ch1786nh ETC-unknow, ch1786nh Datasheet - Page 12

• Manufacturer Part Number: ch1786nh
• Description: Ch1786 Family Ultra Small 2400bps Modems
• Manufacturer: ETC-unknow

Cermetek Microelectronics, Inc.
prohibited.
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 58, sub-
part F, specifically the dimensions, tolerances and
metallic plating requirements.
these connectors will be assured by purchase
specifications
Documentation
inspections will be provided to the FCC within 30
days of their request for the same.
Telephone Company Procedures. The goal of the
telephone company is to provide you with the best
service it can. In order to do this, it may occasionally
be necessary for them to make changes in their
equipment, operations or procedures.
changes might affect your service or the operation of
your equipment, the telephone company will give you
notice, in writing, to allow you to make any changes
necessary to maintain uninterrupted service.
In certain circumstances, it may be necessary for the
telephone company to request information from you
concerning the equipment which you have connected
to your telephone line.
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 your 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 given line.
Consult your telephone provider.
If Problems Arise.
equipment is not operating properly, you should
immediately remove it from your 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 you in advance of this disconnection. If
advance notice is not feasible, you will be notified as
soon as possible.
When you are notified, you will be given the
opportunity to correct the problem and informed of
your right to file a complaint with the FCC. Contact
your local telephone service provider if you have nay
questions about your phone line.
2003 Cermetek Microelectronics, Inc.
Connection to party lines service is
of
and
such
If any of your telephone
incoming
specifications
Upon request of the
The compliance of
inspection.
If theses
and/
or
Page 12
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 of (insert your company name). For
information contact: (insert your company address).
DEFAULT STATUS, PERFORMANCE, AND
SPECIFICATIONS
The following is a summary of the Default
Configuration
Microelectronics, Incorporated, prior to delivery
of the CH1786.
Async mode selected
2400bps
Bell 212A operation at 1200bps
Even parity
Auto answer enabled (Disabled on CH1786NH)
Command echo ON
All result codes enabled –extended
Wait for dial tone before dialing =2 seconds
Detects busy signal
Full word result codes
Pulse dial make/break ratio =39/61
DSR enabled
Modem enabled DTR (Disabled on CH1786NH)
DCD enabled (Disabled on CH1786NH)
Speaker enabled but off when receiving carrier
Speaker volume set to medium
Local modem will grant RDL request from remote
modem
Guard tones disabled
Minimum DTR pulse width =0.1 seconds
Ring count =01 (CH1786)
Escape code character =43
Carriage return character =13
Line feed character =10
Back space character =08
Duration of wait for dial tone =02 seconds
Duration of wait for carrier after dialing =30 seconds
Duration of dial pulse (comma)=02 seconds
Carrier detect response time =0.1 seconds
Escape code guard time =1 second
Length of use after comma =2.0 seconds
Last carrier to hang up delay =0.1 seconds
DTMF interdigit delay =0.1 seconds
DTMF Attenuation =-4dB
Sleep mode inactivity time =5 seconds
Long space disconnect disabled
CH1786 Family of Ultra Small 2400bps Modems
Document No. 607-0004 Revision L1 (06/03)
Profile
installed
by
Cermetek