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Configuring the Modem
Page
13
Table 2-1. Modem Switch Settings for High-Speed Mode
Switch SettingsSwitches
ON OFF (Default)
SW 1-1
−
1-4: Transmit Level (page 14)
(see Table 2-2 on page 14)
SW 1-5: Receiver Dynamic Range
(page 15)
−
10 to
−
43 dBm +3 to
−
30 dBm
SW 1-6: TX Cable Equalizer (page 15) Enabled Disabled
SW 1-7: RX Cable Equalizer (page 15) Enabled Disabled
SW 1-8: Anti-streaming (page 15) Active Inactive
SW 2-1: High-Speed/Low-Speed Mode
(page 16)
Low-Speed Mode
(FSK)
High-Speed Mode
(Fast Poll)
SW 2-2: Data Rate in Fast Poll Mode 4800 bps 9600 bps
SW 2-3: Async Character 11 bits 10 bits
SW 2-4: Auto RTS (page 16) Enabled Disabled
SW2-5: Reserved
SW 2-6: Production Test Only (page 16)
Test Normal
SW 2-7: 2- or 4-wire (page 16) 2-wire, half-
duplex
4-wire, full-duplex
SW 2-8: Carrier Control (page 17) Constant Switched
SW 2-9: Rx Termination (page17) Disabled Enabled
SW 2-10: Ground Options (page 17) Chassis Ground-
Signal Ground
Connected
Chassis Ground-
Signal Ground
Disconnected