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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
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Type:
| Configuration
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Format:
| AT [cmds] &Rn [cmds]
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Description:
| Selects RTS/CTS options
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Command
| Function
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&R0
| Not used
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&R1
| CTS forced high, RTS is ignored.
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&R2 | RTS flow control enabled
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SOFT RESET
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Type:
| Immediate
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Format:
| AT [cmds] Zn [cmds]
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Description:
| Restores modem profiles
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Command
| Function
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Z0
| Restore profile from ATY command
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Z1
| Restore profile 0
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Z2
| Restore profile 1
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Z3
| Restore factory default profile 0
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Z4
| Restore factory default profile 1
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Z5
| Restore factory default profile 2
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STATUS REGISTERS
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Type:
| Immediate
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Format:
| AT [cmds] S$ [cmds]
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Description:
| Displays all S-registers
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STORE TELEPHONE NUMBER
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Type:
| Configuration
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Format:
| AT [cmds] &Zn=(phone # & modifiers)
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Description:
| Writes selected telephone numbers into the non-volatile memory at location n
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Command
| Function
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&Zn=L
| Last dialed number stored at memory location n
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&Zn?
| Display stored number at memory location n
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&ZL
| Display last dialed number
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V.32 - HANDSHAKE LENGTH
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Type:
| Register
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Format:
| AT [cmds] S28=n [cmds]
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Default:
| 8 Range: 0-255
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Unit:
| .1 second
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Description:
| Sets the length of time the modem handshakes in V.32 mode
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PRACTICAL PERIPHERALS, INC.
PC288LCD V.34/MC288LCD V.34
Modem Type
| Data (synchronous/asynchronous)/Fax
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Maximum Data Rate
| 28.8Kbps
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Maximum Fax Rate
| 14.4Kbps
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Data Bus
| External
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Fax Class
| Class I & II
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Data Modulation Protocol
| Bell 103A/212A
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| ITU-T V.21, V.22, V.22bis, V.23, V.32, V.32bis, V.34
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| Rockwell V.FC
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Fax Modulation Protocol
| ITU-T V.17, V.27ter, V.29, V.33
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Error Correction/Compression
| MNP5, V.42, V.42bis
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CONNECTIONS
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Purpose
| Location
| Purpose
| Location
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Menu down
| BT1
| Line in
| CN2
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Mode select
| BT2
| RS-232/422
| CN3
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Menu up
| BT3
| DC power
| CN4
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Line out
| CN1
| Power switch
| SW1
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DIAGNOSTIC LED(S)
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LED
| Color
| Status
| Condition
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TX
| Red
| On
| Modem is transmitting data
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TX
| Red
| Off
| Modem is not transmitting data
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RX
| Red
| On
| Modem is receiving data
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RX
| Red
| Off
| Modem is not receiving data
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OH
| Red
| On
| Modem is off-hook
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OH
| Red
| Off
| Modem is on-hook
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AA
| Red
| On
| Auto-answer enabled
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AA
| Red
| Off
| Auto-answer disabled
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AA
| Red
| Blinking
| Phone is ringing
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EC
| Red
| On
| Error correction enabled
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EC
| Red
| Off
| Error correction disabled
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MR
| Red
| On
| Power is on
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MR
| Red
| Off
| Power is off
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TR
| Red
| On
| DTR signal is high
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TR
| Red
| Off
| DTR signal is low
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RS
| Red
| On
| RTS signal is high
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RS
| Red
| Off
| RTS signal is low
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CS
| Red
| On
| CTS signal is high
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CS
| Red
| Off
| CTS signal is low
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CD
| Red
| On
| Carrier signal detected
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CD
| Red
| Off
| Carrier signal not detected
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CD
| Red
| Blinking
| Modem is retraining
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