HP 75000 Series 90 HP E1663A Sonet/SDH Electrical Interface

Used and old item.it seems working,power ON. But I dont know all options and all system work or not work.

The HP 5087A is a distribution amplifier designed to take stable frequency reference signals (such as from atomic clocks or

it doesnt work.Buyer has to repair it or buyer can use it as parts.As pictures not more. I dont know

The ESG-300 is a medical electrosurgical generator system used primarily in gastroenterology and respiratory procedures to cut and coagulate tissue