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Quatech RS-422/485, MPA-200/300 user manual Specifications

Models: RS-422/485 MPA-200/300

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13 SPECIFICATIONS

Bus interface:

IBM AT 16-bit bus

Controller:

Serial Communications Controller, 6 MHz

 

 

(determined by user, typically an Intel 82530).

Physical Dimensions:

7.65” x 4.2”

 

 

Interface:

DTE: male D-25 connector

 

 

DCE: female D-25 connector

Transmit drivers:

EIA-422:

MC3487 or compatible

 

 

EIA-423:

MC3488 or compatible

 

 

EIA-485:

75174 or compatible

Receive buffers:

EIA-422:

MC3486 or compatible

 

 

EIA-423:

75176 or compatible

 

 

EIA485:

75175 or compatible

Transceivers:

EIA-422:

75176 or compatible

 

 

EIA-485:

75176 or compatible

I/O Address range: 0000H - FFFFH

 

 

Interrupt levels:

IRQ 2-7, 10-12, 14-15

Power requirements:

 

 

 

 

ITyp (mA)

IMax (mA)

Supply Voltage (Volts)

 

 

 

 

 

1248

1402

5

 

25

36

12

 

25

36

-12

 

37

Quatech Inc., MPA-200/300 Manual

Page 42 Page 44
Page 43
Image 43
Quatech RS-422/485, MPA-200/300 user manual Specifications
Page 42 Page 44