Configuring the Modem
SW3 DIP Switch Settings
SW3 is a 10-position DIP switch. Table 2-5 shows the modem switch settings for DIP switch SW3. A description of the SW3 switch settings follows the table.
Table 2-5. Modem Switch Settings for DIP Switch SW3
| | |
Switches | Switch Settings |
| ON | OFF (Default) |
SW3-1: Fast Poll/FSK (page 22) | FSK | Fast Poll Auto-Rate |
| | |
SW3-2: Data Rate (page 23) | 4800 bps | 9600 bps |
| | |
SW3-3: Async Character (page 23) | 11 bits | 10 bits |
| | |
SW3-4: Auto RTS (page 23) | Enabled | Disabled |
| | |
SW3-5: Transmitter Termination (page | Switched by RTS | 600 Ω |
24) | | |
SW3-6: Reserved (Test Only) (page 24) | Test | Normal |
| | |
SW3-7: 2- or 4-wire (page 24) | 2-wire, half-duplex | 4-wire, full-duplex |
| | |
SW3-8: Carrier Control (page 25) | Constant | Switched |
| | |
SW3-9: Rx Termination (page25) | 600 Ω | High Rx Impedance |
| | |
SW3-10: Signal Ground and Earth | Connected | Separated |
Ground Option (page 25) | | |
