CH1786LC Cermetek Microelectronics, CH1786LC Datasheet - Page 12

• Manufacturer Part Number: CH1786LC
• Manufacturer: Cermetek Microelectronics

Specifications of CH1786LC

• Main Category: Single Chip
• Data Rate: 2.34375Kbps
• Power Supply Type: Analog
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (min): 4.75V
• Operating Supply Voltage (max): 5.25V
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Through Hole
• Lead Free Status / RoHS Status: Supplier Unconfirmed

Cermetek Microelectronics, Inc.
9. The supplied FCC registration label must be
10. The product’s User Manual must provide the user
CH1786 HANDLING AND ASSEMBLY
RECOMMENDATIONS
The CH1786 contains static-sensitive components
and should only be handled by personnel and in
areas that are properly protected against static
discharge.
techniques for physically connecting the CH1786 to a
PCB are discussed below.
Figure 6.
allow for call progress monitoring.
Direct Soldering.
soldered.
sealed (except the CH1786NH) and will not be
harmed
processes. Cermetek recommends against exposing
the non-hermetic CH1786NH to aqueous based
rinsing processes.
Socketing.
eliminates cleaning and desoldering concerns. When
the socket is used, it must make a solid connection to
all pins.
intermittent operation. Also, steps should be taken to
assure that the module remains tightly seated in the
socket during shipping. Cermetek recommends using
sockets from Samtec. See Application Note # 130,
Summary of Recommended Suppliers.
2004 Cermetek Microelectronics, Inc.
applied visibly on the outside of the product.
with instructions for connection and use as
recommended in the FCC Registration Section
below.
by
Failure to do so will cause unreliable or
All CH1786 products are hermetically
Speaker Control Circuit: Optional to
The socketing approach to mounting
industry
The
two
The CH1786 may be wave
standard
recommended
wave
mounting
soldering
Page 12
FCC REGISTRATION
All products in the CH1786 family are registered with
the FCC
under Part 68.
registration, you must serve notice to the end user of
the products of several restrictions the FCC places on
the modem and its use.
In addition to restriction notification, the FCC requires
that Cermetek make all repairs to all products in the
CH1786 family.
installation of the CH1786 in the end product and the
end product has been delivered to the end user, the
end product must be returned to the end product
supplier where the CH1786 can be removed and then
forward 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 FCC Part 68 rules require the following (or
equivalent) be provided to the end user of equipment
containing a DAA.
Type of Service. The (insert end product name) is
designed to be used on standard device telephone
lines. It connects tot he 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.
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.
(Federal Communications Commission)
Connection to party lines service is
CH1786 Family of Ultra Small 2400bps Modems
of
and
Document No. 607-0004 Revision L4 (08/04)
To maintain the validity of the
If repairs are necessary after
such
incoming
specifications
The compliance of
inspection.
If theses
and/
or