500040-00-

The ICG Sigma-7 Backlit (BL) retractor-reel handset is similar to traditional aeronautical handsets in form factor and appearance, but is much simpler and more conventional in its use. The Sigma-7 BL offers features commonly found in office style multi-function handsets. When connected to an ICG Iridium system or CTU, a user has powerful PABX features and functions available. Special features such as backlit buttons and LCD display, noise-canceling microphone, speed dialing, last number redial and mute, make the Sigma-7 BL handset versatile yet convenient and simple to use. The Sigma-7 BL can be recessed into a drink rail or bulkhead. ICG offers an optional data jack (RJ-11) option located on the cradle for connection to a data modem and has a connection for an external ringer for drink rail mount locations. The Sigma-7 BL has an internal magnetic stripe reader to support credit card calling and special function keys to provide enhanced features such as flash transfer and access to programming menus. The device connects to a 2-Wire Tip and Ring telephone circuit or a 4 Wire audio connection and is compatible with all communications systems that offer 2-Wire telecom circuits which meet standard CCITT specifications. The Sigma-7 BL requires 28-volt DC external power either from an aircraft system or from an ICG Iridium or CTU product that commonly provides utility voltage for connection to external telecom devices.

Part Number	Description
744000-00-00	Remote Mounted Retractor Reel w/12" Flex Stub, No Cradle, Black
744000-00-02	Remote Mounted Retractor Reel w/12" Flex Stub, No Cradle, Beige
744000-00-40	Remote Mounted Retractor Reel no Conduit, No Cradle, Black
744000-00-42	Remote Mounted Retractor Reel no Conduit, No Cradle, Beige
744000-10-10	Horizontal Mounted Retractor Reel-48" Long Cradle Black
744000-10-12	Horizontal Mounted Retractor Reel-48" Long Cradle Beige
744000-11-10	Horizontal Mounted Retractor Reel-48" Long Cradle w/ RJ-11 Data Jack, Black
744000-11-12	Horizontal Mounted Retractor Reel-48" Long Cradle w/ RJ-11 Data Jack, Beige
744000-20-00	Remote Mounted Retractor Reel w/12" Flex Stub, Short Cradle, Black
744000-20-02	Remote Mounted Retractor Reel w/12" Flex Stub, Short Cradle, Beige
744000-21-00	Remote Mounted Retractor Reel w/12" Flex Stub, Short Cradle w/ RJ-11 Data Jack, Black
744000-21-02	Remote Mounted Retractor Reel w/12" Flex Stub, Short Cradle w/ RJ-11 Data Jack, Beige

Dimensions: Standard two wire tip and ring loop
Weight: .92Lbs / 420g
Loop Battery Requirement: 16VDC to 48VDC
Loop Current @ 24 VDC Loop Battery: 26ma
On Hook Resistance: 1.2 Ohms
Off Hook Resistance: 260 Ohms
Polarity Sensitivity: None
Fire Retardant: FAR 25.853
EMI/RFI: DO-160D

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