The 4952A Protocol Analyzer is a portable analyzer used for troubleshooting during installation, maintenance, and design of data communication networks and equipment. It allows you to monitor and decode data transmission, test remote facilities from your location, simulate network components, and perform bit error rate tests. They can also be used as asynchronous terminals or to install and maintain 3270 equipment, and to perform link level performance analysis.

Protocols that can be tested include Async, BSC, SDLC (NRZI), HDLC, X.25, SNA, DDCMP, and user-defined protocols. It also tests X.21 and ISDN.
Software, and Manual NOT included.
4952A with 18180 Interface (RS-232C /V.24/RS449) - $525.00 US
4952A with 18179A Interface (RS-232C /V.24) - $525.00 US
4952A Only, no Interface - $400.00 US