TAK's one of main products is E1 over fiber PDH E1 multiplexer series,there are various model for different function,this article will summarize our company's E1 over fiber PDH E1 multiplexer:

Single type E1 multiplexer:  

4E1 PDH Multiplexer  

8E1 PDH Multiplexer  

16E1 PDH Multiplexer

4E1+4FE 1+1 fiber redundancy PDH Multiplexer 

 8E1+4FE 1+1 fiber redundancy PDH Multiplexer  

16E1+4FE 1+1 fiber redundancy PDH Multiplexer  

16E1+3FE+1FX 1+1 fiber redundancy PDH Multiplexer  

16E1+4FE 1+1 fiber redundancy PDH Multiplexer(Physical isolation)

4E1+Ethernet PDH Multiplexer 

4E1+4×Ethernet PDH Multiplexer 

 8E1+4×Ethernet PDH Multiplexer  

16E1+4×Ethernet PDH Multiplexer

16E1+Gigabit Ethernet PDH Multiplexer

 16E1+4×Gigabit Ethernet PDH Multiplexer 

16E1+LCD+SNMP PDH Mux  

LCD + 4×Ethernet+ 4 multifunction slots+Console or SNMP, 1+1 fiber redundancy PDH Mux

Additional function:  

•  SNMP,console management  
• LCD display 
•  Extended service interface can be used as E1 signal, RS232/ (asynchronous RS485/RS422 data, FXO/FXS or EM2/4 line,V.35
• Order wire function  
• AC220V,DC48V dual power supply  
• Transmitting distance up to 120 KM  
• desktop or card type in chassis optional

16E1 Multiplexer Series:

8E1 PDH multiplexer Series:

4E1 PDH Mux series: