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HP J2527A Transmission Impairment Measurement Set![]()
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The HP J2527A TIMS interface includes the following features:
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
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:
Microsoft is a U.S. registered trademark of Microsoft Corp.
HP J2527A Transmission Impairment Measurement Set
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Page Updated: Monday October 05 19:02:08 UTC 1998