CH1804 Ver la hoja de datos (PDF) - Cermetek Microelectronics
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CH1804 Datasheet PDF : 5 Pages
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Cermetek Microelectronics, Inc.
5) The registration label included must be affixed to
the outside of the host product.
USER MANUAL
The following information should be provided in the
host product user manual.
Type of Service: The (insert 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.
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. If these
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 you have connected to your
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
aII of the REN’s for a given PSTN line should be less
than five to ensure proper service from the telephone
company. In some cases, REN=5 may excessive.
CH1804/A and CH1809/A
If Problems Arise: If any of your telephone equipment
is not operating properly, remove it immediately from
the PSTN 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.
Table 2A. CH1804/A Pin Description
PIN DESCRIPTION FOR CH1804/A
1
TIP 1 –Telco 1
2
RING 1 –Telco 1
3
N.C.
4
Out 1 –Active High Output 1
5
VCC – 5 Volts ± 10%
6
Gnd –Ground
7
N.C.
8
N.C.
9
N.C.
10 N.C.
Table 2B. CH1809/A Pin Description
PIN DESCRIPTION FOR CH1809/A
1
TIP 1 –Telco 1
2
RING 1 –Telco 1
3
N.C.
4
Out 1 –Active High Output 1
5
VCC – 5 Volts ± 10%
6
Gnd –Ground
7
Out 2 –Active High Output 2
8
N.C.
9
TIP 2 –Telco 2
10 RING 2 –Telco 2
2003 Cermetek Microelectronics, Inc.
Page 3
Document No. 607-0015 Revision C (05/03)
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