SJ 20040-1992 English PDF

US$739.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email.
SJ 20040-1992: Generic specification for 4800bit/s wire voice-band modems

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SJ 20040-1992	739	Add to Cart	4 days	Generic specification for 4800bit/s wire voice-band modems

Similar standards

JT/T 1076   GB/T 9771.1   GB/T 20186.1   

Basic data

Standard ID: SJ 20040-1992 (SJ20040-1992)
Description (Translated English): Generic specification for 4800bit/s wire voice-band modems
Sector / Industry: Electronics Industry Standard
Classification of Chinese Standard: M32
Word Count Estimation: 21,269
Date of Issue: 2/1/1992
Date of Implementation: 5/1/1992
Summary: This standard specifies the technical requirements, test methods, inspection rules data signaling rate is 4800bit/s, then with various cable modem, signs, transportation, storage and other requirements. This standard applies to standardize with manual equalizer on a dedicated telephone-type circuits used 4800bit/s modem and automatic equalizer on a dedicated telephone-type circuits for use with standardized 4800/2400bit/s modem. As well as for use in the general switched telephone network with adaptive equalization standardized 4800/2400bit/s modem design, production, stereotypes, delivery inspection and routine testing.

Image     

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of SJ 20040-1992_English be delivered?

Answer: Upon your order, we will start to translate SJ 20040-1992_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of SJ 20040-1992_English with my colleagues?

Answer: Yes. The purchased PDF of SJ 20040-1992_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.