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Cermetek Microelectronics, Inc. 

High Speed Internet Modem Family 

 

 

2005 Cermetek Microelectronics, Inc. 

Page 7 

Document No. 607-0017-01 Revision A (05/05) 

Table 1.  Summary of Available @T

®

 Commands By Category for CH2165 (continued).

 

Command Query 

 

Description 

DCE and DTE Attributes 

@T

[

BC

][

=n

]

 @T

[

BC

][

?

Select DCE Baud rate, 

n

.  Allowable values: 

n=57600

n=38400

n=19200

n=9600

n=4800

n=2400

By default, if no value is specified, the CH2165 will automatically determine the 

maximum baud rate supported by the PSTN connection.  This is referred to as auto-
bauding.  The 

@TBC

 command is currently NOT ENABLED.  The CH2165 will 

autobaud. 

@T

[

BT

][

=n

]

 @T

[

BT

][

?

Select DTE Baud rate, 

n

.  Allowable values: 

n=57600

n=38400

n=19200

. (Default). 

n=9600

n=4800

n=2400

The 

@TBT

 command currently NOT ENABLED. 

@T

[

BE

][

=n

]

 @T

[

BE

][

?

] Toggle 

DTE 

echo. 

n=on

 Enable DTE echo (default). 

n=off

 Disable DTE echo. 

The 

@TBE

 command is currently ENABLED by the query function, 

@TBE?

, is 

currently DISABLED. 

Email Addresses, Device Name and Email Subject Line 

@T

[

AD

][

=n

]

 @T

[

A

][

?

Set email DESTINATION address, 

n

.  This is the address to which the email will be 

sent.  This is the address that appears in the TCP/IP header. 

@T

[

AE

][

=n

]

 @T

[

A

][

?

Set email ERROR address, 

n

.  This is the address to which reply emails will be sent 

when an email delivery error is encountered by the SMTP server.  This address 
becomes the DESTINATION address of the Error Email and appears in the TCP/IP 
header. 

@T

[

AF

][

=n

]

 @T

[

A

][

?

Set email FROM: address, 

n

.  This is the address that follows the FROM: located in 

the body of the email message.  The FROM address is the address used by the 
POP3 server to retrieve email.  By convention, the FROM: address matches the email 
sender’s address.  However, this is not required for proper delivery of the email 
message.  This address appears in the TCP/IP header. 

@T

[

AR

][

=n

]

 @T

[

A

][

?

Set email REPLY address, 

n

.  This is the address to which reply emails will be sent 

when the Email Reply button is selected.  This address becomes the DESTINATION 
address and appears in the TCP/IP header. 

@T

[

AS

][

=n

]

 @T

[

A

][

?

Set email SUBJECT LINE, 

n

.  This is the subject line that appears in the email 

message. 

@T

[

AT

][

=n

]

 @T

[

A

][

?

Set email TO: address, 

n

.  This is the address that follows the TO: located in the body 

of the email message.  By convention, the TO: address matches the DESTINATION.  
However, this is not required for proper delivery of the email message. 

@T

[

T

][

=n

]

 @T

[

T

][

?

Set Device or Unit Name.  This is the name that appears on the email TO: line before 
the email TO: address.  The iModem.net ISP uses the Device Name in combination 
with the device Serial number to verify identity. 

Display All Parameters 

@T

[

V

][

=n

]

 @T

[

V

][

?

Toggle internet SMTP and POP3 command responses. 

n=0

 Disable Verbose command response.  

@TV?

 returns 

off

n=1

 Enable Verbose command response (default).  

@TV?

 returns 

on

-----

 @T

[

W

][

?

Display all iModem parameters. 

Содержание CH2165

Страница 1: ...products are designed to exploit the internet to facilitate the utilization of machine to machine interactions Using email information can easily be transferred between systems and can be transmitted...

Страница 2: ...e data stream with a CR CR Alternatively messages of finite length can pre stored locally on the CH2165 in RAM memory and then sent when needed The data stream termination sequence for pre stored mess...

Страница 3: ...the issuance by the host processor to the iModem the appropriate T command to send retrieve delete email PSTN dial up logon authentication and email transmission retrieval and or deletion are perform...

Страница 4: ...evels of internet and email status information Using the TCS PPP command the user can monitor all the internet PPP communication Additionally the user can determine internet connectivity status by iss...

Страница 5: ...THE FACTORY all T command communication between the CH2165 iModem and the host processor is conducted over the serial interface at 19 2kbps CH21XX DTE Speed AS DELIVERED FROM THE FACTORY the CH2165 i...

Страница 6: ...ed Password T PI n T PI Set ISP Login password n T PM n T PM Set POP3 email retrieve password n Username T UI n T UI Set ISP Login username n T UM n T UM Set POP3 email retrieve username n POP3 Retrie...

Страница 7: ...ver This address becomes the DESTINATION address of the Error Email and appears in the TCP IP header T AF n T A Set email FROM address n This is the address that follows the FROM located in the body o...

Страница 8: ...ED V Display verbose command syntax Z Display factory default parameter restore command syntax Server Addresses T SS n T S Set SMTP server symbolic name n This symbolic name is used by the CH2165 to d...

Страница 9: ...ircuit PCB 5 No additional circuitry other than that shown in Figure 3 may be connected between the iModem module and the RJ 11C jack Doing so will invalidate the conveyed FCC approval 6 The iModem th...

Страница 10: ...tions will be provided by the FCC within 30 days of their request for the same Telephone Company Procedure The goal of the telephone company is to provide the best service it can In order to do this i...

Страница 11: ...INPUT Active LOW Switching off DTR can either return modem to command state disconnect phone call or reset modem DTR should be set LOW when not in use 14 DSR O DATA SET READY LOW indicates handshakin...

Страница 12: ...lab to verify compliance For Canada use either 10 resistors carbon film or SMD parts 1 8 watt minimum as described in paragraph B above 2 Over Voltage and Lightning Protection A Surge Protection is p...

Страница 13: ...iModem Electrical Specifications Symbol Characteristic Min Typ Max Units VCC Positive Supply Voltage 4 5 5 0 5 5 V ICC Off Hook Nominal Operating Current VCC 5 5V when modem is Off Hook 300 0 mA VIH...

Страница 14: ...0 mA Return Loss 1000 Hz 15 dB 600 Ohm Ring Frequencies 18 20 30 Hz Receiver Insertion Gain 0 5 0 0 0 5 dB Transmit Power 9 5 dBm 600 Ohm Data Mode First Character After Reset See Note 1 25 0 sec Dela...

Страница 15: ...ts or other rights of third parties resulting from its use No license is granted under any patents or patent rights of Cermetek Cermetek provides the user with a FCC USA and IC Canada Approved or Appr...

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