Adtran Atlas 550 4-Channel Voice Compression Module 1200312L5

The Adtran 1200312L5 is a 4-channel card that compresses 4 G.711 calls into 24 G.723.1 phone calls. The Adtran 1200312L5 can compress up to 4 DS0 circuits into G.723.1 calls at 6:1 compression ratio. The card can be use with Adtran Atlas 550 IADs. Adtran...

Adtran Atlas 550 4 T1 HSSI/V.35 Inverse Multiplexer 4200305L3

The Adtran Atlas 550 inverse multiplexer supports four T1 (DS1) circuits and a HSSI/V.35 serial interface. The Adtran Atlas 550 support breakout of the HSSI interface into the four T1 circuits. The Adtran Atlas 550 can be rack mounted into any standard...

Adtran Atlas 550 32 Channel ADPCM Module 1200752L1

The Adtran 1200752L1 is a 32 channel voice compression module. The 32 channel ADPCM compresses G.711 DS0 64k signals into G.726 voice compression. The Adtran 1200751L1 plugs onto Adtran Atlas 550 ADPCM modules or a resource host module. Adtran 1200752L1...

Adtran Atlas 550 24-Channel Voice Compression Module 1200312L3

The Adtran 1200312L3 is a 24-channel card that compresses 16 G.711 calls into 144 G.723.1 phone calls. The Adtran 1200312L3 can compress up to 24 DS0 circuits into G.723.1 calls at 6:1 compression ratio. The card can be use with Adtran Atlas 550 IADs...

Adtran Atlas 550 19" Inch Rack Mounts

The Adtran Atlas 550 rack mounts are specially designed tabs to mount the Atlas 550 into any standard 19" server rack. The Atlas 550 is a 3U rack mount high unit that occupies three standard slots. Includes: (2) 19" Adtran Atlas 550 Rack Mounts Screws...

Adtran Atlas 550 16-Channel Voice Compression Module 1200312L2

The Adtran 1200312L2 is a 16-channel card that compresses 16 G.711 calls into 96 G.723.1 phone calls. The Adtran 1200312L2 can compress up to 16 DS0 circuits into G.723.1 calls at 6:1 compression ratio. The card can be use with Adtran Atlas 550 IADs...

Adtran Atlas 800 Series Dual RS-449 Video Module 4200773L3

The Adtran 4200773L3 is a dual port video module for the Adtran Atlas 800 series gateways. The video module supports connections via dual RJ-449 ports. DTE rates from 112kb/s to 1.472 Mbps are supported in the Adtran 4200773L3 when combined with the...

Adtran Atlas 800 Series Dual EIA-530 Video Module 4200773L2

The Adtran 4200773L2  Dual EIA-530 Video Module is designed for the Adtran Atlas 800 series units. The Adtran 4200773L2 provides two independent Video Ports used for video conferencing applications. Each of the ports provides an RS-366 dialing...