1-18 DESCRIPTION
FIREFINDER-XLS INSTALLATION, OPERATION AND MAINTENANCE MANUAL | CHAPTER 1
ZAC-40 Zone Amplifier The ZAC-40 is a CAN data bus card that contains two speaker zones
Card and one 40 Watt audio amplifier capable of operating at 25, 70 or 100
VRMS. The two speaker zones can be wired to operate as either a single
Class A zone, a single Class B zone, or as two Class B zones indepen-
dently protected to provide split zone or interleaved speaker zones.
The ZAC-40 can also be used as a backup amplifier to serve as a backup
for other ZAC-40 amplifiers in a one to one backup or one to many
backup.
The ZAC-40 contains a local external audio input circuit (0 dB) and a dry
contact input to switch on the amplifier and activate the two zones as
configured in the Zeus programming tool. The ZAC-40 is capable of
amplifying any one of the 8 audio channels that transmit from the
DAC-NET (Digital Audio Card-NET) via the internal digital audio ASI bus
(Audio Serial Interface).
ZAM180 Zone Amplifier The ZAM-180 is a CAN data bus module that contains
Module two speaker zones and one 180 Watt audio amplifier
capable of operating at 25, 70 or 100 VRMS.
The two speaker zones can be wired to operate as
either a single Class A zone, a single Class B zone, or
as two Class B zones independently protected to
provide split zone or interleaved speaker zones.
The ZAM-180 can also be used as a backup amplifier
to serve as a backup for other ZAM-180 amplifiers in a
one to one backup or one to many backup.
The ZAM-180 contains a local external audio input
circuit (0 dB) and a dry contact input to switch on the amplifier and activate the
zones as configured via the Zeus programming tool. The ZAM-180 is capable of
amplifying any one of the eight audio channels that transmit from the DAC (Digital
Audio Card) via the internal digital audio ASI bus (Audio Serial Interface).
The ZAM-180 mounts on a CAB-MP Mounting Plate and occupies one space.
VIRTUAL NETWORK TUNNEL (VNT)
VNT The VNT (Virtual Network Tunnel) is a network interface computer that connects an
XLS system (a “Building”) to the GCNET network. When used to connect a Building
to GCNET, the VNT routes XNET, HNET, CAN, and VoIP audio over GCNET. In addition
to connecting Buildings to GCNET, the VNT operates Fire Command Centers (FCC),
which feature Galactic Voice and paging stations using SCMs, LVMs, SIMs, and
OCMs. The VNT contains two NCC-2F cards for connection of HNET and XNET, and it
supports an additional USB-based XND for connection of an additional HNET. Audio is
connected to the VNT via a custom audio cable. The VNT is mounted on the
backplane using the VNT-MP mounting bracket.
CAN
ZONE ACTIVE
ZONE TROUBLE
ZONE GNDFAULT
OVERLOAD
NORMAL
LOW
ZONE
CARD FAIL
ASI FAIL
CAN FAIL
RESET
POWER
ZAC-40
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