nji z sets spese ACE oF af De ca RX_SPIA vot ree ca U SEEL mf emn feto SSE JRE Lw mas wR ao ps F ofS Dan FE JEH t hai a TEST Figure 2 1 Board Layout 2 1 Interface Connectors The user interface connector on the SIO4B FO is a SCSI 3 type 68 pin connector female mounted to the face plate The part number for this 68 pin SCSI 3 connector is AMP 787170 7 The mating cable connector is AMP 749621 7 or AMP 749111 6 or equivalent The tables below show the pinout for the RS485 RS422 signals if used with the PCI SIO4BX The DTE DCE columns are for the PCI SIO4BX This product can also be used with other XX X SIO4 type products such as the SIO4 SIO4B SIO4BX SIO4BXR etc and also with the SYNC products Keep in mind that if you are interfacing the SIO4B FO box to a PCI SIO4BX the RS485 transceivers will be configured in the opposite direction as t
10. or longer faster and more reliable data connections Socketed termination resistors allow the board to comply with both RS485 and RS422 terminations or they may be removed for a multi drop configuration All RS22 RS485 transceivers are bi directional so that any pin may be configured to receive or transmit This allows the user more flexibility for wiring cable connections 1 1 7 Connector Interface The SIO4B FO provides a user IO interface through a 68 pin SCSI 3 connector at the face plate All four serial channels interface through this high density connector Signals are grouped at the connector to simplify separating the cable into four distinct serial connectors Standard cables are available from General Standards in various lengths to adapt the single 68 pin SCSI 3 connector into four DB25 connectors one per channel A standard cable is also available with a single 68 pin SCSI 3 connector on one end and open on the other This allows the user to add a custom connector or connect to a terminal block General Standards will also work with customers to fabricate custom cables Consult factory for details on custom cables The fiber optic interface 1s via a standard SFP Small Form factor Pluggable module This means that the fiber optic transceivers can be swapped out The standard offering for this product is a multi mode transceiver which offers moderately long distances If longer distances are required single mode optics can be used C
11. s These resistors are socketed so they can be changed or removed as necessary There are eight termination resistors RP1 through RP8 The termination resistors are standard 8 pin isolated resistor SIPs four resistors per SIP Refer to Figure 2 1 for resistor pack locations 2 4 Front Panel The front panel has the following connections Power SFP Fiber Optic Transceiver 68 pin SCSI 3 serial I O There following status LEDs are also on the front panel LOCK Green The LOCK LED indicates that the local Fiber Optic Receiver is locked with a Transmitter After the Receiver locks there should be a delay of about a second before the LOCK LED comes on This is normal ERROR Red The ERROR LED will be ON if the transceiver loses SYNC for any reason If the cables are not connected for instance the ERROR LED will be on TEST Green The TEST LED 1s for factory testing purposes only This LED should not be on while in the field CHAPTER 3 Ordering Options 3 0 Ordering Information 3 0 1 Transceiver The SIO4B FO uses RS485 R5422 transceivers for the serial I O interface The fiber optic interface 1s via a standard SFP Small Form factor Pluggable module This means that the fiber optic transceivers can be swapped out The standard offering for this product is a multi mode transceiver which offers moderately long distances If longer distances are required single mode optics can be used Contact GSC for details
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