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Micro House PC Hardware Library Volume II: Network Interface Cards And Modems Micro House PC Hardware Library Volume II: Network Interface Cards And Modems
by Micro House International, Inc. and Scott Mueller
Que, Macmillan Computer Publishing
ISBN: 078971664x   Pub Date: 06/17/98
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RTS/CTS
Type: Configuration
Format: AT [cmds] &Rn [cmds]
Description: Selects RTS/CTS options
Command Function
     &R0 Not used
     &R1 CTS forced high, RTS is ignored.
&R2RTS flow control enabled

SOFT RESET
Type: Immediate
Format: AT [cmds] Zn [cmds]
Description: Restores modem profiles
Command Function
Z0 Restore profile from ATY command
Z1 Restore profile 0
Z2 Restore profile 1
Z3 Restore factory default profile 0
Z4 Restore factory default profile 1
Z5 Restore factory default profile 2

STATUS REGISTERS
Type: Immediate
Format: AT [cmds] S$ [cmds]
Description: Displays all S-registers

STORE TELEPHONE NUMBER
Type: Configuration
Format: AT [cmds] &Zn=(phone # & modifiers)
Description: Writes selected telephone numbers into the non-volatile memory at location n
Command Function
&Zn=L Last dialed number stored at memory location n
&Zn? Display stored number at memory location n
&ZL Display last dialed number

V.32 - HANDSHAKE LENGTH
Type: Register
Format: AT [cmds] S28=n [cmds]
Default: 8 Range: 0-255
Unit: .1 second
Description: Sets the length of time the modem handshakes in V.32 mode

PRACTICAL PERIPHERALS, INC.

PC288LCD V.34/MC288LCD V.34

Modem Type Data (synchronous/asynchronous)/Fax
Maximum Data Rate 28.8Kbps
Maximum Fax Rate 14.4Kbps
Data Bus External
Fax Class Class I & II
Data Modulation Protocol Bell 103A/212A
ITU-T V.21, V.22, V.22bis, V.23, V.32, V.32bis, V.34
Rockwell V.FC
Fax Modulation Protocol ITU-T V.17, V.27ter, V.29, V.33
Error Correction/Compression MNP5, V.42, V.42bis

CONNECTIONS
Purpose Location Purpose Location
Menu down BT1 Line in CN2
Mode select BT2 RS-232/422 CN3
Menu up BT3 DC power CN4
Line out CN1 Power switch SW1

DIAGNOSTIC LED(S)
LED Color Status Condition
TX Red On Modem is transmitting data
TX Red Off Modem is not transmitting data
RX Red On Modem is receiving data
RX Red Off Modem is not receiving data
OH Red On Modem is off-hook
OH Red Off Modem is on-hook
AA Red On Auto-answer enabled
AA Red Off Auto-answer disabled
AA Red Blinking Phone is ringing
EC Red On Error correction enabled
EC Red Off Error correction disabled
MR Red On Power is on
MR Red Off Power is off
TR Red On DTR signal is high
TR Red Off DTR signal is low
RS Red On RTS signal is high
RS Red Off RTS signal is low
CS Red On CTS signal is high
CS Red Off CTS signal is low
CD Red On Carrier signal detected
CD Red Off Carrier signal not detected
CD Red Blinking Modem is retraining


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