Data Sheet
LIFETIME WARRANTY WWW.COMNET.NET TECH SUPPORT: 1.888.678.9427
CNGE2+2SMS[POE][HO]
10/100/1000 Mbps Intelligent Redundant Ring
Gigabit Switch with Optional PoE+
SPECIFICATIONS
Data
Data Interface Ethernet
Data Rate 10/100/1000 Mbps
IEEE 802.3 Compliant
Full Duplex or Half Duplex Electrical Ports/Full
Duplex Optical Port
Electrical CNGE2+2SMSPOE Ports 1 & 2: 30 W Max
CNGE2+2SMSPOEHO Ports 1 & 2: 60 W Max
Connectors
Optical¹ Requires selection of sold-separately SFP modules.
See ComNet data sheet for number
and description of SFP modules.
Serial Mini USB
I/O Terminal Block (PoE Models Only)
Power Terminal Block
Data RJ45
Network Redundancy
STP / RSTP
Management
SNMP SNMP V1/2c
HTTP Web GUI Configuration Interface
CLI Serial Command Line Interface
Switch Properties
Switching Latency 7 µs
Switching Bandwidth 8 Gbps
MAC Table 1K
Processing Store-and-Forward
Contacts (PoE Models Only)
Response Time 25ms typical (network dependent)
Input/Output Channels 2
Inputs 2× Dry Closure
Outputs 2 × Form A contacts (Rated 1A @ 24 VDC, non-
resistive loads)
Power
Operating Voltage Dual 48 to 56 VDC PoE, 9 to 36 VDC
or 24 VAC non PoE
Current Draw 126W max with PoE, 6W max w/out PoE
Current Protection Automatic Resettable Solid-State Current Limiters
PoE Pin Assignment RJ45 port supports IEEE802.3at
End-point Positive (VCC+): RJ45 pin 1, 2
(RJ45 pin 1,2 and 4,5 on 60W ports)
Negative (VCC-): RJ45 pin 3, 6
(RJ45 pin 3,6 and 7,8 on 60W ports)
Electrical & Mechanical
Indicating LEDs Optical Link/Data Activity
Electrical Link/Data Activity
Power PoE Status
Circuit Board Meets IPC Standard
Size 4.1 × 3.7 × 1.46 in (10.4 × 9.4 × 3.7 cm)
Surface Mount Wall or Flat Surface Screw Attachment
Shipping Weight <2 lb / 0.9 kg
Environmental
MTBF >100,000 hours
Operating Temp -40˚ C to +75˚ C
Storage Temp -40˚ C to +85˚ C
Relative Humidity 0% to 95% (non-condensing)²
Software Features
RSTP (IEEE 802.1D/w)
Port Configuration, Status, Statistics
PoE Configuration, Status, Health Check
SNMP
Enable/Disable Ports
Ethernet 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



