ZENITH DATA SYSTEMS
RS-422 CURRENT LOOP LAN INTERFACE CARD
| 
 Card Type  | 
 Serial I/O controller  | 
| 
 Chipset Controller  | 
 Unidentified  | 
| 
 I/O Options  | 
 RS-422 serial port  | 
| 
 Maximum Dram  | 
 N/A  | 

| 
 CONNECTIONS  | 
|
| 
 Purpose  | 
 Location  | 
| 
 RS-422 serial interface  | 
 CN1  | 
| 
 INTERRUPT SELECT  | 
||||||||
| 
 IRQ  | 
 JP2/A  | 
 JP2/B  | 
 JP2/C  | 
 JP2/D  | 
 JP2/E  | 
 JP2/F  | 
 JP2/G  | 
 JP2/H  | 
| 
 » IRQ4  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
| 
 IRQ3  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
| 
 IRQ5  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
| 
 IRQ10  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
| 
 IRQ11  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
| 
 IRQ12  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
| 
 IRQ14  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
| 
 IRQ15  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
| 
 BASE MEMORY ADDRESS SELECT  | 
|||||||
| 
 Address  | 
 SW1/2  | 
 SW1/3  | 
 SW1/4  | 
 SW1/5  | 
 SW1/6  | 
 SW1/7  | 
 SW1/8  | 
| 
 » 3F8-3FFh  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
| 
 2F8-2FFh  | 
 Off  | 
 On  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
| 
 1A0-1A7h  | 
 On  | 
 Off  | 
 Off  | 
 On  | 
 Off  | 
 On  | 
 On  | 
| 
 RTS/CTS CONFIGURATION  | 
|
| 
 Setting  | 
 JP1  | 
| 
 RTS/CTS handshaking disabled  | 
 Open  | 
| 
 RTS/CTS handshaking enabled  | 
 Closed  | 
| 
 CURRENT LOOP INTERFACE CONFIGURATION  | 
|
| 
 Setting  | 
 SW1/1  | 
| 
 Disabled  | 
 On  | 
| 
 Enabled  | 
 Off  |