Metrologic IS4910 Series Especificações descarregar pdf (Página 50)

IMAGING ENGINE TERMINATIONS

Decode Board (TTL) Output to Host Connector

Figure 29.Decode Board (TTL) Output Connector

Pin Signal Name Function

1 232INV

Input: TTL RS232 polarity control with 68k ohm pull-up.

Power: Supply voltage input (3V to 5.5V)

GND Ground: Power and signal ground.

(n)RxD Input: TTL Level RS232 Receive data input.

(n)TxD Output: TTL Level RS232 transmit data.

(n)CTS Input: TTL level Clear to Send.

(n)RTS Output: TTL level RS232 Request to Send.

PWRDWN Output: active high = IS4920 is in power down mode.

nBEEPER Output: active low signal capable of sinking current.

10 nGoodRead

Output: active low signal for sinking current (Good Read).

nWAKE Input: Signal used to bring scanner out of power-down.

nTrig Input: Signal used as trigger input to activate the IS4920

Specifications are subject to change without notice.

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Metrologic IS4910 Series Especificações Página 50