How to test PDH E1 fiber multiplexer in lab?
when user want to test the PDH E1 fiber multiplexer before sending to the site to use, user can test in below 2 solutions:
Solution 1: test with bit error tester
Solution 2: If you don’t has Bit Error Ratio Tester, if you has E1 to Ethernet converter
Address: NO.220, Qiutao Road, HangzhouCity,Zhejiang Province, China 
Tel: 0086-571-28184719
Fax: 0086-571-28184719
