Installation
Low-Speed (FSK) Mode
Table 2-3 shows the modem switch settings that can be used when the modem is configured for low-speed (FSK) mode. This mode is enabled when switch SW2-1 is set to ON. Following this table is an explanation of these settings.
Table 2-3. Modem Switch Settings for Low-Speed Mode
| | | |
Switches | | Switch Settings |
| | ON | OFF |
SW 1-1 − 1-4: Transmit Level | | (see Table 2-4 page 19) |
(page 19) | | | |
| | | |
SW 1-5: Receiver Dynamic Range | | −10 to −43 dBm | +3 to −30 dBm |
(page 20) | | | |
| | | |
SW 1-6 − SW1-7: RTS-CTS Delay | | (see Table 2-5 page 20) |
(page 20) | | | |
| | | |
SW 1-8: Anti-streaming (page 20) | | Active | Inactive |
| | | |
| | |
SW 2-1: High-Speed)/Low-Speed | Low-Speed (FSK) | High-Speed |
Mode (page 21) | Mode | (Fast Poll) Mode |
| | |
SW 2-2: CD Delay (page 21) | 23 ms. | 6 ms. |
| | |
SW 2-3: Turnaround SQ (page 21) | 0 ms. | 8 ms. |
| | | |
SW 2-4: Not Used | | | |
| | |
SW2-5: Soft Carrier (page 22) | Disabled | Enabled |
| | |
SW 2-6: Production Test Only | Test | Normal |
(page 22) | | | |
| | |
SW 2-7: 2- or 4-wire (page 22) | 2-wire | 4-wire |
| | |
SW 2-8: Carrier Control (page 22) | Constant | Switched |
| | |
SW 2-9: Rx Termination (page23) | Disabled | Enabled |
| | |
SW 2-10: Ground Options (page 23) | Chassis Ground- | Chassis Ground- |
| Signal Ground | Signal Ground |
| Connected | Disconnected |
| | | |