PCM tester
Product Details:
| Power | Electronic |
|---|---|
| E1 BER | speech channel |
| Usage | PCM tester |
| A-A A-D D-A D-D Test | DSP |
| Place of Origin | Beijing, China (Mainland) |
| Brand Name | DADI |
| Model Number | DDA260 |
Payment & Shipping Terms:
| Minimum Order Quantity: | 1 Piece/Pieces |
|---|---|
| Supply Ability: | 850 Piece/Pieces per Month |
Detailed Product Description
PCM tester performance Characteristics
Full path A-A (Analog - Analog) test
· Test Port: Second line or forth line audio interface
· Second line port has feeding and loop circuit maintenance functions.
· Output, Input Resistance: 600Ω; Multiple resistances
· Test Items: Point power level, frequency characteristic, power level characteristic, idle noise, inter channel crosstalk, quantizing distortion
· Near-end loop test and elsewhere relative test can be done automatically and up to 1500 lines of
test record can be stored automatically in computer, only 1 minute is needed to finish a line of speech channel test.
· Auto comparison with ITU-T suggested and analyzed result during test, real-time report when
under guideline, marked identification on record and graphic model display of test result
· Operation modes of manual test, monomial or multinomial auto test, auto tests of all items are provided
· Sending sinusoidal signal frequency range is 2003600Hz, step length is 1Hz, frequency
inaccuracy is less than 0.2Hz, frequency characteristic inaccuracy is less than 0.1dB
· Signal Rated Output Range is -72.5+11dBm, Operation Inaccuracy is less than 0.1dB
Semi-path A-D D-A D-D Test
· 2M digital output port can output codes of -59+3dBm 2003600Hz digital sinusoidal
sequence, speech channel Signaling ABCD code can be set randomly, Output Code Pattern: Code HDB3,Output Resistance: 75Ω, unbalanced
· 2M digital input port can test A-D, D-A, D-D speech channel characteristics with inaccuracy less
than 0.15dB. Input Code Pattern: Code HDB3, Input Resistance: high resistance2KΩ,
unbalanced
· Semi-path test has full functions of all access test except for the auto relative test
· Test can be implemented at any speech channel slot time with speech channel signaling ABCD code monitored in real time
· Sound and light alarm when no signal, AIS, frame desynchronizing, CRC4 desynchronizing occur
PCM tester
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Company Info
Liuzhou Dadi Telecommunication Equipment Co., Ltd.
[China (Mainland)]
[Verified Member]
City: Liuzhou
Province/State: Guangxi
Country/Region : China (Mainland)
Business Type:Manufacturer, Trading Company
Online Postings: Products








