Black Box PCW22A-R3 Manual do Utilizador

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CHAPTER 3: Installation9Switch #4 ON = Self-Diagnostics Mode.OFF = Normal Operation.Switch #5, #6—Block Size Specification.56OFF OFF 80 CharactersOFF

PROTOCOL CONVERTER A/S-2G10NOTESelf-diagnostics will normally display the switches as they are set on the printed circuit board. If the switcheswere

CHAPTER 3: Installation11If SW3, Switch #7 is ON, the A/S-2G will drop DTR when only 32 character spaces remain in the buffer.The A/S-2G will reasser

PROTOCOL CONVERTER A/S-2G123.3.5 CARRIER OPTIONSIf the carrier detect signal is to be driven by the A/S-2G configuration (DCE), the jumper labeled CA

CHAPTER 3: Installation13there is data to be transmitted. Once the A/S-2G receives CTS from the attached device, it will transmitthe data. When the

PROTOCOL CONVERTER A/S-2G143.4.8 COMMAND PASS-THRUTo use the command pass-thru feature, the command must be preceded by &% and terminated by &

CHAPTER 4: Operation4.0 OperationBy its nature, a protocol converter must operate differently in each direction, since it is communicatingwith separ

PROTOCOL CONVERTER A/S-2G16In 3741 protocol, each block contains only one record. If SW3, Switch #5 is OFF, the A/S-2G will fillthe block with spaces

CHAPTER 4: Operation17If SW3, Switch #7 is OFF, the A/S-2G will send an X-OFF (ASCII DC3, 13 Hex) to the asynchronous devicewhen RAM reaches a nearly

PROTOCOL CONVERTER A/S-2G18Data Flow — A/S-2G to Synchronous DeviceBisynchronous Device A/S-2G Converter Asynchronous Device*Assumes block size of 80

FCC STATEMENT1FEDERAL COMMUNICATIONS COMMISSIONANDINDUSTRY CANADARADIO FREQUENCY INTERFERENCE STATEMENTSThis equipment generates, uses, and can radiat

CHAPTER 4: Operation19Data Flow — A/S-2G to Synchronous DeviceBisynchronous Device A/S-2G Converter Asynchronous DeviceACK 1NAKNegative Acknowledgmen

PROTOCOL CONVERTER A/S-2G20Data Flow — A/S-2G to Synchronous DeviceBisynchronous Device A/S-2G Converter Asynchronous DeviceWAKACK 1ACK 0AA 32 32 32 3

CHAPTER 4: Operation21Data Flow — A/S-2G to Synchronous DeviceBisynchronous Device A/S-2G Converter Asynchronous Device*Assumes block size of 80 is s

PROTOCOL CONVERTER A/S-2G224.2 SYNCHRONOUS DEVICE TO ASYNCHRONOUS DEVICE4.2.1 LINE CONTROLWhen the A/S-2G is initially connected to an AC power sour

CHAPTER 4: Operation23Should the A/S-2G receive a DLE EOT (disconnect), the A/S-2G will cycle the synchro-nous DTR leadoff for 2 seconds. This actio

PROTOCOL CONVERTER A/S-2G24Data Flow — A/S-2G to Asynchronous DeviceBisynchronous Device A/S-2G Converter Asynchronous DeviceENQSend data block ASend

CHAPTER 4: Operation25Data Flow — A/S-2G to Asynchronous DeviceBisynchronous Device A/S-2G Converter Asynchronous DeviceSend data block DSend data bl

PROTOCOL CONVERTER A/S-2G26Data Flow — A/S-2G to Asynchronous DeviceBisynchronous Device A/S-2G Converter Asynchronous DeviceSend data block F(last bl

CHAPTER 5: Conversions and Connections275.0 Conversions and Connections5.1 TRANSPARENCY MODE OF OPERATIONWith a special transparency PROM installed

PROTOCOL CONVERTER A/S-2G285.3 RS-232 CABLE CHARTRS-232C pins are defined as follows:1 = Chassis (or Frame or Protective) Ground F-GND, C-GND, or P-G

PROTOCOL CONVERTER A/S-2G2INSTRUCCIONES DE SEGURIDAD (Normas Oficiales Mexicanas Electrical Safety Statement)1. Todas las instrucciones de seguridad y

CHAPTER 5: Conversions and Connections295.4 CODE CONVERSIONSThe conversions used in the standard 2770, 2780, 3741, and 3780 PROMs are shown in the f

PROTOCOL CONVERTER A/S-2G30Characteror ASCII EBCDICGraphic Hex Dir. Hex Comments@40 7CA41 C1B42 C2C43 C3D44 C4E45 C5F46 C6G47 C7H48 C8I49 C9J4A D1K4B

CHAPTER 5: Conversions and ConnectionsUNASSIGNED EBCDIC CODE04 2B 46 58 71 8D AB B7 CE ED08 30 47 59 72 8E AC B8 CF EF09 31 48 62 73 8F AE B9 DA FA17

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TABLE OF CONTENTS3Table of Contents1.0 Specifications ...

PROTOCOL CONVERTER A/S-2G44.2 Synchronous Device to Asynchronous Device...224.2.1

CHAPTER 1: Specifications51.0 SpecificationsProtocol — Asynchronous: TTY (ASCII)Bisynchronous: 2770, 2780, 3741, and 3780 (EBCDIC)Ports — A: Asyn

PROTOCOL CONVERTER A/S-2G62.0 IntroductionThe Model A/S-2G provides compatibility between an asynchronous, ASCII coded device and asynchronous, EBCDI

CHAPTER 3: Installation73.0 Installation3.1 UNPACKING AND INSPECTIONAfter unpacking the A/S-2G, inspect it for shipping damage. Should there be an

PROTOCOL CONVERTER A/S-2G8Block size for the 2770/2780 is normally limited to 160, but block size is 400 if the 2770/2780 has theMultiple Record Trans