In 8100, loop hardware that provides the proper grounding and termination for the attachment of two indoor cables to two outdoor cables, thus enabling the loop to be run outdoors.; IBM 8100信息系統(tǒng)中的環(huán)路硬件,它為兩條室內(nèi)電纜連接到兩條室外 電纜提供適當(dāng)接地線和端子,從而使得該環(huán)路可以通向室外。