Telenetics DSP9612RM User Manual

Page 16

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Installation

Page

16

SW2-1

Fast Poll/FSK (high- & low-speed modes)

SW2-1

ON = Low-Speed Mode (FSK)
OFF = High-Speed Mode (Fast Poll)

SW2-1 configures the modem for either low-speed (FSK) mode or
high-speed (Fast Poll) mode. As a result, the SW2-1 setting you choose
determines the switch definitions for the other switches.

c For high-speed mode, the configuration switches follow the

definitions in Table 2-1.

c For low-speed mode, the configuration switches follow the

definitions in Table 2-3.

SW2-4

Auto RTS (high-speed mode only)

SW2-4

ON = Enable Auto RTS
OFF = Disable Auto RTS

For data terminals that do not support hardware RTS, set SW2-4 to ON
to enable buffer mode. In this mode, TXD is detected at the modem and
internal RTS is turned ON. After training completes, the TXD is
transmitted to the remote modem. The transmitter turns off if no TXD is
detected after 1 character length of idle time.

SW2-6

Production Test Only (high- & low-speed modes)

SW2-6

Must be OFF

SW2-6 must be in the OFF position for normal operation.

SW2-7

2-/4-Wire Operation (high- & low-speed modes)

SW2-7

ON = 2-Wire, Half-Duplex Mode
OFF = 4-Wire, Full-Duplex Mode

SW2-7 configures the modem for 4-wire full-duplex or 2-wire half-
duplex operation.

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