Telex IFB-1000 Data Sheet

IFB-1000

Beltpack

Portable, single-channel, listen-only beltpack. High-quality audio receive circuit. Rugged low-prole metal case with sturdy belt
clip. Recessed volume control. Power on indicator. One 3-pin XLR connector for party line connection. ¼ inch phone jack for
earphone or earset. Uses same cables and wall plates as BP-1002. Powered from party line.

Features

Volume Control

Use this control to adjust the headphone/earset listen level.

On Indicator

This LED glows green when the belt pack is connected to an intercom channel that is functioning.

Headphone/Earset Connector

This connector accepts a wide-response earset, such as the Telex® EMV-2 (catalog number 60194-001), with a ¼” monaural
phone plug.

Intercom Channel Connectors

The IFB-1000 intercom channel is connected via a 3-pin female connector. The IFB-1000 is powered from the intercom sys­tem power supply and will turn on with the intercom system.

Clear-Com™ Compatible

Line Drawing

IFB-1000 Specications

Contact Information

Telex Communications, Inc.
12000 Portland Avenue South
Burnsville, Minnesota 55337
Telephone: [phone]
Fax: [phone]

Form Number: PA20311
Date: February, 2006

General

Channel Supplied Power Requirements:

+24 VDC nominal (standard Audiocom® line), 50 to 80 mA

Environmental Requirements:

Storage: -20°C to 80°C; 0% to 95% humidity, non-condensing

Operating: 0°C to 50°C; 0% to 95 % humidity, non-condensing

Dimensions: 3.25” (82.6 mm) high, 3.5” (88.9 mm) wide, 1.8” (45.7 mm) deep

Weight: 1.0 pounds (0.45 kg)

Interface Requirements

Earset:

150 to 600 ohm headphones

Balanced Intercom Channel Level & Impedance:

1 Vrms nominal; 300 Ω ±5%

Noise Contribution:

Less than -60 dB on the line.

Headphone Amplier

Voltage Gain:

27 ±3 dB from the line

Maximum Output:

60 mW into 150 Ω

Frequency Response:

200 Hz to 8 kHz +1/-3 dB

Connector Pin Congurations

Headphone Connector:

Type: ¼” Monaural Plug

Sleeve Headset audio low

Tip Headset audio high

Ordering Information

IFB-1000

Belt Pack
Catalog Number: 90007477000

This specications information is preliminary and is subject to change without notication.

Brand names mentioned are the property of their respective companies.