TXC-04216 16-channel equivalent, e1mx16 device e1 mapper 16-channel.
* Add/drop sixteen 2.048 Mbit/s signals from an STM-1 VC-4/AU-3, STS-3, or an STS-1
* Independent add and drop bus timing modes
* Selectable HDB3 positive/neg.
Four field-proven QE1M Quad E1 Mapper chips are interconnected in a single compact package to permit higher application.
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