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User Manual for COMNET Intelligent Redundant Ring Gigabit Switch with 30W of PoE Power Click to enlarge the picture
Contents of the user manual for the COMNET Intelligent Redundant Ring Gigabit Switch
- Product category: Network Switches, Bridges & Hubs COMNET
- Brand: COMNET
- Description and content of package
- Technical information and basic settings
- Frequently asked questions – FAQ
- Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
- Authorized service for COMNET Network Switches, Bridges & Hubs
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User manual for the COMNET Intelligent Redundant Ring Gigabit Switch contain basic instructions
that need to be followed during installation and operation.
Before starting your appliance, the user manual should be read through carefully.
Follow all the safety instructions and warnings, and be guided by the given recommendations.
User manual is an integral part of any COMNET product,
and if it is sold or transferred, they should be handed over jointly with the product.
Following the instructions for use is an essential prerequisite for protecting
health and property during use, as well as recognition of liability on the part of the manufacturer
for possible defects should you make a warranty claim. Download an official COMNET user manual in which you will find instructions on how to install, use, maintain and service your product.
And do not forget – unsuitable use of a COMNET product will considerably shorten its lifespan!
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Product description The 4-port Intelligent Redundant Ring Gigabit Switch from COMNET features two 10/100/1000Base-Tx copper ports and two 100/1000Base-FX SFP ports. It provides various functions like DIP switch-based operation of RSTP for creating redundant network topologies, preventing network video flooding of multicast traffic when used in a linear or star topology, and more. Ports 1 and 2 of this switch can supply up to 60W of PoE. The switch is fully compatible with the ComNet CopperLine SFP modules for operation over extended distance UTP or Coax cable. - RSTP (Rapid Spanning Tree Protocol), Multicast Flooding Prevention (in Star/Linear topologies only), and dual redundant SFP mode can be enabled without programming
- Electrical ports support auto-negotiation for 10, 100, or 1000 Mb/s, full duplex or half duplex data
- SFP ports are compatible with CopperLine CL-SFP modules and supports 100 or 1000 Mbps full duplex data
- Automatic MDI/MDI-X crossover
- PoE status monitoring and automatic reboot function
- Event notification through SNMP traps and relay output
- Voltage transient protection on all power and signal input/output lines provide protection from power surges and other voltage transient events
- Supports LLDP (Link Layer Discovery Protocol)
- SNMP v1/v2c for network management
- Designed to meet full compliance with the environmental requirements of NEMA TS-1/TS-2 and the Caltrans Specification for Traffic Signal Control Equipment
- Redundant AC/DC inputs for uninterrupted operation in the event of a loss of operating power or a power supply failure
- Can be DIN-rail mounted using ComNet DINBKT2 or DINBKT4 adapters (not included)
In the Box COMNET Intelligent Redundant Ring Gigabit Switch with 30W of PoE+ Power (4-Port) Limited Lifetime Warranty Table of Contents
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Technical parametersCOMNET CNGE2+2SMSPOE Specs | | | Interface | Ethernet | | Data Rate | 10/100/1000 Mb/s
IEEE 802.3 compliant
Full duplex or half duplex electrical ports/full duplex optical port | | Electrical | 30 W | | | | Optical | Requires SFP modules (sold-separately) | | Serial | Mini USB | | I/O | Terminal block | | Power | Terminal block | | Data | RJ45 | | | | SNMP | SNMP V1/2c | | HTTP Browser Access (WAN) | Web GUI configuration interface | | CLI | Serial command line interface | | | | Response Time | 25 ms typical (network dependent) | | Channels | 2 | | Inputs | 2 x Dry closure | | Outputs | 2 x Form A contacts (rated 1 A @ 24 VDC, non-resistive loads) | | | | Operating Voltage | Dual 48 to 56 VDC PoE, 9 to 36 VDC, or 24 VAC non-PoE | | Current Draw | 126 W maximum with PoE
6 W maximum without PoE | | Current Protection | Automatic resettable solid-state current limiters | | | | Latency | Switching: 7 μs | | Bandwidth | 8 Gb/s | | MAC Table Size | 1K | | Processing | Store-and-forward | | Pin Assignments | RJ45 port supports IEEE 802.3at
End-point Positive (VCC+):
RJ45 pin 1, 2 (RJ45 pin 1,2 and 4,5 on 60 W ports)
Negative (VCC-):
RJ45 pin 3, 6 (RJ45 pin 3,6 and 7,8 on 60 W ports) | | LEDs | Optical link/data activity
Electrical link/data activity
Power PoE status | | Circuit Board | Meets IPC standard | | MTBF | Up to 100,000 hours | | Standards | IEEE 802.3 for 10BASE-T
IEEE 802.3u for 100BASE-TX and 100BASE-FX
IEEE 802.3z for 1000BASE-X
IEEE 802.3ab for 1000BASE-T
IEEE 802.1w for RSTP (Rapid Spanning Tree Protocol)
IEEE 802.1AB for LLDP (Link Layer Discovery Protocol)
IEEE 802.3at for Power Sourcing Equipment (PSE) and PoE (≤30 W per port)
IEEE 802.3x Flow Control and Back Pressure | | Operating Temperature | -40 to 167°F / -40 to 75°C | | Storage Temperature | -40 to 185°F / -40 to 85°C | | Relative Humidity | 0 to 95% (non-condensing) | | Mounting | Can be moutned on a wall or a flat surface | | Dimensions | 4.1 × 3.7 × 1.46" / 10.4 × 9.4 × 3.7 cm | | Weight | 1 lb / 0.45 kg |
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