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         © Sealevel Systems, Inc. 

RELIO R2 SYNC Manual   |  SL9255  10/2021 

 

Introduction 

Overview 

The  Relio  R2  SYNC  is  an  exceptionally  rugged  embedded  controller  with  integrated  synchronous 

communications ports for operating in harsh environments. The R2 SYNC’s 

fan less and cableless structure 

ensures extensive durability for long-term usage. The R2 SYNC differs from traditional industrial computer 
systems in that it is built using the 

PICMG COM Express architecture

. Sealevel has partnered with the leading 

COM  Express  module  manufacturers  to  ensure  our  customers  benefit  from  the  best  in  the  industry.  This 
manual will focus on the higher-level features of the R2 SYNC computer system. 

The R2 SYNC is compatible with Basic and Compact form factor Type 6 pin out COM Express modules. COM 
Express  is  a  widely  supported  implementation  of  Computer  on  Module  (COM)  design.  The  COM  Express 
architecture reduces the complexity, cost and time required for custom computer system design by combining 
the  processing,  memory,  video,  Ethernet,  and  USB  functionality  in  a  small,  highly  integrated  module.  COM 
Express modules install on a carrier board that provides the application specific I/O and external connectors 
best suited for the system requirements. 

Sealevel COM Express carr

ier boards leverage the company’s years as a leader  in I/O and communication 

products to provide carrier board and full system solutions in the fastest time possible. Common I/O features 

include  serial,  analog  and  digital  I/O.  Sealevel’s  extensive  library 

of  proven  I/O  circuits  can  be  included  as 

required to meet the specific I/O count, voltage ranges, and connector types. 

The R2 SYNC is equipped with a four-port RS-232, RS-422, RS-485,EIA-530, EIA-530A, V.35 synchronous serial 
interface. Designed using the popular Zilog Z85230 Enhanced Serial Communication Controller (ESCC), the 
board  is  an  ideal  solution  for  military,  satellite,  radar,  banking,  and  other  applications  that  require  robust 
synchronous communications. 

For maximum flexibility, each of the serial ports can be individually configured for RS-232, RS-422, RS-485,EIA-
530, EIA-530A, V.35 communications. In RS-232 mode, all common modem control signals are implemented 
for compatibility with a wide range of peripherals. A digital phase lock loop (DPLL) is included on each port, 
and the board supports data rates up to 128K bps in burst mode. For easy implementation, a fan-out cable is 
included that terminates the onboard 100-pin connector to four DB-25M connectors. 

Software  support,  critical  for  successful  synchronous  communication  development,  is  provided  through 

Sealevel’s SeaMAC driver. HDLC/SDLC protocols are supported as well as certain configurations of Monosync, 

Bi-sync, and Raw modes. 

The R2 SYNC also utilizes the Exar SP-506 multi-protocol electrical interface chip that allows it to be compliant 
with EIA/TIA-530/530A, EIA/TIA-232E, EIA/TIA 485, and ITU V.35.  Optional cables are available to connect RS-
449, RS-530, RS-530A, V.35 and X.21 interfaces. 

 

 
 
 

Содержание R23008-01

Страница 1: ...1 Sealevel Systems Inc RELIO R2 SYNC Manual SL9255 10 2021 Relio R2 SYNC User Manual RELIO R2 SYNC...

Страница 2: ...CTURING 10 SYSTEM OPERATION 11 POWER BUTTON 11 POWER STATES 11 SYNCHRONOUS SERIAL COMMUNICATION PORTS 11 INTERNAL BAUD RATE GENERATOR 11 CONTROL AND STATUS REGISTERS DEFINITION 12 INTERFACE SELECTION...

Страница 3: ...m solutions in the fastest time possible Common I O features include serial analog and digital I O Sealevel s extensive library of proven I O circuits can be included as required to meet the specific...

Страница 4: ...control signals implemented o Compatible with Sealevel 5402 and 5402e Synchronous cards 1 Display Port Compatible Video Output 2 Gigabit Ethernet Ports 2 USB 2 0 Ports 64GB mSATA Solid State Drive Pow...

Страница 5: ...er Supply Desktop 90 264VAC 47 63Hz 21VDC regulated 3000mA output with a KPPX 4P connector Advisory Conventions Warning The highest level of importance used to stress a condition where damage could re...

Страница 6: ...he CA104 is a standard DB25F to DB25M serial extension cable Extend a DB25 cable or locate a piece of hardware where it is needed with this six foot 72 inch cable The connectors are pinned one to one...

Страница 7: ...30 Twisted Pair Serial Cable 72 inch Length Item CA174 DB25 Female to DB25 Male Twisted Pair Serial Cable 72 inch Length Twisted Pairs provide increased data integrity in high speed serial application...

Страница 8: ...with steady state CPU usage greater than 50 some additional cooling must be used to ensure safe operation of the electronics The R2 SYNC computer system is a fan less solid state computer that relies...

