RFX144V24-S23 and RFX96V24-S23 Modem Designer’s Guide
1070
3-25
V.23 Mode Setup
Set CONF = 24h
Full Duplex
Desired?
Originate
Desired?
Set V23HDX = 0,
ANS = 0
(for Tx = 75, Rx = 1200)
Set V23HDX = 1,
ANS = 0
(for Tx = Rx = 1200)
Parallel Data
Mode Desired?
Set PDM = 1,
Select Data Bits (5, 6, 7, 8)
Select Stop Bits (1,2)
Select Parity (Mark, Space, Even, Odd)
Set PDM = 0
Full Duplex
Selected?
Set SETUP Bit
RTSP = 0: Clamp Tx to Mark
RTSP = 1: Data Mode
RTSP = 0: Select Rx
RTSP = 1: Select Tx
Exit
Yes
No
Yes
Set V23HDX = 0,
ANS = 1
(for Tx = 1200, Rx = 75)
Yes
Yes
No
No
No
Figure 3-5. V.23 Modes Setup Procedure
Содержание RFX144V24-S23
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