Teo NT1B-300TC User Manual

Nt1b-300tc, Installation instructions

Advertising
background image

The Tone Commander
NT1B-300TC converts an
ANSI standard 2B1Q ISDN
U-interface from the telco
Central Office to an S/T
interface to connect to local
customer terminal
equipment. Both
point-to-point and multipoint
ISDN terminal equipment
configurations are
supported.

The NT1B-300TC complies with ANSI T1.601-1992 and
T1.605-1991 interface standards, including MLT (Mechanized
Loop Testing) requirements, and is compatible with National-1
and National-2 ISDN standards. In addition, it may be used as a
drop-in replacement in Lucent NT1B-300 applications, and is
compatible with the Tone Commander NT1B-300 Rack, Lucent
NT1B-310 Rack, and SEI PowerRack 300.

Specifications

Operating Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 – 56.5 VDC
Power Consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.65 W typical
Physical Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.5

x 2.1x 1.1

Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 oz.
Operating Temperature. . . . . . . . . . . . . . . . . . . . 0° – 50° C (32° – 122° F)
Humidity . . . . . . . . . . . . . . . . . . . . . . . . . . . 5% to 95%, non-condensing
Standards Compliance . . . . . . . . . . . . ANSI T1.601-1992, T1.605-1991

FCC Part 15, Part 68

UL, cUL Listed

Optional Equipment (not supplied with NT1)

·

901034 Desktop Power Supply

·

PS-50 Bulk Power Supply

·

8-Position Line Cords

Contact Teo for ordering information.

Important Safety Instructions

·

Never install telephone wiring during a lightning storm.

·

Never install telephone jacks in wet locations unless the jack
is specifically designed for wet locations.

·

Never touch uninsulated telephone wires or terminals unless
the telephone line has been disconnected at the network
interface.

·

Use caution when installing or modifying telephone wires.

·

When powering the NT1 through the Power connector, use
only the Tone Commander Desktop Power Supply (Model
901034).

·

Do not mount the NT1B-300TC within 12

of a heat source.

FCC Requirements

The Tone Commander NT1B-300TC has been tested and found to
comply with the limits for a Class B digital device, pursuant to Part
15
of the FCC Rules. These limits are designed to provide
reasonable protection against harmful interference when the
equipment is operated in a residential environment. This equipment
generates, uses, and can radiate radio frequency energy and, if not
installed and used in accordance with the instruction manual, may
cause harmful interference to radio communications. However,
there is no guaranty that interference will not occur in a particular
installation. If this equipment does cause harmful interference to

radio or television reception, which can be determined by turning
the equipment off and on, the user is encouraged to try to correct
the interference by one or more of the following measures:

·

Where it can be done safely, re-orient the receiving television or
radio antenna.

·

To the extent possible, increase the separation between the
telephone equipment and the television, radio, or other
equipment.

·

If your telephone equipment runs on AC power, plug your product
into an AC outlet that is not on the same circuit as the one used
by your radio or television receiver.

The Tone Commander NT1B-300TC complies with Part 68 of the
FCC Rules. The label affixed to this equipment contains, among
other information, the FCC Registration for this equipment. You
must, upon request, provide this information to your telephone
company

The following jacks must be ordered from the telephone company in
order to interconnect this product with the public communication
network: RJ49C. A plug and jack used to connect this equipmrnt to
the premises wiring and telephone network must comply with the
applicable FCC Part 68 rules and requirements adopted by the
ACTA.

If your NT1B-300TC causes harm to the telephone network, the
telephone company will notify you in advance that temporary
discontinuance of service may be required. But if advance notice
isn't practical, the telephone company will notify the customer as
soon as possible. Also, you will be advised of your right to file a
complaint with the FCC if you believe it is necessary.

Your telephone company may make changes in its facilities,
equipment, operations or procedures that could affect the proper
functioning of your equipment. If this happens, the telephone
company will provide advance notice in order for you to make
necessary modifications to maintain uninterrupted service.

Repair work on this unit must be done by the manufacturer, Teo.

Connectors

Two terminal connectors are provided for convenient terminal
installation; both are parallel connected to the S/T interface.
Pins 7 and 8 of the S/T and U Line connectors (power pins) also
have metallic interconnection.

Termination Switch

The termination switch is located on the front of the NT1.
Available settings are OFF, 100

W, and 50W.

Set the termination switch to match the premises wiring
between the NT1 and the terminals. Several typical wiring
configurations are shown below, with the appropriate
termination switch setting.

Fixed or adaptive timing selection is not required.

The use of Category 3 or better unshielded twisted pair
cable with T568A or T568B connector wiring is
recommended. Distances shown are maximum for
24-gauge wiring cable, and may vary for other cable types.

NT1B-300TC

Installation

Instructions

!

POWER

STATUS

U LINE

RACK

POWER

3 –

6 –

Rx+
Rx-

4 –

5 –

Tx+
Tx-

7 –

8 –

-48V
-48VRTN

Advertising