GLOSSARY
GL-9
primary protector
The protector installed on one or both ends of exposed cabling to
protect against high-voltage surges caused by lightning, power
crosses, and ground-potential rise. Also know as standard
protector.
purple field
remote group
The section of the main distribution frame (MDF) where the cables
from line or trunk ports from the communications system terminate.
A group of extensions at a remote site that are served by a special
port circuit pack installed in a remote group housing (RGH). The
special port circuit pack is conneted to another special port circuit
pack in one of the modules of the central switch by a digital service
1 (DS1) link.
remote group interface (RGI)
The circuit packs used to send and receive the signals transmitted by
the fiber-optic link to the remote module.
remote module
residual voltages
riser
riser subsystem
satellite closet
self-supporting frame
single carrier module
A module that is located outside the equipment room that the central
switch is located in and is connected to the central switch by an
fiber-optic link.
Low voltages that remain in distribution cables after higher voltages
have triggered primary protectors
:
See
distribution cable.
See
distribution cable.
A small walk-in room used to house an intermediate distribution
frame (IDF) and any adjunct power supplies that are needed.
A frame that is bolted to the floor.
A remote module comprised of single carrier module control and
single carrier port cabinets.
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