Hot Products

Sale Items



Tech Info


Used Gear



ADTRAN ATLAS 550 1200305L2
6 Slot, Enterprise Integrated Access Device
ATLAS 550 E1 Base Unit, AC 1200306L2
ATLAS 550 T1 Base Unit, DC 1200550L2

ADTRAN ATLAS 550 1200305L2
ATLAS 550 E1 Base Unit, AC 1200306L2
ATLAS 550 T1 Base Unit, DC 1200550L2

  • Functions as a multi T1 IAD, 1/0 DACS, NxT1 Inverse Multiplexer, ISDN switch, IP router, and Frame Relay concentrator/switch
  • Switchboard supports circuit switching applications such as intelligent call routing, overbooking and leastcost routing based on phone numbers in the dial plan
  • Includes IP routing software with support for PPP and Frame Relay Layer 2 protocols
  • DHCP client/ server
  • Sixslot modular platform
  • Two network interface slots one T1/PRI module included with base unit and four user slots
  • Supports up to 18 T1/PRI ports
  • Supports E1, PRA, and BRI S/T interfaces for global applications
  • Net3 and Net5 EuroISDN protocols supported
  • Maximum backplane bandwidth for TDM applications is nine T1s through the chassis
  • Hot swappable modules
  • 10/100BaseT Ethernet LAN interface for SNMP/Telnet management and routing
  • AC or DC power
  • DC version accepts +24 VDC and 48 VDC input


ATLAS 550 1200307L1 T1/PRI Network Interface Module 
ATLAS 550 1200341L1 Modem Management Module 
ATLAS 550 1200309L1 Octal FXS Module 
ATLAS 550 1200328L1 Quad FXS Module 
ATLAS 550 1200310L1 Octal FXO Module 
ATLAS 550 1200329L1 Quad FXO Module 
ATLAS 550 1200313L1 Octal E&M Module 
ATLAS 550 1200311L1 Dual Nx56/64 V.35 Module 
ATLAS 550 1200314L1 Dual T1/PRI Module 
ATLAS 550 1200755L1 Quad T1/PRI Module 
ATLAS 550 1200315L1 Quad BRI Module 
ATLAS 550 1200764L1 Quad BRI 'S/T' Module 
ATLAS 550 1200324L1 Resource Host Module 
ATLAS 550 4200754L1 Dual 449/V.36 USSI Module 
ATLAS 550 4200754L2 Dual EIA530 USSI Module 
ATLAS 550 4200754L3 Dual X.21/V11 USSI Module 
ATLAS 550 4200754L4 Dual EIA232 USSI Module 
ATLAS 550 1200342L1 Legacy Data Module 
ATLAS Legacy 1200348L1 Data Module V.35 Cable 
ATLAS 550 1200766L1 Ethernet Switch Module 
ATLAS 550 1200346L1 NxT1 HSSI Module 
ATLAS 550 1200346L2 NxT1 HSSI/V.35 Module 
ATLAS NxT1 1200763L1 V.35 Adapter Cable 
ATLAS 550 1200312L5 4 Channel Voice Compression Module 
ATLAS 550 1200312L1 8 Channel Voice Compression Module 
ATLAS 550 1200312L2 16 Channel Voice Compression Module 
ATLAS 550 1200312L3 24 Channel Voice Compression Module 
ATLAS 550 1200752L1 32 Channel ADPCM Module 
ATLAS 550 1200326L1 Nx56/64 BONDING Module 


ATLAS 550 4200305L1 T1toPRI Converter 
ATLAS 550 4200305L2 Video Switch 
ATLAS 550 4200305L3 4 T1 HSSI/V.35 Inverse Multiplexer 
ATLAS 550 4200305L4 8 T1 HSSI/V.35 Inverse Multiplexer 
ATLAS 550 4200305L7 PRI Channel Bank 

Data Connect Enterprise offers fulfillment of ADTRAN products
DCE also carries Like New, Refurbished, and Used ADTRAN equipment for resale and purchase
Enhanced Warranty Protection Coverage

Adtran Enterprise Product Specialists

Adtran Products Page



Sales Ext 17   Support Ext 25

2019 Data Connect Enterprise
Olandwood Court
Olney, Maryland 20832