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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:
-123625
123625
514021248
Supply Voltage (Volts)I
Max
(mA)I
Typ
(mA)
37 Quatech Inc., MPA-200/300 Manual