Black Box IC171C manual EIA-530 SIO-485

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RS422/485 SERIAL INTERFACE PLUS

DIP shunt E4 selects the pin out for the DB25 connector P3. With the

5-position shunt in the EIA-530 mode, the RS422/485 Serial Interface Plus complies with the EIA-530 pinout with the following signals supported:

Signal

 

Name

Pin #

Mode

GND

 

Ground

7

 

RDB

RX+

Receive Positive

16

Input RS-422

RDA

RX

Receive Negative

3

Input RS-422

CTSB

CTS+

Clear To Send Positive

13

Input RS-422

CTSA

CTS-

Clear To Send Negative

5

Input RS-422

DSRB

DSR+

Data Set Ready Positive

22

Input RS-422

DSRA

DSR-

Data Set Ready Negative

6

Input RS-422

DCDB

DCD+

Data Carrier Detect Positive

10

Input RS-422

DCDA

DCD-

Data Carrier Detect Negative

8

Input RS-422

TDB

TX+

Transmit Positive

14

Output RS-422

TDA

TX-

Transmit Negative

2

Output RS-422

RTSB

RTS+

Request To Send Positive

19

Output RS-422

RTSA

RTS-

Request To Send Negative

4

Output RS-422

DTRB

DTR+

Data Terminal Ready Positive

23

Output RS-422

DTRA

DTR-

Data Terminal Ready Negative

20

Output RS-422

 

 

 

 

 

EIA-530

SIO-485

Figure 4-10. DIP Shunt E4 (SIO-485 Mode).

With the 5-position shunt in the SIO-485 mode, the RS422/485 Serial Interface Plus converts to 4-wire or 2-wire RS-422/485 with the following signals supported:

12

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Contents RS422/485 Serial Interface Plus RS422/485 Serial Interface Plus RS422/485 Serial Interface Plus RS422/485 Serial Interface Plus Contents Connectors DB25P SpecificationsWhat’s Included IntroductionOverview Technical Description FeaturesRS-422/530 Connection RS-485 Two-Wire Connection SW1 Address SelectionC D Option Selection Header E1 Factory Default. IRQ 4 SelectedOption Selection Auto RTS EIA-530 EIA-530 SIO-485 Name Function RS-530/422/485 Line Termination11. DIP Switch SW2 Hardware Installation InstallationSoftware Installation RS422/485 Serial Interface Plus Control Panel Windows 3.1 ConfigurationCancel Advanced Dont Restart Now Troubleshooting Windows 3.1, the mouse hangs or moves erratically RS422/485 Serial Interface Plus Shipping and Packaging Calling Black BoxAppendix Circuit-Board Design Copyright 2000. Black Box Corporation. All rights reserved