NVT PHYBRIDGE
CLEER24
DATASHEET
Fast Ethernet and PoE+
over Coax with up to
6,000ft (1,830m) Reach
CLEER24 Managed Switch
The CLEER24 (Coax Leveraged Ethernet Extended Reach) managed switch
makes the modernization to IP devices (IoT) simple, secure and
cost-effective. When paired with the EC Adapters, this powerful
enterprise-grade switch delivers fast Ethernet and PoE+ over coax cable with
up to 6,000ft (1,830m) reach - that’s 18Xs the reach of standard Ethernet
switches. The CLEER24 comes standard with robust power management
capabilities and an industry leading, simple to use GUI interface.
With the CLEER24, customers are taking full advantage of Modern LAN
principles, protecting existing infrastructure assets, and eliminating any
need to rip and replace the established Coax cabling. The CLEER24 managed
switch optimizes network design with advanced interoperability and easy
integration into the overall LAN creating a secure, robust and easy to manage
path for IP endpoints.
• Accelerate your return on investment by reducing infrastructure costs.
• Simplify your IP modernization, collapsing planning and deployment time.
• Eliminate infrastructure barriers, risks, disruption and costs.
• Create a robust plug-and-play IP platform that is easy to deploy and manage.
• Be environmentally responsible during your IP upgrades.
AT A GLANCE
(NV-CLR-024)
• 24-port managed long reach EoC PoE
switch
• 100Mbps symmetrical (full duplex) and
PoE+ (30W) over Coax with 6,000ft
(1,830m) reach
• 2 x 1GB uplink ports, 2 x 1GB fiber
uplink ports and dedicated
management and console ports
• Intuitive, simple management GUI;
remote access
• 500W (110v) or 1,000W (220v) auto
sensing hotswappable power supply
• Power redundancy available
• Power management by port and MAC
locking
• EN 50121-4 Standard for Railway/
Subway environments
Speed, Reach and Power
CLEER24 delivers 10/100Mbps symmetrical (full duplex) and PoE+ (30W) over
coax cable with up to 6,000ft (1,830m) reach. It is designed to support the
most demanding IP endpoints with plenty of bandwidth to spare. No speed
degradation with longer distance or latency allowing for real time
applications.
Industry Leading PowerWISE® Technology
Power sharing for redundancy, load balancing, AC/DC options, hot swappable
power supply and auto-sensing 100-240 VAC delivering 500 to 1,000 watts of
power. CLEER24 is one of the most energy efficient switches on the market,
consuming less than 17 Watts of power to operate.
Managed Switch with Plug-and-Play Option
CLEER24 can either operate in a transparent mode functioning as a bridge,
allowing for plug-and-play deployment, or as a fully managed switch with high
value features specifically designed for security, including:
• Power management by port for easy reset of ports.
• Port MAC locking for higher security and peace of mind.
• Simple Network Manager, an intuitive Web GUI that makes managing the
switch a breeze.
by NVT Phybridge
NV-CLR-024
3 5 7
RUN
ALARM
FAULT
To Application
PoE+ over Coax up to 3,000ft (915m) paired with EC4
1
4 6 8
2
Reset
5
6
10987
43
1
2
PoE+ over Coax up to 4,000ft (1,220m) paired with EC-Link
PoE+ over Coax up to 6,000ft (1,830m) paired with EC-Link+
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192123
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24
22
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20191817
1413
24
2221
The Most Robust PoE Capabilities
on the Market
Four switches can be stacked together for power
sharing, load balancing and power redundancy.
The CLEER24 switch comes standard with
PowerWISE technology.
CLEER24 Technical Specifications
Local Power
Option
NV-EC-04
Local Power
Option
NV-ECLK
IP Endpoint
IP Endpoint
IP Endpoint
IP Endpoint
IP Endpoint
Local Power
Option
NV-ECLK-PLS
+
EC-Link
Long Reach PoE over Coax
IP Endpoint
Model CLEER24
Part Number NV-CLR-024
Dimensions
19 inches x 1U without rack ears:
• 1.75” x 17.13” x 9.92” (HxWxD)
• 4.45cm x 43.5cm x 25.2cm (HxWxD)
Weight 7.94 lbs (3.6 kg)
Mounting
Standalone, rack or shelf-mountable; 2 brackets included for
installation
Processor Broadcom BCM56018 switch processor, 266MHz
Memory 32MB FLASH, 64MB DDR SDRAM
Interface:
Ethernet Uplink
(Trunk IP)
Mean Time
Before Failure
(MTBF)
Maximum 2 uplinks, each 1Gb/s (full du
• 2 mini-GBIC ports: 1000 Base-TX/SX/LX/EX/ZX/LHX
