HP J2527A Transmission Impairment Measurement Set

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The HP J2527A TIMS interface for the HP Internet Advisor provides basic analog tests to qualify circuits for voice, data, broadcasts and ISDN. Operation of the HP J2527A is based on the industry standard family of HP TIMS products: HP 4934A, HP 4935A and HP 4936A. When the HP J2527A TIMS interface is attached to the Internet Advisor using an undercradle, the datacom specialist has full decoding of LAN and WAN protocols, bit error rate measurements and transmission impairment measurements -- all under one handle.


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The HP J2527A TIMS interface includes the following features:


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Except where otherwise stated, the following parameters are warranted
performance specifications.  Parameters described as “typical” or “normal” 
are supplemental characteristics which provide a useful indication of
typical, but non-warranted, performance characteristics.



Measurements

Measurement methods meet IEEE Std 743-1984
Transmitter Frequency Range: 50 to 99999 Hz Resolution: 1 Hz Accuracy: +/- 50 ppm
Range: 100 to 200 kHz Resolution: 10 Hz Accuracy: +/- 120 ppm
Additonal Transmitter Functions
SF Skip: Transmitter skips 2600 +/- 150 Hz. Four Pre-set Frequencies: Normally 404, 1004, 2804 and 2713 Hz. User can temporarily change these and the SF Skip center frequency.


Receiver Frequency
Range: 50 to 99999 Hz Resolution: 1 Hz Accuracy: +/- 1 Hz
Range: 10 to 200 kHz Resolution: 10 Hz Accuracy: +/- 10 Hz
Transmitter Level
Range: -40 to +13 dBm. Resolution: 0.1 dB. Accuracy at 1004 Hz, 0 to -19 dBm: Typically +/-0.1 dB.


Flatness (dB relative to 1004 Hz)
Level (dBm) +10 to +13 Frequency (Hz): 0-200 level: +1 -2.5* 200-15k+/- 0.2* 15k-60k +/- 0.5* 60k-85k +/- 0.7* 85k-200k +/- 1.5*
Level (dBm) -40 to +10 Frequency (Hz): 20-200 level: +/- 1.0 200-15k +/- 0.2 15k-60k +/- 0.5 60k-85k +/- 0.5 85k-200k +/- 1.5* *typical


Distortion (dB down from fundamentals) Level (dBm) +10 to +13 Frequency (Hz): 50-100 level: 20* 100-4k 45* 4k-200k 45*
Level (dBm) 0 to 10 Frequency (Hz): 50-100 level: 20* 200-4k 55 4k-200k 45
Level (dBm) -30 to 0 Frequency (Hz): 50-100 level: 40* 200-4k 50 4k-200k 40
Level (dBm) -40 to -30 Frequency (Hz): 50-100 level: 40 200-4k 50 4k-200k 35*
At 1004 Hz, 0 dBm: THD *Typically > 62 dB down from fundamental.
Receiver Level Range: - 50 to + 13 dBm. Resolution: 0.1 dB. Detector Type: Average.


Accuracy (dB) Level (dBm) -13 to -40 Frequency (Hz): 50-200 level: +/- 0.5 200-15k +/- 0.2 15k-60k +/- 0.5 60k-85k +/- 0.5 85k-200k +/- 2.0*
Level (dBm) -40 to -60 Frequency (Hz): 50-200 level: +/- 0.6* 200-15k +/- 0.4* 15k-60k +/- 0.8* 60k-85k +/- 1.0* 85k-200k +/- 2.0* *Typical
At 1004 Hz, - 20 to + 13 dBm: +/- 0.1 dB. Receiver accuracy is specified from 500 Hz when using the 135 or 150 ohm terminations.


