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If your unit causes harm to the telephone network, the telephone company may
discontinue your service temporarily. If possible, they will notify you in advance. But if
advance notice is not practical, you will be notified as soon as possible. You will be
advised of your right to file a complaint with the FCC.
Your telephone company may make changes in facilities, equipment, operations, or
procedures that could affect the proper operation of your equipment. If so, you will be
given advance notice so as to give you an opportunity to maintain uninterrupted service.
No repairs may be performed by the user. Should you experience difficulty with this
equipment, refer to the
Warranty, Sales, Service, and Training Information
on page 32.
Make the T1 network connection using a Universal Service Order Code (USOC) type
RJ48C jack for single-line installations and type RJ48H jack for multiline installations.
Specify both the Service Order Code 6.0F, as well as the proper Facility Interface Code,
to the telephone company when ordering the T1 line. The T1 equipment can be
configured to support any of the framing format and line signaling techniques shown in
the table below. The T1 equipment’s configuration must correspond to the T1 line’s
parameters.
T1 Facility Interface Codes
When the unit has an ISDN PRI DBM, make the ISDN PRI connection using a
USOC-type RJ48C jack. When ordering an ISDN line from the telephone company,
specify the following:
Service Order Code 6.0F
Facility Interface Code 04DU-1SN
Up to 23B Service for an ISDN PRI DBM – Supports up to 23 circuit-switched
B-channels, with one local phone number for the entire T1 network connection.
Circuit Switched Data capability should be specified.
Make the modem connection using a USOC-type RJ11C jack. The modem cannot be
used on public coin phone service provided by the telephone company. Connection to
party-line service is subject to state tariffs. Contact the state public utility commission,
public service commission, or corporation commission for tariff information.
After the telephone company has installed the requested services and jacks, you can
connect the unit with the cable provided. An FCC-compliant telephone cord and modular
plug are provided with this equipment. This equipment is designed to be connected to
the telephone network or premises wiring using a compatible modular jack that is
Part 68 compliant.
Interface Code Description
04DU9-BN 1.544 Mbps superframe format (SF) without line power
04DU9-DN 1.544 Mbps SF and B8ZS without line power
04DU9-1KN 1.544 Mbps ANSI ESF without line power
04DU-1SN 1.544 Mbps ANSI ESF and B8ZS without line power