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36
WVRC-4 Installation and Operation Manual
SPECIFICATIONS
Specifications
Ethernet Interface:
RJ-45, 10Base-T or 100Base-TX, auto sensing with Link &
activity indicator - Full/half duplex.
Control Logic:
Microprocessor with non-volatile memory.
Temperature Sensor:
Sensor with 25-foot cable and 3.5mm T/R/S plug.
-40°F to +190°F (-40°C to +85°C)
Silence Sensor:
Stereo unbalanced 10K ohm inputs. MIL, -20dBu. Trip level
and telco send adjustable
Relays:
Eight SPDT dry contacts, 24 VDC @ 1 Amp. May be config-
ured for 1-second momentary or latching operation.
CAUTION! For safety, never connect 120 Vac circuits to these relays!
Analog (metering) inputs:
Four - Single ended 0 to 10 VDC input range. 10-bit resolu-
tion. RFI protection.
Status inputs:
Four - Optically Isolated, RFI protection. Internal jumper for
(Wet, floating) external 5 to 24 VDC or internal 5 VDC
source (Dry). Open collector, contact closures to ground or
external source.
Power Failure opto-isolated input:
6 to 12vDC @ 50ma. 2.1mm x 5.5mm coaxial connector.
Connectors:
Analog (metering), Status, Relays and Audio I/O - Plug-in
euroblock screw terminals.
Telco:
Standard POTS line.
Protocols:
TCP/IP, UDP/IP, ARP, ICMP, SNMP, TFTP, Telnet, DHCP,
BOOTP, HTTP, and AutoIP.
EMI / FCC Compliance:
See the Declaration of Conformity page. Operation is sub-
ject to the following two conditions: 1) This device may not
cause harmful interference, and 2) this device must accept
any interference received, including that which may cause
undesired operation.
Power:
12 VAC only @ 1 amp. 2.1mm x 5.5mm coaxial connector.
Surge protected. Transformer supplied.
Operating Temperature:
-40°F to +185°F (-40°C to +85°C)
Size:
1/2 rack space, 8.50” x 6.50” x 1.55” (WDH), painted chassis
with 4 – 6-32 mounting holes.
Weight:
2.0 lb.
Options:
RA-1, 1-RU rack shelf.
CE certified 240VAC power supply.
Smart USB to RS-232 Serial adapter cable.
LR-5, 5-pole Latching relay.
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product updates and
additional information.