NVT NV-ER1804 Specsheet
Model NV-ER1804 TBus™ Four Port Receiver
Features:
• Transmit 10/100 BaseT Full Duplex Ethernet up to 8,000ft over RG-59/U, 2,000ft over
2-Wire/UTP, or 1,300ft over Shielded Twisted Pair*
• The TBus architecture allows multipoint operation in any star or daisy-chained
topology, with any combination of wire types and up to 16 remote transmitters/IP
cameras
• Transparently supports all networking protocols (UDP, TCP/IP, HTTP, Multicast, etc.)
using advanced 128-bit AES encryption
• 10/100/1000 uplink Ethernet connectivity
• Easy configuration, no PC required
• 56 VDC is distributed over the Tbus to all connected equipment. PoE, PoE+, or High
Power PoE cameras (or other PoE devices), up to 50 Watts* are supported
• Built-in transient protection; Industrial temperature range
The NVT Model NV-ER1804 TBus Ethernet over Coax/UTP Receiver is a compact busarchitected receiver hub that has four TBus ports, each capable of supporting multiple
TBus transmitters and their subsequent 10/100 BaseT Ethernet and PoE+ powered
devices.
The TBus transmission medium can be coax, 2-Wire/UTP, or Shielded twisted-Pair. Data
rates up to 200 Mbps are achievable, making these devices the ideal choice in new or legacy installations where existing cable is re-deployed as part of an upgrade to IP cameras. 56
VDC is provided by a local power supply. These transmitters are extremely simple to use,
with no IP or MAC addressing required. Status LEDs indicate power and link
connectivity/quality/activity for RJ45 and Tbus ports.
The NV-ER1804 is backed by NVT’s award winning customer support, limited lifetime
warranty, and advance replacement.
*Distance and number of devices supported may lower due to limited power supply capacity and wire voltage-drop, or data-rate
limiting due to the selected wire’s high-frequency signal attenuation. See manual or IP Distance Calculator at nvt.com.
Network Video Technologies
4005 Bohannon Drive • Menlo Park, CA 94025 • USA
(+1) 650.462.8100 • FAX (+1) 650.326.1940
nvt.com • www.nvt.com/email
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Model NV-ER1804 TBus™ Four Port Receiver
RoHS
Technical Specifications
T B U S B U I L D I N G W I R I N G I N TE R F A C E
Number of Ports: Four TBus Interfaces
Supports multiple * remote TBus Transmitters
including the NV-ET1801 and the NV-ET1804
Data Rate: Up to 200Mbps combined network speed
Impedance: 25 to 100 Ω
Distance: See pages 4 and 5
Transmission technology: OFDM, 128-bit AES encryption
R J 4 5 U P L I N K I N T E R E R F A C E
Connectivity: 10/100 BaseT, Auto-crossover
P O W E R C O N S U M P T I O N
Consumption: 3.0 W @ 10 to 56 VDC
Total system consumption: + total consumption of PDs (IP cameras)
= total consumption of transceivers
+ total power dissip ated in the wire
* I M P O RT A N T N O T E :
Data rate, distance and number of devices supported may lower
ue to power supply capacity, wire voltage-drop or signal attenuation.
See Wire Distance Charts on pages 4 and 5. For fault/safety, never
use more than two power supplies within one TBus network.
P O W E R S U P P LY
Power is usually supplied from the TBus Receiver. For optional
supplemental local power, an additional Class 2 power supply may be
purchased. These supplies are external inline, with an IEC380-C14
power inlet and 6ft (1.8m) line-cord. Input voltage is 100 ~240VAC
50-60Hz. A molded P1J 5.5mm barrel connector provides Class 2
(SELV) regul ated output with one of these three ratings:
One TBus system may not have more than two
power supplies (including those within a
Receiver Hub). Use only the power cord
provided with the unit or equivalent UL
approved type SPT-2, SVT, or SJT, 18/3 AWG
100~240 VAC , 1A 60°C Max . 15ft (4.5m) long.
One end with IEC380-C13 appliance
coupler and the other end with NEMA
1015P or equivalent for your country.
60W power supply body dimensions: 4.90 in (125mm) long:
90W power supply body dimensions: 5.70 in (145mm) long
Power supply operating temperature: -22°F to 122°F (-30°C to +50°C)
20 to 85% RH non-condensing
+ 56VDC 60W
or
+ 56VDC 90W
1.25 in (32mm) high
2.00 in (50mm) wide
1.25 in (32mm) High
2.36 in (60mm) wide
1 lb (450g)
L E D S T AT U S I N D I CA T O R S
Power: Blue “Power On”
Flashes when joining
BNC/ 2-Wire Interface: Green “Link”
Green/Amber “Quality”
RJ45 Interface: Green “Link”
Blinks with Data
M E C H A N I C A L / E N V I R O N M E N T A L
Receiver body dimensions: 8.43 in (214.12mm) long
(excluding connectors) 1.38 in (35.05mm) high
4.4 in (111.76mm) wide
Receiver weight: 1.64lbs. (0.74kg)
Operating and storage temperature: -40°F to 185°F (-40°C to +85°C)
20 to 85% RH non-condensing
Transient Immunity: 5x20µS 3000A, 6000V
ESD 20KV, 200pF
Network Video Technologies
4005 Bohannon Drive • Menlo Park, CA 94025 • USA
(+1) 650.462.8100 • FAX (+1) 650.326.1940
nvt.com • www.nvt.com/email
Power supply storage temperature: -40°F to 185°F (-40°C to +85°C)
0 to 95% RH non-condensing
Transient Immunity: 5x20µS 3000A, 6000V
ESD 20KV, 200pF
Power cord weight: 5.5oz (156g)
R E G U L AT OR Y
UL Listed to IEC/UL 60950-1 Complies with FCC part 15B limits
Specifications subject to change without notice.
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