The Spirent DLS8134 is a DSL simulator that emulates real-world loop conditions and impairments across multiple DSL technologies. It enables performance validation and troubleshooting of ADSL, ADSL2, ADSL2+, and VDSL2 equipment and services through precise control of cable characteristics, loop length, and noise injection.
Technical Specifications
Supported Technologies: ADSL, ADSL2, ADSL2+, VDSL2, SHDSL, and ADSL2++
Bandwidth: 30 MHz
Cable Models: PE04 and 26AWG
Loop Length Configuration:
• PE04: 0 to 7 km in 100 m increments
• 26AWG: 0 to 21 kft in 250 ft increments
Noise Source: Additive white Gaussian noise (AWGN) from −90 dBm/Hz to −140 dBm/Hz in 0.25 dB increments
Form Factor: 2U rack-mountable chassis
Control Interfaces: Front-panel LCD display with manual control; rear RS232 serial port for remote operation
– Key Features
• Single-line DSL simulator for lab and field validation
• Adjustable impairment injection via AWGN source with fine 0.25 dB resolution
• Dual cable model support accommodates both metric and imperial measurement requirements
• Granular loop length simulation in industry-standard increments
• LCD front-panel display for real-time parameter visibility
– Typical Applications
• DSL modem and gateway qualification testing
• Loop impairment impact analysis
• Service provider equipment validation
• Troubleshooting DSL line performance issues
• Network equipment development and field trials
– Compatibility & Integration
The DLS8134 integrates with DSL testing workflows via RS232 remote control, enabling scripted test automation and integration into broader test systems. Spirent provides software updates and technical support through their Customer Service Center.
