YD/T 940-1999 PDF English
Price & Delivery
US$489.00 · In stock · Download in 9 secondsYD/T 940-1999: Semiconductor arrester for The over_voltage protection of telecommunications installations
Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure
| Std ID | Version | USD | Buy | Deliver [PDF] in | Title (Description) |
| YD/T 940-1999 | English | 489 | Add to Cart | 3 days [Need to translate] | Semiconductor arrester for The over_voltage protection of telecommunications installations |
Click to Preview a similar PDF
Basic data
| Standard ID | YD/T 940-1999 (YD/T940-1999) |
| Description (Translated English) | Semiconductor arrester for The over_voltage protection of telecommunications installations |
| Sector / Industry | Telecommunication Industry Standard (Recommended) |
| Classification of Chinese Standard | M40 |
| Word Count Estimation | 14,118 |
| Date of Issue | 4/24/1999 |
| Date of Implementation | 3/11/2000 |
| Older Standard (superseded by this standard) | YD/T 940-1997 |
| Adopted Standard | ITU-T K.28-1993, NEQ |
| Summary | This standard specifies the communication device over-voltage protection is defined semiconductor, product type, technical requirements, test methods and inspection rules and signs, packaging, transportation, storage and other rules. This standard applies to communications switching system in the first stage overvoltage protection semiconductor use, the user can also refer to the use of the terminal. This standard does not involve semiconductor dimensions. |
