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ONET1131EC: ONET1130EC test issue.

Part Number: ONET1131EC
Other Parts Discussed in Thread: ONET1130EC, ONET1151L

Hi all , 

we have design with ONET1130EC+ ONET1151L use for 10G SFP+ LRE project , we meet some test issue from our end customer  , below is the test spreadsheet and description . when the Module input is disconnection , we need the output also nothing , but the module still output modulating signal , we have tried many method ,but we still can’t solve it . pls help to check how to solve the issue.thanks .

  1. When the module is normal input signal ,the spreadsheet as below.

3.when the input signal is Open(disconnect module), the spreadsheet as below.

4.When 1151 LD- No input modulating signal.the spreadsheet as below

5.When 1151 LD+ No input modulating signal.the spreadsheet as below

6.when the 1131EC TX-DIS ,the spreadsheet as below

7.When Set 1130EC TX_DIS、CDR DIS、1151 DIN+ push down 15k Ohm to GND,DIN-pull up 27KOhm to VCC,the spreadsheet as below.