Telecraft designed this family of SONET fiber optics testing products for Telesync, including all of the electrical
and mechanical engineering. The
TSI-5320 test system provides optical testing at rates from OC-48 (2.5GB/S) to OC-192 (10GB/S).
This rack mount system is powered from -48VDC (Telephone Station Battery Power). We designed each plug-in module
installable in either of two chassis types (fifteen slot and four slot).
These chassis designs incorporate cooling fans which
required thermal modeling considerations for effective removal of heat (The fully loaded
fifteen slot chassis produces over 750 watts of heat). Click on the picture to the right to see a larger front view image
of the fifteen slot chassis.
The image to the left is of the four slot chassis. This chassis is unique in that it can be
sold in two forms, a rack mount and a portable version. The portable version, as shown here,
has a carrying handle and rubber feet on both the side and the bottom. We've designed a 110VAC to 48VDC
power supply module which is permanently installed on the rear for the portable application.
For rack mount, the handle, feet and power supply module are replaced with rack adapter brackets and
the system accepts -48VDC station battery power.
This chassis is shown with a CPU module, an OC-48 Receiver module and two OC-48 transmitter