Black Box PCW22A-R3, PCW22A-R4 manual Eot

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PROTOCOL CONVERTER A/S-2G

Data Flow — A/S-2G to Asynchronous Device

Bisynchronous Device

A/S-2G Converter

Asynchronous Device

Line release or turnaround

Send data block F (last block)

ACK 0

Send block F

EOT

Send C R LF EOT to asynchronous

device if SW3, switch #2 is ON

Line can now be turned around or A/S-2G in idle mode

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Contents Protocol Converter FCC Statement Protocol Converter A/S-2G Table of Contents Synchronous Device to Asynchronous Device RXC SpecificationsIntroduction Installation Unpacking and InspectionData Flow Control 2 SW2 SELF-DIAGNOSTICS Switch #4 on =5 RS-232 PASS-THROUGH Options Reconfigure Switch ModeReset Options Data Terminal Ready DTR Signal OptionsClear to Send CTS Signal Options Baud Rate OptionsModem or DIRECT-TO-TERMINAL Connection Preparing the A/S-2G for Connection to a Synchronous Device Carrier OptionsCable Requirement External or Internal Clocking Option Command PASS-THRU Asynchronous Device to Synchronous Device OperationFlow Control USE of Carriage Return a 2770/2780 ModePresentation of Data from A/S-2G to Synchronous Device Verification of Data ReceptionLine Turnaround Data Flow A/S-2G to Synchronous Device NAK Echo CR LF Send block F Echo all but CR LF Data Flow A/S-2G to Synchronous Device Synchronous Input Data Format Synchronous Device to Asynchronous DeviceEbcdic characters stripped Data Flow A/S-2G to Asynchronous Device Operation EOT Transparency Mode of Operation Installing or Replacing PromsConversions and Connections GND RS-232 Cable ChartCode Conversions Special Conversions Printed Board Circuit Layout Printed Circuit Board LayoutPark Drive Lawrence, PA