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39
WVRC-8 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
Telco Send:
Balanced 10K ohm input. Adjustable input. MIL, -10dBu.
Telco Caller:
Balanced low Z adjustable output. +4dBm nominal.
Relays:
Eight SPDT (PCB Rev G and above) / Nine - SPST normally
open dry contacts, 24 VDC @ 1 Amp. May be configured for 1-
second momentary or latching operation (Dial-up only).
CAUTION!
For safety, never connect 120 Vac circuits to these relays!
Analog (metering) inputs:
Eight - Single ended (ground referenced)
0 to 10 VDC input range. 10-bit resolution.
Status inputs:
Eight - 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 input:
Optically-isolated, 6 to 12vDC @ 50ma. Center positive.
2.1mm x 5.5mm coaxial connector.
Protocols:
TCP/IP, UDP/IP, ARP, ICMP, SNMP, TFTP, Telnet, DHCP,
BOOTP, HTTP, and AutoIP.
Connectors:
Analog (metering), Status, Relays and
Audio I/O - Plug-in euroblock screw terminals.
2 x 2.1mm x 5.5mm coaxial
Telco:
Standard POTS line. RJ11
EMI Compliance:
Class B limits of EN 55022:1998
FCC Compliance:
This device complies with part 15 of the FCC Rules. Operation
is subject 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:
19” x 5.75” x 1.75” (W,D,H)
Weight:
3.0 lb.
Options:
CE certified 240VAC power supply.
Smart USB to RS-232 Serial adapter cable.
LR-5, 5PDT latching relay.
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