(determined by SFP, transceiver module installed),
Ethernet IEEE 802.3z, fiber optic cable; or
• 2 RJ45 ports: 10/100/1000 Base-T auto-sensing,
independent speed selection, Ethernet IEEE 802.3,
CAT5e/6 copper cable
20+ Years
plex), either:
CLEER24 Compliance and Agency Approval
EMC
Safety
Environment RoHS Directive 2011/65
Emissions: FCC Part 15, ICES-003, EN 55032:2012, EN 50121-4:2015
Class A
Immunity: EN 55024:2010, EN 50121-4:2015
UL 60950-1 2nd Ed 2014-10-14, CAN/CSA C22.2 No. 60950-1-07 2nd Ed 2014-10
IEC 60950-1:2005+A1+A2, EN 60950-1:2006+A1+A2+A11+A12
24 x BNC Jacks
Speed: 10/100Mbps (full duplex)
Interface:
Downlink (PoE and
IP to Adapter)
Management
Power Supply
Power
Consumption
Power Injection
(PoE)
PowerWISE
Sharing
Operating
temperature
®
Power
PoE Power: 30 Watts Maximum
Maximum Distance:
• 3,500ft (1,067m) over RG59 Coax Cable
• 6,000ft (1,830m) over RG6 and RG59 Coax Cable
24 x Status LEDs:
• Configuration Options: Link Activity / Link / Off
1 LAN port (MGMT): RJ45, 10/100 Base-T
auto-sensing, IEEE 802.3
1 UART console port: RJ45 (RJ45 to DB9 cable inclu
Hot-Swappable Power Supply Unit
Auto-sensing 100-240VAC, 50/60 Hz
Power Output: 500W max at 110VAC, 1000W max at
220VAC
16.5W
DC voltage: 48VDC to 56VDC
Endpoint devices must be compliant with IEEE 802.3af/at
2 male connectors (rear)
DC IN and DC OUT: 48VDC to 56VDC
14°F to 122°F (-10°C to 50°C)
Humidity 10% to
ded)
95% (non-condensing) at 95°F (35°C)
For more information, visit: www.nvtphybridge.com
NV-CLR-024-8.7.2019
CLEER24 Extended Technical Specifications
• High performance Store and Forward architecture, runt/CRC filtering that eliminates erroneous packets to optimize
the network bandwidth
• Supports VLANs
- IEEE 802.1Q tagged VLAN
- 512 concurrent per port
• Supports Spanning Tree Protocol
Layer 2 Features
Multicast Supports IGMP snooping v2 and v3
Security
Management
- STP (Spanning Tree Protocol)
- RSTP (Rapid Spanning Tree Protocol)
• Supports Link Aggregation
- Ether-channel (static trunk)
• Jumbo Frame
- Max 4k size
• Automati
c Media-Dependent Interface Crossover (MDIX)
• IPV4/IPv6 Transport
• Authentication
- Built-in RADIUS client to co-operate with the RADIUS servers, when installed.
- RADIUS / TACACS+ login user access authentication, when installed.
• Access Control List when TACACS is used
• MAC Security
- Static MAC locking per port
• SSH / SSL, when installed
• Switch ma
nagement interface
- Web GUI switch management
- Command line interface
- SNMP v1, v2c, v3
- SSH / SSL secure access, when installed.
• User privilege levels control, with TACACS only.
• Built-in Trivial File Transfer Protocol (TFTP) client to backup configuration files
• System maintenance
- Firmware upload/download via FTP
- Configuration upload/download through Web interface
- Hardware reset button for system reboot
• NTP Network Time Protocol
• Link Layer Discovery Protocol (LLDP)
• SNMP trap for interface linkup and linkdown notification
• Event message logging to remote Syslog server
or reset to factory default
Power & Distance Chart
CLEER24 used with EC-Link+
300ft
(92m)
RG11 14AWG 30W 30 30 30 30 29 29 28 27 27 25 24
RG6 18AWG 30W 30 28 27 26 24 22 20 14 16 12 8
RG59 20AWG 30W 27 24 22 19 15 10 6 2 0
CLEER24 used with EC-Link
RG11 14AWG 30W 30 30 30 30 29 29 28 27 27
RG6 18AWG 30W 30 28 27 26 24 22 20 14 16
RG59 20AWG 30W 27 24 22 19 15 10 6 2 0
CLEER24 used with EC4
RG11 14AWG 30W 30 30 30 30 29 29 28
RG6 18AWG 30W 30 28 27 26 24
RG59 20AWG 30W 27 24 22 19
100Mbit
Power & Distances are based on the following cable specs:
Cable Spec Core Type AWG Diameter Wire Resistance (m) Wire Resistance (ft)
RG-11 Solid Copper 14 AWG 1.63 mm 1.21 Ω/100m 0.37 Ω/100ft
RG-6 Solid Copper 18 AWG 1.01 mm 3.60 Ω/100m 1.10 Ω/100ft
RG-59U Solid Copper 22 AWG 0.64 mm 7.87 Ω/100m 2.40 Ω/100ft
10Mbit
600ft
(183m)
900ft
(275m)
1,200ft
(365m)
1,500ft
(457m)
2,000ft
(610m)
2,500ft
(762m)
3,000ft
(915m)
3,500ft
(1,067m)
4,000ft
(1,220m)
5,000ft
(1,524m)
(1,830m)
6,000ft
For more information, visit: www.nvtphybridge.com
NV-CLR-024-8.7.2019
CLEER FAMILY ADAPTER OPTIONS
EC Adapter Options
There are three media converter options available to pair with the CLEER family of switches to extend PoE over Coax. The EC-Link and
EC Link+ are single endpoint solutions and the EC4 enables 4 IP endpoints from a single long run Coax cable.
