Quatech RS-422/485, MPA-200/300 user manual Compliances Electromagnetic Emissions

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Compliances - Electromagnetic Emissions

EC - Council Directive 89/336/EEC

This equipment has been tested and found to comply with the limits of the following standards for a digital device:

￿EN50081-1 (EN55022, EN60555-2, EN60555-3)

￿EN50082-1 (IEC 801-2, IEC 801-3, IEC 801-4)

Type of Equipment:

Information Technology Equipment

Equipment Class:

Commercial, Residential, & Light Industrial

FCC - Class B

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation, If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

￿Reorient or relocate the receiving antenna.

￿Increase the separation between the equipment and receiver.

￿Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

￿Consult the dealer or an or an experienced radio/TV technician for help.

This equipment has been certified to comply with the limits for a Class B computing device, pursuant to FCC Rules. In order to maintain compliance with FCC regulations, shielded cables must be used with this equipment. Operation with non-approved equipment or unshielded cables is likely to result in interference to radio and TV reception. The user is cautioned that changes and modifications made to the equipment without the approval of the manufacturer could void the user's authority to operate this equipment.

Quatech Inc., MPA-200/300 Manual

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Contents QUATECH, INC MPA-200/300Page Warranty Information Page Compliances Electromagnetic Emissions Table of Contents Quatech Inc., MPA-200/300 Manual Introduction MPA-200 board drawing IRQ DMA/DRQ Hardware InstallationSCC General Information Accessing the registers RR1 RR0RR2 RR3WR1 WR0WR2 WR3Baud Rate Generator Programming SCC Data Encoding Methods J4 Interrupt Configuration Jumper Block ConfigurationsJ5 & J6 Interrupt Level Selection IRQ3 IRQ4 IRQ5 IRQ6 IRQ7J10 Transmit DMA Channel Selection IRQ10 IRQ11 IRQ12 IRQ14 IRQ15J7 Line Driver Control Selection J11 Receive DMA Channel SelectionSynca Rlen OUT J8 Synca to Rlen controlBase Address = 3F8H AddressingPage Interrupts Direct Memory Access Page Reqa Configuration Register D0 -TXSRC, Transmit DMA Source D1 -RXSRC, Receive DMA SourceTM ST Llen Rlen Rcken Tcken Rxden Txden Communications RegisterD0 -TRANSMITTER Enable D1 -RECEIVER EnableDTE / DCE Configuration Rrclk Rtclk Trxca Tclk Ttclk DTE ConfigurationDCE Configuration DCE Clock Configuration External Connections CTS Ctsa +DSR Dcda DTR DTR/REQA DSR Dcda +RRCLK Trxc Test ModeTest Mode Null-Modem Cables Circuit CC Data SET Ready DSR Connector Notation +DSR,-DSR Circuit AB Signal Ground Connector Notation DgndConnector Notation +TXD,-TXD Connector Notation +RXD,-RXDConnector Notation +RRCLK,-RRCLK Connector Notation +RTCLK,-RTCLKCircuit CA Request to Send RTS Connector Notation +RTS,-RTS Circuit CB Clear to Send CTS Connector Notation +CTS,-CTSCircuit RL Remote Loopback RL Connector Notation Rlbk Circuit CD DTE Ready DTR Connector Notation +DTR,-DTRCircuit LL Local Loopback LL Connector Notation Llbk Circuit TM Test Mode TM Connector Notation Test Mode Specifications MPA-200/300 Version March
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