, the term outside plant
has the following meanings:
1. In telephony, all cables, conduits, ducts, poles, towers, repeaters, repeater huts, and other equipment located between a demarcation point in a switching facility and a demarcation point in another switching facility or customer premises.
Note: The demarcation point may be at a distribution frame[?], cable head, or microwave transmitter.
2. In DOD communications, the portion of intrabase communications equipment between the main distribution frame (MDF) and a user end instrument or the terminal connection for a user instrument.
Source: from Federal Standard 1037C and from MIL-STD-188
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