DESCRIPTION 1-19
CHAPTER 1 | FIREFINDER-XLS INSTALLATION, OPERATION AND MAINTENANCE MANUAL
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SIEMENS INDUSTRY,INC.
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INSTALLATIONINSTRUCTIONS
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X204-2 Multimode The X204-2 Multimode Ethernet Switch is used to connect VNTs and NCCs to the
Ethernet Switch GCNET fiber ring when Multimode fiber is utilized.
X204-2LD Single Mode The X204-2LD Single Mode Ethernet Switch is used to connect VNTs and NCCs to
Ethernet Switch the GCNET fiber ring when Single Mode fiber is utilized.
LIA The LIA (LVM Interface Adapter) is a connector for the LVM that allows direct connec-
tion of the VNT audio cable to the LVM located in the Fire Command Center (FCC).
The LIA plugs into the the LVM-PMI audio cable socket and provides screw terminals
for the VNT audio cable.
IIC The IIC (Interface Isolation Card) is utilized for two purposes. First, in NRC-based
XNET systems, it isolates the NRC-NIC bridge required for XNET connection to the
VNT. Second, in Standalone FCCs requiring more than 99 CAN modules, it separates
the two NIC-Cs utilized to operate the CAN buses.
DLC INTELLIGENT ANALOG DEVICES
The intelligent devices described below are available for use with a DLC loop control-
ler on the FireFinder-XLS System. The UL identifiers for compatibility are the same as
the model names specified below.
ABHW-4B and ABHW-4S The ABHW-4S supports the 520Hz tone generation. When used
Audible Bases with DLC firmware 6.01.xxxx and later, the ABHW-4 Audible Bases communicate
with supported intelligent detectors to generate six different tones:
• March Time 30
• March Time 120
• Steady
• Temporal 3
• Temporal 4 (for CO)
• Temporal 4 Low Power
The supported detectors are:
• FDOT421/OH921
• FDO421/OP921
• FDOOT441/OOH941
• FDOOTC441/OOHC941
• FDT421/HI921
Note that in Walk Test Mode, the Audible Bases sound at the reduced 45dB.
HCP Intelligent Control Point The HCP provides remote, independent control of a notification
appliance circuit (NAC), a telephone zone, or a speaker zone (25V or
70.7V RMS). The HCP communicates through the DLC device loop
card of the FireFInder-XLS System. Each HCP uses one device
address on the device loop.
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