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The UK underground network consists of a large amount of
plant and cable. It is good to consider the plant as starting at the
exchange and finishing either at customers premises or where
overhead cabling starts.
The menu below tries to list the items in the order they
are fitted or used and starts from the exchange and finishes at the
Distribution point.
Underground
Network Overview 1
Underground
Network Overview 2
EXCHANGE MAIN DISTRIBUTION FRAME - External
cable termination point
EXCHANGE CABLE CHAMBER
CABLE PRESSURE & PRESSURE RACK
DUCTS
TRENCHING
RODDING
CABLE TYPES
CABLE CREEPAGE
MAIN CABLE - E Side cable - Exchange to
Cabinet
LOADING COILS
REPEATERS - Amplifier boxes
installed in manholes
JOINT BOXES AND MANHOLES -
Overview
JOINT BOX AND MANHOLE COVERS - List of
all covers and additional
information
JOINT BOX - General description
FRAMES & COVERS - Covers and Frames - GPO
FRAMES & COVERS - Covers and Frames
- NTC
KEYS, JOINT BOX
LIFTERS, MANHOLE COVER
MOLEPLOUGHS
DISTRIBUTION CABLE - D Side cable
- Cabinet to DP's
JOINTING CABLES
JOINTING CABLES - Lead cables
IDENTIFYING PAIRS ON NEW HOUSING ESTATES
LOCATING CABLES and FAULTS
POSTS, MARKING
BOX, JOINT - Pre-fabricated joint boxes and
covers
CABINETS - Green street cabinets
PILLARS
POSTS, JOINTING - Small
posts used on housing estates
POLE TEST BOXES - Used where
underground connects to open routes
DISTRIBUTION POINTS - Terminal blocks
OVERVIEW OF THE COMPLETE LOCAL TELEPHONE NETWORK
Quick Find Joint Box and Manhole
Covers identifier - The full range
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