8 ports FXO/FXS over E1 PCM equipment
8 ports FXO/FXS over E1 PCM equipment
8 ports 2-WIRE 4-WIRE E&M to E1 PCM multiplexer
8 ports VOICES rs232 ethernet over E1 PCM multiplexing
16 ports FXO/FXS over E1 PCM multiplexing
16 ports FXO/FXS over E1 PCM Multiplexing
16 ports 2-WIRE 4WIRE E&M to E1 PCM multiplexer
16 ports voice channel PCM multiplexing
