GR 421 CORE ISSUE 2 标准详情
- 标准号:GR 421 CORE ISSUE 2
- 中文标题:
- 英文标题:Generic Requirements For Metallic Telecommunications Cables
- 标准类别:贝尔实验室标准GR
- 发布日期:
Presents the Telcordia view of generic requirements to applicable to unfilled (aircore) or filled, polyolefin insulated-conductor (PIC) cables of up to 4200 pair counts with various shield and jacket constructions. GR-421 covers cables deployed from
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