FS-8700-103_ATMI_TGM_Serial Manual

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3.1.Hardware Connection Tips / Hints

The following notes are provided from a TGM manual:

The TGM code constantly checks the status of the DSR input of its serial ports connected to the DTR output of the remote serial ports. If the TGM DSR is NOT ASSERTED (FALSE), then the TGM software will suspend serial data output out of TGM Tx, and start a timeout timer (the default timeout time = 30 seconds as set in CONFIG.DAT). During this timeout, if the DSR is ASSERTED (TRUE), then the TGM software will begin transmitting data. If the DSR hold exceeds the (configurable) 30 second timeout, the TGM will report a malfunction:

MALFUN

PRINTER OFF LINE

hh:mm dd mmm yy

MALFUN

REMOTE OFF LINE

hh:mm dd mmm yy

depending upon which port has timed out. Restoration of the DSR status as ASSERTED or TRUE will clear the above malfunction(s). The above malfunctions will occur if the active TGM serial ports (printer or remote) are not connected upon bootup with the proper null modem cables to active serial ports with DTR (connected to theTGM DSR) ASSERTED/TRUE. The TGM can have the hardware control defeated by jumpering CTS to DTR to DSR on the TGM side of the connector.

The driver does not provide the hardware handshaking required and assumes the hardware control has been defeated with jumpers.

FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web:www.fieldserver.com Tel: (408) 262-2299 Fax: (408) 262-9042 Toll_Free: 888-509-1970 email: support@fieldserver.com

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FieldServer FS-8700-103 Hardware Connection Tips / Hints, Malfun Printer OFF Line, Malfun Remote OFF Line

FS-8700-103 specifications

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