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HOME Test and Measurement Telecom, Datacom Protocol Analyzers Keysight formerly Agilent T&M 4951B

Keysight formerly Agilent T&M 4951B

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Description of Keysight formerly Agilent T&M 4951B

Categories: Telecom, Datacom, Protocol Analyzers

Manufacturer: Keysight Technologies (Agilent HP)

Model: 4951B

Condition: Used

Seller: NSCA Technologies LLC

Keysight (formerly Agilent T&M) 4951B Protocol Analyzer

Description

Description

The HP 4951B Protocol Analyzer is a portable Data Communications Protocol Analyzer that is small in size, weight, and price yet combined with it’s ease of use, power, and versatility it’s excellent for use in installation and maintenance of data terminal and data communication equipment. With it you can monitor and decode data transmissions, simulate network components, perform error tests and remotely transfer data and programs through a separate RS-232/V.24 port. External viewing is supported via a standard RS-170 video port. Integral mass storage allows you to capture large amounts of data for future use.

Product specifications of Keysight formerly Agilent T&M 4951B (From Used-Line T&M Specifications)

  • Launch Date Jan-2049
  • Status Discontinued by Manufacturer

The HP 4951B portable datacommunications protocol analyzer is used for monitoring and decoding data transmissions, simulating network components, performing bit error tests and remotely transferring data and programs through a separate RS-232C/V.24 port. External viewing is supported via a standard RS-170 video port.

The 4951B is compatible with the HP 4953A and 4955A.

  • Protocols: X.25, SNA, X.21, DDCMP, HDLC, SDLC (NRZI), BSC, IPARS, and character asynchronous or synchronous protocols
  • Data transfer rates (bps): 50 to 19200, teletext 1200/75, EXTERNAL up to 19200 full duplex for all monitoring, simulation, triggering, and BERT tests. Exceptions: Asynchronous at 1200 bps, synchronous NRZI at 12000, 14400, and 16000 bps; BERT at Teletext 1200/75, 16000, 14400, and 150 bps. Can capture a complete buffer full of data at line speeds up to 64 kbs (bit-oriented protocols only, no triggering)
  • Data codes: ASCII, EBCDIC, Baudot, Six Bit Transcode, IPARS, and EBCD
  • Capture memory: 32 KB Ram stores data characters, timing, and lead status information
  • Optional tape drive: 512 KB - store data, timing information, menu configurations
  • Lead status: The status of five control leads are stored for each interface—RTS, CTS, DTR, DSR, and CD for RS-232C/V.24 and CS, RS, RR, TR, and DM for the RS-449 interface
  • Character framing: 5, 6, 7, or 8 information bits, plus parity. For asynchronous systems, select 1, 1.5, or 2 stop bits per character
  • Error checking: CRC-CCITT, CRC-16, CRC-12, CRC-6, LRC, and parity
  • Triggers: 63, consisting of characters, errors, interface lead transitions or timer values. Can be simultaneously active up to 19200 bits per second
  • Timers: Five, each with a maximum count of 65565 ms, resolution 1 ms
  • Keyboard: Full ASCII keyboard with six softkeys and cursor control
  • Display: 12.7 cm (5 inches) diagonal with 16 lines and 32 characters per line
  • Display formats: DTE data over DCE data, Data and Lead State, DTE data only, DCE data only, and Frame and Packet decode
  • Send strings: 255 characters per string maximum; 1750 characters total
  • Remote capability: Separate rear panel RS-232C/V.24 port or use the interface pod
  • Bit Error Rate Testing: Simultaneously measure bit errors, block errors, errored seconds, and percent error free seconds
    • Block size: 63, 511, 1000, or 2047 bits
    • Patterns: 63, 511, 2047 bit pseudo random sequence
    • Character framing: Select 5, 6, 7, or 8 bits per character and parity
    • Inject error function: Inject single errors or bursts of errors
  • Accessory options
    • 001: Integral tape drive
    • 003: Katakana JIS-7, and EBCDIK data code
    • 100: HP 18173A RS-232C/V.24 inteface pod
    • 101: HP 18174A RS-449/422A/423A interface pod
    • 102: HP 18180A Combination RS-232C/V.24 and RS-449/422A/423A interface pod
    • 103: HP 18179A RS-232C/V.24 interface with breakout box
    • 104: HP 18178A X.21 interface kit
    • 106: HP 18197A combination X.21/RS-232C/V.24 pod

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