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Cermetek Microelectronics, Inc. 

High Speed Internet Modem Family 

 

 

2005 Cermetek Microelectronics, Inc. 

Page 8 

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

Table 1.  Summary of Available @T

®

 Commands By Category for CH2165 (continued).

 

Command Query 

 

Description 

Static RAM Memory Management 

@T

[

W

][

=flash

]

 

----- 

Store all files and Configuration Profile changes currently in Cache RAM to Flash 
memory.  Files stored in Flash memory will be retained when power is removed. 

Help Topics 

-----

 @T

[

H

][

?=n

Displays details for specified command, 

n

, and provides an example of command 

usage.  See supported commands below. 

-----

 @T

[

H

][

?

Displays all supported commands.  Currently: 

A

  Display Addresses and Subject Line command description syntax. 

C

  Display PPP connectivity command syntax. 

D

 Display send email command syntax.  This Help feature currently NOT 

IMPLEMENTED. 

E

 Display retrieve email command syntax.  This Help feature currently NOT 

IMPLEMENTED. 

I

  Display IMAP and POP3 email command syntax. 

M

  Display create or view email message command syntax.

 

N

  Display local POP access phone number command syntax. 

P

  Display password command syntax. 

S

  Display mail/SMTP server command syntax.

 

U

 Display username command syntax.  This Help feature currently NOT 

IMPLEMENTED. 

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 

determine the SMTP server address. 

@T

[

SM

][

=n

]

 @T

[

S

][

?

Set POP3 server symbolic name, 

n

.  This symbolic name is used by the CH2165 to 

determine the POP3 server address. 

Internet Connectivity Status 

@T

[

CS

][

=PPP

]

 

----- 

Displays all PPP connectivity information, including iModem’s dynamic IP address. 

@T

[

CS

][

=PING

]

 

----- 

Sends four successive ping commands to the imodem.net ISP server. 

TCP Management 

@T

[

CP

][]

 

----- 

Establish TCP connection.  This command causes the CH2165 to perform the 
following tasks in the order listed: 

1.  Go Off-Hook and dial POP phone number specified 

@TN=n

 command. 

2.  Connect to internet using Login ISP Username specified by 

@TUI

 command and 

ISP Login Password specified by 

@TPI

 command. 

3.  Obtain IP address and establish TCP socket connection. 

@T

[

CT

][]

 

----- 

Terminate TCP connection.  This command causes the CH2165 to perform the 
following tasks in the order listed: 
1.  Close TCP socket connection. 
2.  Disconnect from the internet. 
3. Go On-Hook. 

Factory Defaults 

@T

[

Z

][]

 @T

[

Z

][

?

Restores the factory default parameter values.  Factory defaults are “as programmed 

by the factory” parameters and are based on customer supplied information.  All 
parameters have factory default values EXCEPT the email message body.  These 
parameters are not user modifiable. 

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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