zatheesh2k7's articles:

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OTN query 1 47 (10/20/2010 11:16:29 AM) comp.dcom.sdh-sonet Huub, In SDH, the base period is always 125 micro sec, which resulted the Frame rate to be 8000 frames per sec, irrespective of the STM size. Whereas in OTN, the Frame size is kept constant irrespective of OTU... zatheesh2k7

PDI_P alarm regarding 1 26 (6/7/2010 12:47:56 PM) comp.dcom.sdh-sonet Hi Huub How can i get PDI-P alarm?? What is the range for expected & received C2 byte? How PDI-P differs from PLM-P? Pl clarify this. ... zatheesh2k7

Link Fault Signalling & consequent actions-reg. 1 494 (2/15/2010 6:53:54 AM) comp.dcom.sdh-sonet Dear Huub Can you pl suggest a proper document/standard on 10G over SONET/SDH?? I want to know more on Link Fault Signalling & subsequent actions. Regds Satheesh ... zatheesh2k7

Synchronous Ethernet?? 1 246 (1/22/2010 4:16:26 AM) comp.dcom.sdh-sonet Dear Huub What is synchronous ethernet??Does it standardised?? Suggest me the standard. Regds Satheesh ... zatheesh2k7

B2 error injection regarding. 1 236 (12/31/2009 5:08:36 AM) comp.dcom.sdh-sonet Dear Hub Pl clarify the following TS======= = SONET NODE= =LB ---- XCC----- I am injecting B2 error from the Test set towards my SONET node via a OC12 link. It is obseved that... zatheesh2k7

Why no. of rows 9 in SDH? 1 129 (9/18/2009 7:58:22 AM) comp.dcom.sdh-sonet Sir Can you tell why no. of rows is fixed(9) always in SDH??? Satheesh ... zatheesh2k7

AU4 pointer justification-Reg. 3 323 (8/13/2009 10:22:16 AM) comp.dcom.sdh-sonet Dear Sir, In SDH, for a frequency offset of +20PPM, the AU4 pointer adjustment period was observed to be 8 msec for an STM-1 frame with either VC4 filled OR VC12 bulk filled. That is the SDH mux decrement ... zatheesh2k7

Why -48 voltage?? 1 152 (7/9/2009 11:42:17 AM) comp.dcom.sdh-sonet Pl clarify me Why -48 volt is used in telecommunication?? why not +48 volt?? ... zatheesh2k7

Can RDI alarm initiates traffic switching?? 2 946 (6/14/2009 3:53:44 AM) comp.dcom.sdh-sonet Pl tell me whether LP-RDI, HP-RDI & MS-RDI are traffic affected alarms?? I want to know, whether these alarms can initiate SNCP & MSP/ MSSP protection switching respectively?? ... zatheesh2k7

Signal Degrade clearing 1 60 (5/5/2009 2:21:20 AM) comp.dcom.sdh-sonet Sir I am not able to think at the following question, especially the numerical figure. Normally why Signal Fail on B1 for a STM16 link can be cleared in less than (1/400) th of time compared to clearing Signa... zatheesh2k7

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differntial delay 3 36 (11/18/2008 11:07:59 AM) comp.dcom.sdh-sonet As i know the theoretical differential delay can be maximum of 256ms. How do different vendor keep say 64 ms as the differential delay?? In this case what is the correspondence between differential delay and th... zatheesh2k7 (19)

Synchronization of DWDM 5 32 (11/29/2008 5:10:52 PM) comp.dcom.sdh-sonet Sir, Can you please tell me why DWDM is not synchronous? Does it depends on data rate? Satheesh ... zatheesh2k7 (19)