Proface APL3000B - Node Box PC Manuel d'utilisateur télécharger pdf (Page 53)

PL3000 Series Hardware Manual

3-12

 Serial Interfaces (COM2/COM3/COM4)

This interface is used to connect an RS-232C serial cable. A D-sub 9-pin plug connector is used.

Interfit Bracket #4-40 (UNC)

Pin Arrangement Pin No.

RS-232C

Signal Name Direction Description

1 CD Input Carrier Detect

2 RD(RXD) Input Receive Data

3 SD(TXD) Output Send Data

4 ER(DTR) Output Data Terminal Ready

5SG

Signal Ground

6 DR(DSR) Input Data Set Ready

7 RS(RTS) Output Request to Send

8 CS(CTS) Input Clear to Send

9 CI(RI)/+5V Input/

Called status display

+5V Output 0.5A

*1 Only COM2 can be changed to +5V output. COM3 and COM4 are fixed at CI (RI).

*2 To change the CI (RI)/+5V setting of pin #9, set the slide switch located on the

circuit board in the PL unit to the desired position. See “3.4 Internal Switches

Specifications (page 3-16)”.

Shell FG

Frame Ground

(Common with SG)

(PL unit side)

1 2 ... 48 49 50 51 52 53 54 55 56 57 58 ... 150 151

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Proface APL3000B - Node Box PC Manuel d'utilisateur Page 53