CMS Document 4802-v4

Versatile TransReceiver (VTRx) and Twin-Transmitter (VTTx) modules.

Document #:
CMS-doc-4802-v4
Document type:
Technical Data
Submitted by:
Tullio Grassi
Updated by:
Tullio Grassi
Document Created:
16 May 2011, 10:55
Contents Revised:
20 Aug 2014, 09:34
Metadata Revised:
25 Jul 2018, 15:31
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Other Versions:
CMS-doc-4802-v3
20 Aug 2014, 08:59
CMS-doc-4802-v2
10 Aug 2014, 14:50
CMS-doc-4802-v1
06 Jul 2011, 16:13
Abstract:
THE MOST RECENT DOCUMENTS ARE :
1) https://edms.cern.ch/document/1140665/1
2) https://espace.cern.ch/project-versatile-link/public/Versatile%20Link%20Public%20Documents/Forms/AllItems.aspx --> Application Note.

The PCBs are COLOR CODED as:
black = VTTx
green = SM VTRx --> 1310 nm
red = MM VTRx --> 850 nm

As of SEPT 2015, the position of the mounting holes of the SM VTRx could change from what is documented.

Test results of individual devices are stored on cern.ch/optodb but you need access rights from the VTRx team.

The VTRx module require a 1K pull-up to 2.5V on RSSI in order to properly measure the RX current (not mentioned on the documents)

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