37717C: One-box, field portable tester for installation, maintenance, and commissioning of today’s hybrid PDH / SDH and ATM transport networks and network equipment at SDH rate from STM-4 (622Mb/s) through STM-1 (155Mb/s) to STM-0 (52Mb/s); Dual-standard SONET / SDH capabilities, Color display, Graphics printer, Built-in 3.5 inch floppy disk drive, Call for configuration options for the 37717C.
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