Quatech ES-100D Operation & User’s Manual

9, 3. ADDRESSING PORTS Setting the address The base address of the ES-100D is set using the two DIP switch packs. When setting the address selection switches, a switch in the "ON" position specifies that the corresponding address line must be a logic 0 for the port to be selecte…

20, IP --- Interrupt pending: When logic 0, indicates that an interrupt is pending and the contents of the interrupt identification register may be used to determine the interrupt source. See Figure 16. 0 IID0 --- 1 IID1 --- 2 Interrupt Identification: Indicates highest priority interrupt pending …

24, LINE STATUS REGISTER This register is located at I/O address [base+5]. It is used to provide various types of status information concerning the data transfer. As Figure 20 shows, the Line Status Register indicates several types of errors, an empty transmit buffer, a ready receive buff…

15, Channel Output Configuration The ES-100D connects to peripheral equipment through a single female D-78 connector, or using the adapter cable, eight male D-25 connectors. The standard serial port connections are listed in Figure 11. Unlisted pins are not used and not connected. 759…

1, Quatech ES-100D ES-100 EIGHT CHANNEL RS-232 ASYNCHRONOUS ADAPTER CARD for ISA compatible machines User's Manual QUATECH, INC. TEL: (330) 655-9000 5675 Hudson Industrial Parkway FAX: (330) 655-9010 Hudson, Ohio 44236 http://www.quatech.com INTERFACE CARDS FOR IBM PC/AT AND PS/2 …

29, 7. SPECIFICATIONS Bus interface: Industry Standard Architecture (ISA) 16-bit bus IBM PC-AT TM compatible Dimensions: 13.4" x 4.2" Serial ports Number of ports: eight Controllers: 16450 (16550 optional) Interface: Female high-density D-78 connector or eight male D-25 connectors (usi…