Message Circuit Noise

RECEIVER (Transmitter:off and terminated). Range: 10 to 100 dBrn (135& 150 ohm: 17 to 100 dBrn). Resolution: 1 dB. DetectorType: Quasi-RMS. Accuracy: +/-1 dB from 10 to 100 dBrn Filters: C-Message, 3 kHz Flat, 15 kHz Flat, Program , 50 kbit


Noise-with-Tone

RECEIVER (Transmitter: 1004 Hz tone). Notch Filter: > 50 dB rejection from 995 to 1025 Hz. Range: (at 600, 900 and 1200 ohm): 10 to 100 dBrn. Resolution: 1 dB. Accuracy: +/- 1 dB from 20 to 100 dBrn, +/- 3 dB from 10 to 20 Brn Detector Types: Quasi-RMS


Signal-to-Noise Ratio

RECEIVER (Transmitter: 1004 Hz tone). Signal Level Range (600, 900 and 1200 ohm): - 40 to +13dBm. Ratio Range: 10 to 45 dB. Ratio Resolution: 1 dB. Accuracy: (signal -30 to + 10 dBm), S/N 10 to 40 dB: +/- 1 dB; S/N 40 to 45 dB: +/- 2 dB. Detector Types (noise): Quasi-RMS; (tone): Average.


3-Level Impulse Noise

TRANSMITTER C-Msg or 3 kHz
Flat receive filter selected: 1004 Hz tone. Any other receive filter: off and terminated.
RECEIVER
Level Range: - 40 to + 13 dB. Notch Filter: > 50 dB rejection from 995 to 1025 Hz. Threshold Ranges (at 600 ohm): Low 30 to 100 dBrn, Mid and High 4 and 8 dB higher respectively, up to 100 dBrn. Threshold Accuracy: +/- 1dB over the following ranges: with C-Msg or 3 kHz Flat. filter: 40 to 100 dBrn; with Program filter: 60 to 100 dBrn. Loss of Holding tone: “-” sign in right display, latching. Count Timer: Nominally 5, 15, 60 minutes or non-stop. Count Range: 0 to 9999. Max Count Rate: Nominally 8 per second.


RECEIVER (Transmitter: off and terminated). Range: (at 600, 900 and 1200 ohm): 50 to 120 dBrn. Resolution: 1 dB. Accuracy: +/- 1.5 dB. Filters & Detector: See message circuit noise.


P/AR


TRANSMITTER Signal: 16 frequencies in range 140 to 3890 Hz. Level Range: - 40to 0 dBm. Resolution: 1 dB.
RECEIVER P/AR Range: 0 to 120 units, otherwise +/- 4 units Resolution: 1 unit. Accuracy: (30 to 110 units): +/- 2units. Level Range: - 40 to + 0 dBm (135 & 150W: - 30 to + 0 dBm) Resolution: 1 dB


Specifications

Maximum DC Blocking: 200V nominal.
Impedances: Nominally 135, 150, 600, 900 and 1200 ohm. Transmit and receive impedances are independently selectable.
Receiver Return Loss: (600, 900 and 1200 ohm: 50 Hz to4 kHz): Typically > 30 dB.
Bridging Loss (up to 20 kHz): Typically < 0.2dB.
Longitudinal Balance: (Typical) > 80 dB at 60 Hz, > 70 dB at 540 Hz, > 60 dB up to 4 kHz, decreasing at 6 dB per octave up to 20 kHz.
Hold Circuits: 2, each drawing 24 mA nominal.


physical Characteristics
Weight: 7.8 kg (with HP J2301B)
Dimensions: 12.2H x 31.1W x 30D cm 4.9H x 12.5W x 12D in (with HP J2301B)


Operating Conditions:
Temperature Operating: 5° C to + 40° C (+41° F to 104° F) Non- Operating - 25° C to + 60° C (-13° to 140° F)
Humidity:
Operating 20% to 80% Relative Humidity to 40° C non-condensing Storage: 10% to 90% Relative Humidity to 60° C non-condensing
Regulatory Compliances: Bears the CE and mark


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HP J2527A     Transmission Impairment Measuring Set includes connector
              for mating with the J2300/01/02A, two WECO 310 test cords
              and Operating Manual.

Opt 001 Replaces North American Features and Connectors with CCITT; 820/1020 Hz Holding Tone: Deletes Test Cords
W30 2 years additional hardware service: For 2-year extended hardware support beyond the standard 1-year return-to-bench warranty, order Option W30.
1A3 Bellcore CLEI compliance for Bell Operating Companies: For Bellcore Common Language Equipment Identification (CLEI) labeling, order Option 1A3.

Trademarks:


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HP J2527A Transmission Impairment Measurement Set

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