The 42219A is a High Speed Serial Interface Module. The 42219A HSSI interface module gives both the Fireberd 4000 and 6000 the ability to test circuits and equipment operating from 56 kb/S to 52Mb/S.
The 42219A performs Bir Error Rate (BER) testing on out-of-service high speed links, emulates Data Transmission Equipment (DTE) at high speeds and allows Frame Relay testing with a load rate up to 8 Mb/S on a line rate from 56 kb/S to 52 Mb/S (Fireberd 6000 only, requires option 6010 or 6011).
Acterna 42219A HSSI Interface Adapter Module and other Network Testing Modules for sale at Test Equipment Center.
Acterna 42219A products for sale at Test Equipment Center are thoroughly tested, and receive electrical and cosmetic reconditioning as needed prior to sale. All products include a 90 day warranty from Test Equipment Center to ensure your complete satisfaction.
Test Equipment Center sells used Network Testing Modules and Network Testing Products from Acterna , TTC, JDSU, and many other test equipment manufacturers.
622 Mb/s (STS-12c/STM-4) Optical Line Interface VXI Module
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Verify physical layer integrity through bit error rate testing (BERT) 
