Black Box PCW22A-R3, PCW22A-R4 manual Data Flow A/S-2G to Synchronous Device

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PROTOCOL CONVERTER A/S-2G

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

Bisynchronous Device

A/S-2G Converter

Asynchronous Device

IF 2270 - 2780

AAAA 32 32 32 32 02 (text up to 80 characters), IF, BCC1, BCC2; etc. (last record 26, BCC1, BCC2, FF FF

IF 3780

AAAA 32 32 32 32 02 (text up to 80* characters with records separated by 1E, last record in block 1E, 26, BCC1, BCC2, FF FF

IF 3741

AA AA 32 32 32 32 02

(up to 128 characters), 26, BCC1, BCC2, FF FF

ACK 1

Positive Acknowledgment—

Odd AA AA 32 32 32 32 10

61 FF FF

(Echo CR LF) Block B of data (Echo all but CR LF)

Send block B

ACK 0

(Echo CR LF) Block C of data (Echo all but CR LF) Block of D of data begins

*Assumes block size of 80 is selected.

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Contents Protocol Converter FCC Statement Protocol Converter A/S-2G Table of Contents Synchronous Device to Asynchronous Device RXC SpecificationsIntroduction Unpacking and Inspection InstallationData Flow Control 2 SW2 SELF-DIAGNOSTICS Switch #4 on =5 RS-232 PASS-THROUGH Options Reconfigure Switch ModeReset Options Data Terminal Ready DTR Signal OptionsBaud Rate Options Clear to Send CTS Signal OptionsModem or DIRECT-TO-TERMINAL Connection Carrier Options Preparing the A/S-2G for Connection to a Synchronous DeviceCable Requirement External or Internal Clocking Option Command PASS-THRU Asynchronous Device to Synchronous Device OperationFlow Control USE of Carriage Return a 2770/2780 ModeVerification of Data Reception Presentation of Data from A/S-2G to Synchronous DeviceLine 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 Installing or Replacing Proms Transparency Mode of OperationConversions and Connections GND RS-232 Cable ChartCode Conversions Special Conversions Printed Board Circuit Layout Printed Circuit Board LayoutPark Drive Lawrence, PA