Specifications
Technology Upgrade Paging Bell System-One Way 28 1800-6
1224_01
2. Locate the components as required for connections to power and the ground bar.
Insure that the components are securely mounted to the wall.
3. The Contractor shall install all cables required for connection of the components to
the speakers and the administration PC.
4. All connectivity cables shall be labeled with laser printed, wrap around labels
detailing what they connect to.
C. All cabling for connection of the speaker shall be routed above the drop ceiling or in other
raceways as required. No speaker cabling shall be visible other than in the communications
room.
1. Paging speaker cabling shall be terminated on terminal blocks on the
communications wallfield.
2. All speaker cabling shall be labeled at each end and at each interconnection point for
those cables that serve multiple speakers. The labels shall display the extension
number of the group of speakers that are connected. Along with the extension
number, the label shall reflect the room if it is a specialized use room, such as ART,
GYM, CAF, etc.
3. Speaker cables shall be routed through the ceiling and supported the same as voice
and data UTP cabling is supported. Cables shall route through cable tray or J-hooks.
4. All speaker cables shall be supported a minimum of every 5 feet. No cables shall be
supported directly by the building structure, conduit, or mechanical piping.
5. Cables shall be terminated in sequence on the terminal blocks according to
extension/room number.
6. Speaker cables shall not be in the same J-hooks as data or telephone cables.
Provide additional J-hooks as required.
D. Speakers mounted in the drop ceiling shall be fit into the ceiling supports. Where additional
support is required, the Contractor shall work with the Ceiling Contractor to see that the
support is installed.
1. Speakers shall be located to provide maximum coverage possible in each room or
each area. Changes from the drawings in the location of speakers are acceptable, but
must first be approved by the Engineer.
2. Contractor shall work with the ceiling installer and others prior to and during
installation of the speakers. The Contractor shall identify the ceiling tiles that will not
need to be installed because a speaker will be installed in those spaces.
3. The cable connecting to the speaker shall be supported directly over the speaker
from a J-hook. The Contractor shall provide extra cable so that the speaker can be
lifted from the tile and moved without causing a disconnection of the cable. Provide a
minimum of 5 feet of spare cable above the speaker.
E. Horn style speaker shall be mounted to a double gang backbox or building structure for
support.
1. Horn style speakers mounted outside shall be sealed between the base of the horn
and the backbox. The seal shall be by an epoxy or other water resistant substance.
2. Speakers shall be mounted to provide maximum coverage of the area intended to be
served.
3. Tap speakers at a level to cover the entire outdoor area with audio.
F. Speakers in rooms with no drop ceiling shall be mounted directly to building structure.
1. The speakers shall be mounted in a backbox that entirely covers the back of the
speaker.
2. The backbox shall be mounted securely to building structure. It shall be mounted so
that the sound is not impeded by obstructions between the speaker and the listener.
3. The speaker cable shall route through the backbox and to the speaker. A coil of at
least 5 feet of cable shall be left at each speaker so that they can be removed from
the backbox without disconnecting the speaker.
4. The grill of the speaker and the backbox shall be painted to match the existing ceiling
color.
5. Install a conduit or raceway to route the speaker cable from the speaker to the
accessible drop ceiling in the hallway.