PDH Optic Multiplexer  
  4E1 Digital PDH Optic Multiplexer  PDF FILE

HTD PDH optic multiplexer product family provides ideal solutions for building fiber base E1 or T1 networks. HTD-4E1 is a family of PDH multiplexer, it can multiplex to 4E1 signals for transmission over an optical fiber, resulting in reaching a longer distance without a repeaters and superior performance compared to copper media. It has one digital service telephone.

PDH Optic Multiplexer  
  8E1 Digital PDH Optic Multiplexer  PDF FILE
HTD PDH optic multiplexer product family provides ideal solutions for building fiber base E1 or T1 networks. HTD-8E1 is a family of PDH multiplexer, it can multiplex to 8E1 signals for transmission over an optical fiber, resulting in reaching a longer distance without a repeaters and superior performance compared to copper media. It has one digital service telephone.
PDH Optic Multiplexer  
  16E1 Digital PDH Optic Multiplexer  PDF FILE

HTD PDH optic multiplexer product family provides ideal solutions for building fiber base E1 or T1 networks. HTD-16E1 is a family of PDH multiplexer, it can multiplex to 16E1 signals for transmission over an optical fiber, resulting in reaching a longer distance without a repeaters and superior performance compared to copper media. It has one digital service telephone.