Zebra 170PAX2 Series Guia do Utilizador descarregar pdf (Página 76)

WARNING! Connecting a data communications cable while the power is ON may

damage the PAX3 print engine.

RS-232/RS-422/RS-485 Serial Data Port

The connections for these standard interfaces are made through the DB25 Female con-

nector on the rear panel. Refer to Table 8. For all RS-232 input and output signals, the

print engine follows both the Electronics Industries Association’s (EIA) RS-232 and the

Consultative Committee for International Telegraph and Telephone (CCITT) V.24 stan-

dard signal level specifications.

Table 8: RS-232/RS-422/RS-485 Pinouts

Number

Description

1 Frame ground for cable shield

2 TXD (RS-232 transmit data) output from print engine

3 RXD (RS-232 receive data) input to print engine

4 RTS (RS-232 request to send) output from print engine

6 DSR (data set ready) input to print engine

7 Signal ground for RS-232

9 +5 VDC source output (750 mA maximum)

11 Signal ground reference for RS-422/RS-485

13 RS-422/RS-485 data input B (-)

14 RS-422/RS-485 data output B (-)

16 RS-422/RS-485 data input A (+)

19 RS-422/RS-485 data output A (+)

20 DTR (RS-232 data terminal ready) output from print engine

NOTE: Pins 5, 8, 10, 12, 15, 17-18, 21-25 are not used and are unterminated.

1 2 ... 71 72 73 74 75 76 77 78 79 80 81 ... 99 100

Sem comentários

Zebra 170PAX2 Series Guia do Utilizador Página 76