EC-Link
EC4EC-Link+
EC-Link EC-Link+ EC4
• Maximum 50W
4 pairs (local power required)
• Local power option to
support greater power
delivery to IP devices
• Does not negotiate power
requirements with IP device
• Devices must be IEEE 802.3
af/at compliant
Power
• Maximum 30W, delivered on
2-pairs (spare pairs)
• Local power option
• Does not negotiate power
requirements with IP device
• Device must be IEEE 802.3
af/at compliant
• Maximum 50W (If locally
powered and 30W if power
provided from switch)
delivered on 4 pairs
• Local power option
• Adapter is IEEE 802.3af/at
compliant and will negotiate
power requirements with IP
device
Casing Plastic Metal Plastic
EN 50121-4 Standard Yes – approved to operate in a railway/subway environment
EC Adapters Technical Specifications
Model Number
Part Number
Dimensions
Weight
Interface: Network
Infrastructure side
(CLEER)
Line Speed
Interface: IEEE Side (IP
Device)
Power Supply
DC IN
Power Consumption
Operating
Temperature
Mean Time Before
(MTBF)
Failure
Humidity
EC-Link EC-Link+ EC4
NV-ECLK NV-ECLK-PLS NV-EC-04
8.8cm x 3.2cm x 2.1cm (LxWxH);
3.46” x 1.23” x 0.83” (LxWxH)
42g (1.48oz.) 108g (3.81oz.) 96g (3.38oz.)
1 BNC port: Coax cable (RG59, RG6, RG11) 1 BNC port: Coax cable (RG59, RG6, RG11) 1 BNC port: Coax cable (RG59, RG6, RG11)
10/100Mbps full duplex 10/100Mbps full duplex 100Mbps full duplex
1 RJ45 port; device must be IEEE 802.3 af/at
compliant
PoE from the CLEER / EC switch or local power
from EC-Base, maximum 30W (over 2-pairs)
Optional (sold separately)
48V – 56VDC via an external AC/DC Power
Adapter with phoenix connector (IEC Class II
only)
isolated
NOTE 1: Local power supply used must have its
output isolated from Earth potential.
NOTE 2: If voltage of local power supply is lower
than the power voltage provided from the PoE
switch, then power on the PoE switch should be
turned off.
0.9W 1.1W 1W
-58°F to +158°F (-50°C to +70°C)
Tests conducted against international safety
standard at maximum ambient temperatures of
50ºC
20+ years 20+ years 20+ years
10% to 95% (non-condensing) at 35° C 10% to 95% (non-condensing) at 35° C 10% to 95% (non-condensing) at 35° C
10.09cm x 5.03cm x 2.57cm (LxWxH);
3.97” x 1.98” x 1.01” (LxWxH)
1 RJ45 port; adapter is IEEE 802.3af/at compliant
and will negotiate power requirements with IP
end device.
Maximum 50W (If locally powered and 30W if
power provided from switch) delivered on 4
pairs.
Optional (sold separately)
48V – 56VDC via an external AC/DC Power
Adapter (IEC Class II isolated only) with barrel
connector
NOTE 1: Local power supply used must
output isolated from Earth potential.
NOTE 2: If voltage of local power supply is lower
than the power voltage provided from the PoE
switch, then power on the PoE switch should be
turned off.
-58°F to +158°F (-50°C to +70°C)
Tests conducted against international sa
standard at maximum ambient temperatures of
60ºC at 30W and 55ºC at 50W
have its
fety
11cm x 7cm x 2.5cm (LxWxH);
4.3” x 2.75” x 0.98” (LxWxH)
4 RJ45 ports: devices must be IEEE 802.3 af/at
compliant
PoE from the CLEER / EC switch, or external
power supply; maximum 50W (over 4-pairs) each
port
Optional (sold separately)
48V – 56VDC via an external AC/DC Power
Adapter (IEC Class II isolated only) with barrel
connector
NOTE 1: Local power supply used must have its
output isolated from Earth potenti
NOTE 2: If voltage of local power supply is lower
than the power voltage provided from the PoE
switch, then power on the PoE switch should be
turned off.
-58°F to +158°F (-50°C to +70°C)
Tests conducted against international safety
standard at maximum ambient temperatures of
50ºC
, delivered on
al.
EC Adapters Compliance and Agency Approval
EMC
Safety
Environment RoHS Directive 2011/65
Emissions: FCC Part 15, ICES-003, EN 55032:2012, EN 50121-4:2015
Class A (EC4) Class B (EC-Link and EC-Link+)
Immunity: EN 55024:2010, EN 50121-4:2015
UL 60950-1 2nd Ed 2014-10-14, CAN/CSA C22.2 No. 60950-1-07 2nd Ed 2014-10
IEC 60950-1:2005+A1+A2, EN 60950-1:2006+A1+A2+A11+A12
For more information, visit: www.nvtphybridge.com
NV-CLR-024-8.7.2019
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