Data Polarity, Resp. Polarity, Busy on Strobe

Centronics (Parallel) Submenu

Data Polarity

The Data Polarity parameter must be set to match the data polarity of your host computer.

•Standard. Does not expect the host computer to invert the data.

•Inverted. Expects the data received on the data lines from the host computer to be inverted. Ones become zeros, and vice-versa.

Resp. Polarity

The Response Polarity parameter must be set to match the response polarity of your host computer. This option sets the polarity of the Acknowledge, Online, Fault, Paper Empty, and Busy signals.

•Standard. Does not invert the response signals.

•Inverted. Inverts the response signals sent to the host computer.

Busy on Strobe

•Enable. Asserts a busy signal after each character is received.

•Disable. Asserts a busy signal only when the print buffers are full.

Latch Data On

The Latch Data On parameter specifies whether the data is read on the leading or trailing edge of the data strobe signal.

Prime Signal

•Disable. The parallel port does not perform a warm start (reboot) if the host asserts the prime signal.

•Enable. The parallel port performs a warm start (reboot) if the host asserts the prime signal.

TOF Action

•Reset. A form feed is performed before a warm start when the prime signal is asserted from the host. This setting is used only if the Prime Signal parameter is enabled.

•Do Nothing. No form feed is performed on reset.

Buffer Size in K

Configures the amount of memory allocated for the Centronics parallel port buffer. The default is 1 Kbyte, but you can specify between 1 and 16 Kbytes, in 1-Kbyte increments.

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HP LQH-HW 3ULQWHUV manual Data Polarity, Resp. Polarity, Busy on Strobe, Latch Data On

Models: LQH-HW 3ULQWHUV