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Cermetek Microelectronics, Inc. 

High Speed Internet Modem Family 

 

 

2005 Cermetek Microelectronics, Inc. 

Page 10 

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

FCC REGISTRATION 

All CH2165 iModem products are registered with the 
FCC under Part 68.  To maintain the validity of the 
registration, notice of the restrictions the FCC places 
on the iModem and its use must be served to the end 
user of the product containing the iModem. 
 
In addition to restriction notification, the FCC requires 
that Cermetek make all repairs to all products in the 
iModem family.  If repairs are necessary after 
installation of the iModem and the end product has 
been delivered to the end user, the end product must 
be returned to the end product supplier where the 
iModem can be removed and then forwarded to 
Cermetek for repair.  The following notice is 
recommended and should be included in the end 
product’s user manual. 
 
 

FOR YOUR USER’S MANUAL 

The Part 68 rules require the following (or equivalent) 
be provided to the end user of the equipment 
containing an iModem device. 
 

Type of Service:

 The (insert end product name) is 

designed to be used on standard device telephone 
lines.  It connects to the telephone line by means of a 
standard jack called the USOC RJ-11C (or USOC 
RJ45S).  Connection to telephone-company-provided 
coin service (central office implemented systems) is 
prohibited.  Connection to party lines service is subject 
to state tariffs. 
 

Changes in Attestation Procedure for Plugs and 
Jacks:

  (Name of applicant) attests that the network 

interface plugs or jacks used on this equipment comply 
with and will continue to comply with the mechanical 
requirements specified in Part 68, Sub-part F, 
specifically the dimensions, tolerances and metallic 
plating requirements.  The compliance of these 
connectors will be assured by purchase specifications 
and incoming inspection.  Documentation of such 
specifications and/or inspections 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, it may occasionally be 
necessary for the telephone company to make 
changes to their equipment, operations or procedures.  
If these changes might affect service provided to the 
users or the operation of the user’s equipment, the 
telephone company will give the user notice, in writing, 
to allow the users to make any changes necessary to 
maintain uninterrupted service. 
 
In certain circumstances, it may be necessary for the 
telephone company to request information from the 
users concerning the equipment which the user has 
connected to the telephone line.  Upon request of the 
telephone company, provide the FCC registration 
number and the ringer equivalence number (REN); 
both of these items are listed on the equipment label.  
The sum of all of the REN’s on the user’s telephone 
lines should be less than five in order to assure proper 
service from the telephone company.  In some cases, 
a sum of five may not be useable on a given line.  
Consult your telephone provider. 
 

If Problems Arise:

  If any of the user’s telephone 

equipment is not operating properly, the user should 
immediately remove it from the user telephone line, as 
it may cause harm to the telephone network.  If the 
telephone company notes a problem, they may 
temporarily discontinue service.  When practical, they 
will notify the user in advance of this disconnection.  If 
advance notice is not feasible, the user will be notified 
as soon as possible. 
 
When the user is notified, the user will be given the 
opportunity to correct the problem and informed of 
their right to file a complaint with the FCC.  Contact the 
local telephone service provider if any questions arise 
concerning the telephone service. 
 
In the event repairs are ever needed on the (insert 
your product name), they should be performed by 
(insert your company name), or an authorized 
representative or (insert your company name).  For 
information contact: (insert your company address). 

 

Summary of Contents for CH2165

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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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