Dascom DP-520 Manuale dell'operatore - Pagina 16

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DB-9 Pin

Name

TxD

RxD

DTR

6 & 8

CTS & DSR

SGND

The wake-up input (pin 2 of the RJ12) can be driven by a normal RS-232 handshaking output and activates the

printer when a positive voltage ('space' condition) is asserted. Connecting it to the PC DTR signal wakes the printer

when the COM port is 'opened'. It may alternatively be tied to a positive voltage in the range +3V -> +12V to keep

the printer awake permanently. In this case, the printer will 'attempt' to go to sleep if the normal inactivity time-out

elapses, but will merely reset and then re-start. This behavior may be avoided by switching off the sleep period

timeout.

EMC STATEMENT

The DP-510 and DP-520 printers are fully EMC (Electro-Magnetic Compatibility) compliant and are CE marked

accordingly. A Declaration of Conformity, in accordance with the EMC Directive 89/336/EEC (and as amended) is

available on request.

System EMC compliance remains the responsibility of the system designer. It is recommended that shielded cables

are used; grounding arrangements will depend on the application.

Description (refers to PC)

Serial Data Output

Serial Data Input

Handshaking Output

Busy Input

Signal Common 0V

RJ12 Pin