Description
The E1 Mapper 16-Channel device is designed for add/drop multiplexer, terminal multiplexer, and dual and single unidirectional ring applications.
Features
- 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/negative rail or NRZ E1 interface. Performance counter provided for illegal coding violations.
- Digital desynchronizers.
- J2 16-byte ETSI trail trace comparison.
- Drop buses are monitored for parity, loss of clock, upstream AIS and H4 multiframe errors.
- TU Tandem Connection ETSI message.
TXC-04216_Transwitch.pdf
