Figure 2.6 Bacnet Gw-3 Power Connection; 2: Wiring Restrictions - Notifier BACnet GW-3 Installation And Operation Manual

Installing the BACnet GW-3 Board
NOTE: All wiring from the power supply is power limited, and a separation of at least ¼" (6.35
mm) must be maintained between power limited and non-power limited wiring.
CAUTION: Power Sources
!
Different sources of power are used in conjunction with the BACnet GW-3 product. Disconnect all
sources of power before servicing. This device and associated equipment may be damaged by
removing and/or inserting cards, modules or interconnecting cables while this unit is powered. This
damage may adversely affect the operation of this unit, but its effect may not be readily apparent.
For specific information about power configurations involving fire alarm control panels and
network communications modules, refer to Embedded Gateway Power Connections, PN 53600.
2.5.2 Wiring Restrictions
NOTE: All wiring connections are supervised and power limited.
NOTE: USB and NUP wiring connections to the HS-NCM must be located within 20 feet and
encased in conduit within the same room.
NOTE: In Canada, if the gateway is installed in a separate cabinet, the cabinet must be
connected to the Fire Alarm Control Panel (FACP) with a close nipple fitting.
RS232 (NUP)
• Line Impedance 5k ohm
• Max Distance 50 feet
Ethernet
• Line Impedance 100 ohm
• Max Distance 100 meters
BACnet Gateway-3 Installation and Operation Manual - P/N: 53372:Rev: A 5/6/09

Figure 2.6 BACnet GW-3 Power Connection

BACnet GW-3 Embedded Installation
TB1
24 V IN
21