HP 4951b Protocol Analyzer / 188177a V. 35 / Vintage HP / Vintage Electronics

HP 4951B PROTOCOL ANALYZER / 188177A V. 35 / VINTAGE HP / VINTAGE ELECTRONICS. NO IDEA IF WORKING, POWERS ON AND AFTER A FEW SECONDS MAKES A PING NOISE AND THE WRITING LOADS ON THE SCREEN. HAS A FEW SCAPES AND SCRATCHES AND THERE IS A CRACK TO THE BASE THAT HAS EPOXY ON IT. AND CONTACT ME WITH ANY QUESTIONS YOU MAY HAVE.