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Chinese National Standards
中華民國國家標準
- Taiwan 台灣 -
 

"ISDN primary" CNS Standards List

X-Information & Communication
CNS 13931    2018 Edition
ISDN primary rate user-network interface - Layer 1 specification
整體服務數位網路原級速率用戶網路間介面–第一層規範
X-Information & Communication
CNS 13933    2018 Edition
Application of maintenance principles to ISDN primary rate accesses
整體服務數位網路原級速率接取維護原則應用

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