FBT 37483_VAIE2550_manual1.pdf - Manuale (Pagina 82)

6-5
OPERATING CONDITIONS AND TERMINOLOGY
UK
R1. POWER switch ON/OFF switch of the VAIE 2250 system. In the O (OFF) position, the system is switched off and in the I (ON)
position the system is switched on. The switch affects only the main 230 VAC power supply (see the “Power Supply and Earthing”
and “Safety Notes” sections for details about safety).
R2. Terminals for external 24 VDC power supply Terminals for connecting the auxiliary 24 VDC power supply. This is not used when
the 230 VAC mains power supply is available. The cables used must have a suitable cross-section based on the data supplied
by the manufacturer of the power supply unit. Consumption of the system with a full load is 600 W. The input is protected against
inversion of the poles. Consult the “Power supply and earthing” and “Safety Notes” sections for details about safety.
R3. MONITOR BF OUT Output for the audio signal of the monitoring /beep loudspeaker. It can be used to remotise the tone of the
acoustic signal indicating a Fault Condition. Two screw-down terminals for leads to be stripped with a balanced signal.
R4. EXT. AMP OUT Output for the audio signal of an external amplifier. It enables the system to be expanded by increasing the
available power up to a total of 490 W. Use a power booster with an output of up to a maximum of 250 W/rms. XLR-M plug with a
balanced signal at line level for connecting a balanced shielded microphone cable. If the 24 VDC emergency auxiliary power supply
is connected to the amplifier and to the VAIE 2250, it is recommended that the shield of the cable be connected only on the side of
the socket on the amplifier, leaving it disconnected from the connector on the side of the VAIE 2250 socket.
R5. EMERGENCY UNITS Input for connecting remote emergency microphone stations. Use only the FMD 2001 and/or FMD 2012
microphone stations. RJ45 socket for connection with Cat. 5e SF/UTP cable with a shielding braid and shielded STP connector
(for details of the connection, consult the manual of the microphone stations).
R6. REMOTE LINK Output for connection to the remote VAIE 2250 unit. This can be done in order to expand the system, configuring
it as a 12-zone system, by connecting two VAIE 2250 units to one another. The maximum length of the connection is 1 km. RJ45
socket for connection with Cat. 5e SF/UTP cable with shielding braid and shielded STP connector.
R7. PAGING UNITS Input for connecting paging microphone stations (MBT 1106, MBT 1112) for broadcasting functions. It is possible
to connect up to a total of 16 Paging Units. RJ45 sockets (2 off) for connection with Cat. 5e SF/UTP cable with shielding braiding
and shielded STP connector. The connection with the Paging Units must be of the daisy-chain type. The two connecting lines can
reach a total length between them of up to 1 km.
R8. IN. 3 – LINE Balanced INPUT 3 for an external line, dedicated specifically to the voice channel, enabling easy interfacing with automatic
message generators or with PABX’s having suitable paging audio outputs. To programme this operating mode, the input must be enabled
directly as a Voice source, or for automatic VOX activation, with an adjustable activation threshold and release time. The signal will
be played out to the group of zones indicated in the list and on the basis of the priorities set, for which there are 7 levels. The socket
with 3 terminals, HOT – COM – GND for wires to be stripped, enables a balanced signal of up to 3.6 to be connected, using shielded
balanced microphone cable. For details concerning the settings of the IN. 3 input, refer to the instructions in the AUDIO SETTING >
INPUT 3 menu.
R9. LAN Socket for connecting an Ethernet 10/100 Local Area Network using the TCP/IP protocol. Provisions for a Web Server for
access to the advanced functions of the system in the Remote Servicing mode. RJ45 socket for connection using CAT. 5e UTP
cable.
R10. IN. 2 – MIC. / LINE and PRECEDENCE TERMINAL INPUT 2 is a balanced input for a microphone or an external source, programmable
as a Music or Voice source. Use the MIC input to connect dynamic or electret microphones, enabling the phantom power supply or,
as an alternative, the input on the terminal strip for sources at line level such as mixers or pre-amplified microphone stations. The
input can be set in many different ways, depending on how the operating mode is programmed:
- enabled directly as a Music or Voice source,
- mixed with input 1 (IN. 1).
- as a Voice source enabled by the precedence contact (PREC.), with a CHIME that can be activated/de-activated.
- as a voice source for automatic VOX activation with adjustment of the activation threshold and of the release time and the possibility
of an activatable/de-activatable CHIME. When used as a voice source, the priority can be set with 7 different levels, and the
group of paging zones can be selected.
Do not use simultaneously the MIC. and LINE inputs of the IN. 2 input but:
- the XLR F socket for connecting a balanced signal of up to 100 mV, or
- the socket with 3 terminals, HOT-COM-GND, for stripped wire, for connection of a balanced signal of up to 1.8 V.
6.2.3 Rear panel