Typical
earth
ground
Grounding
terminal
Plug-in power
line surge
protector (typical)
Dedicated 117VAC
15 AMP NEMA 5-15R
electrical outlet
with third-wire ground
Fuse
(See text)
DSU211
Making The AC Power Connections
DSU II Digital Telephone System
IMI66–132
Installing The DSU II Digital Telephone System 2 – 9
Содержание DSU II
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