Страница 9: ...output to the R2 SYNC system Typical power consumption varies depending on COM Express Module memory capacity OS software activity and peripheral devices AC current draw will never exceed 1 4 A All n...

Страница 10: ...l Name 1 Positive DC Power 2 Negative DC Power GND 3 Negative DC Power GND 4 Positive DC Power Manufacturing All Sealevel Systems printed circuit boards are built to UL 94V0 rating and are 100 electri...

Страница 11: ...standby state by holding the Power Button for 3 seconds The system can also be awoken from S3 or S4 with a USB input device such as a HID compliant keyboard or mouse To be awoken from a standby state...

Страница 12: ...D2 SD1 SD0 15 RD SD15 SD14 SD13 SD12 SD11 SD10 SD9 SD8 Field Description IRQST SCC interrupt status 1 No interrupt pending on ESCC 0 Interrupt pending on ESCC DSRA DSRA 1 DSRA not active 0 DSRA active...

Страница 13: ...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 120 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...

Страница 14: ...RTS 19 6 56 31 81 DTR 20 7 57 32 82 DTR 23 8 58 33 83 TSET 24 9 59 34 84 TSET 11 10 60 35 85 RXD 3 11 61 36 86 RXD 16 12 62 37 87 CTS 5 13 63 38 88 CTS 13 14 64 39 89 DSR 6 15 65 40 90 DSR 22 16 66 4...

Страница 15: ...Data Output 3 RD Receive Data Input 4 RTS Request To Send Output 5 CTS Clear To Send Input 6 DSR Data Set Ready Input 7 GND Ground 8 DCD Data Carrier Detect Input 15 TXC Transmit Clock Input 17 RXC R...

Страница 16: ...gative Output 3 RDA RX Receive Negative Input 7 GND Ground 9 RXCB RXC Receive Clock Positive Input 11 TSETB TSET Transmit Signal Element Timing Output 12 TXCB TXC Transmit Clock Positive Input 14 TDB...

Страница 17: ...D Data Carrier Detect Positive Input 11 TSETB TSET Transmit Signal Element Timing Output 12 TXCB TXC Transmit Clock Positive Input 13 CTSB CTS Clear To Send Positive Input 14 TDB TX Transmit Positive...

Страница 18: ...Negative Input 9 RXCB RXC Receive Clock Positive Input 11 TSETB TSET Transmit Signal Element Timing Output 12 TXCB TXC Transmit Clock Positive Input 13 CTSB CTS Clear To Send Positive Input 14 TDB TX...

Страница 19: ...RXCB 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 S Output 15 TXCA TXC Transmit Cl...

Страница 20: ...replaced Replace only with the same or equivalent type recommended by the manufacturer Dispose of used batteries according to the manufacturer s instructions To fulfill the requirements of EN 60950 th...

Страница 21: ...21 Sealevel Systems Inc RELIO R2 SYNC Manual SL9255 10 2021 Rear Panel I O Connectors...

Страница 22: ...22 Sealevel Systems Inc RELIO R2 SYNC Manual SL9255 10 2021 Mechanical Drawings Top View...

Страница 23: ...Continued Bottom View The mounting brackets included with the computer allow options for two methods Flush Mounting If the computer is to be mounted to a thermally conductive surface it is recommended...

Страница 24: ...24 Sealevel Systems Inc RELIO R2 SYNC Manual SL9255 10 2021 Mechanical Drawings Continued Front View Rear View...

Страница 25: ...Raised Mounting If the computer is to be mounted to a thermally insulating surface such as a plastic or wood surface it is recommended to use the method that raises the computer 0 5 off the surface T...

Страница 26: ...2021 Mechanical Drawings Continued Rear view Side view If no airflow is present in the application environment orienting the computer so the heat sink fins run in the Z direction vertically up and dow...

Страница 27: ...wise unavailable or if desired the current versions of Sealevel software packages can be obtained from the Sealevel website see following instructions If you already have the Sealevel software proceed...

Страница 28: ...t and enter the BIOS 3 Press the F9 key to load optimal defaults then press enter to validate the change 4 Press the following key pattern Right arrow Enter Down arrow 9 times Enter Up arrow Enter F10...

Страница 29: ...ctrostatically sensitive components in protective packaging or on anti static mats Grounding Methods The following measures help to avoid electrostatic damages to the device Cover workstations with ap...

Страница 30: ...DTE and Data Circuit Terminating Equipment DCE RS 485 RS 485 is backwardly compatible with RS 422 however it is optimized for party line or multi drop applications The output of the RS 485 driver is c...

Страница 31: ...d 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 The diagram below demonstrates asynchronous c...

Страница 32: ...m neglect abuse accidents or acts of nature are not covered under this warranty Warranty service may be obtained by delivering the Product to Sealevel and providing proof of purchase Customer agrees t...

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