Quatech DS-200 Operation & User’s Manual

19, Switch on bit = 0 Switch off bit = 1 Serial 0 uses SW1 and SW2 Serial 1 uses SW3 and SW4 ON 1 2 3 4 5 6 7 8 88 2 1 F 4 8 1 2 3 4 5 6 ON 0 2 1 3 0 0 0 0 0 0 SW1 SW2 enable/disable ON 1 2 3 4 5 6 7 8 88 2 1 F 4 8 1 2 3 4 5 6 ON 0 2 0 2 0 0 0 0 0 0 SW3 SW4 Factory default setting for Ser…

34, 7.7 Termination Resistors Optional line termination resistors are provided for the input signals of each of the DS-200/300’s RS-422/485 ports. The user has the option of selecting RS-422 termination (100Ω), RS-485 termination (120Ω), or no termination. Line termination may be selected or…

22, can identify a DS-200/300 board by recognizing the pattern read back from the ID bits (seeFigure 10). rate register bit 0 RR0 0 rate register bit 1 RR1 1 not used OR2 2 not used OR3 3 not used OR4 4 not used OR5 5 ID register bit 0 ID0 6 ID register bit 1 ID1 7…

14, Quatech DS-200 3. Double click the device group “Multi-function Adapters”. The DS-200/300 Enhanced Serial Adapter model name should appear in the list of Multi-function adapters. Figure 3--- Windows 95 Device Manager 4. Double click the DS-200/300 Enhanced Serial Adapter model name and a propertie…

27, 6.2 Interrupt Status Register The DS-200/300 is equipped with an Interrupt Status Register (ISR) which can be used to simplify the servicing of shared interrupts. This register is located at [base address+7] along with the Options Register. Like the OR, the SP jumper must be removed…