NL31 - Robust 12-Port Fully Managed Ethernet Switch with PoE

Layer 2/3 Switch with M12 Front Connectors & Fiber Option

Rugged 12-port Gigabit Ethernet switch with layer 2/3 extension, M12 connectors and optional fiber-optics on the front panel.

Product Comparison

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NL31 - 12-Port Fully Managed Ethernet Switch with PoE

Main Features

12x 10/100/1000BASE-TX ports
2x 10/100/1000BASE-TX uplink ports with bypass relay on one uplink pair
M12 A-, D- or X-coded (screwed and push-pull)
10x PoE+ Power Sourcing Equipment, up to 300 W
Ultra-wide range rail power supply: 24 V DC to 110 V DC
ITU-T G.8031/G.8032 Ethernet linear and ring protection switching
2x 1000BASE-SX fiber uplink (Q-ODC) (optional)
-40 °C to +70 °C (+85 °C), fanless
EN 50155 compliant (railways)

Technical Data

Switch Key Features

Switching Matrix
- Total switching capacity of chipset: 29 Gbit/s
- MAC address table size: 8192
- Switching algorithm: Store-and-forward, TCAM high-speed (Ternary Content-Addressable Memory)
General Network Support
- IPv4
- IPv6
- IPv6 Ready Logo approved
Protocols and Functionality
- DHCP ARP inspection
- DHCP Option 82
- DHCP Server/Client
- DHCP snooping
- DNS Client (RFC 2136)
- DNS Proxy (RFC 5625)
- IEEE 1588v2 PtP
- Transparent clock
- One step and two step clocks
Ports and Port Control
- Energy Efficient Ethernet (IEEE 802.3az)
- ETH Signal Equalization and Power Control
- Inband management (VRAP)
- Port frame size (Jumbo Frames: 9216 bytes/packet max.)
- Port state (admin), speed, duplex mode and flow control
- Port status (link monitoring) and statistics (MIB counters)
- Port VeriPHY (cable diagnostics), ActiPHY and PerfectReach
User Configuration Interfaces
- Command line interface (CLI) via console, SSHv2, Telnet
- Web interface (HTTP/HTTPS) via IPv4, IPv6
For more information on the switch firmware features see the firmware product page.

Power Over Ethernet

PSE (Power Sourcing Equipment)
Supply classes 0, 1, 2, 3, 4
Number of PoE ports: 10
Total PoE power available: 90 W (300 W with external power supply)

Interfaces

Ethernet
- 2x 1000BASE-SX, Q-ODC, receptacle
- 12x 10/100/1000BASE-T, M12, X-coded, receptacle
- 12x 10/100/1000BASE-T, M12, A-coded, receptacle
- 10x 10/100BASE-T, M12, D-coded, receptacle
- 2x 10/100/1000BASE-T, M12, A-coded, receptacle
- D-coded connectors are typically combined with two A-coded connectors for uplink.
- For possible combinations contact MEN.
Serial
- 1x RS232, M12, A-coded, receptacle
LED
- Status: power status, system status
- Ethernet: link, activity
Power
- 1x power in, M12, A-coded, plug
- 1x PoE in, M12, L-coded, plug
- Earthing connection: M6 screw

Supervision and Control

Temperature measurement
Watchdog timer

Electrical Specifications

Supply voltage
- 24 V DC to 110 V DC nom. (EN 50155)
- 52 V DC (PoE+)
Power consumption
- 130 W max. (with maximum PoE load)

Mechanical Specifications

Dimensions
- (W) 390 mm, (D) 236 mm, (H) 89 mm
Weight: 6.0 kg max.
Mounting possibilities
- Wall-mount
- Rack-mount in 19" cabinet
Cooling
- Air cooling, natural convection, airflow 0.4 m/s
Protection rating: IP30

Product Compliance: Rail - Rolling Stock

Operating temperature: -40 °C to +70 °C, +85 °C for 10 min (EN 50155:2017, class OT4, ST1)
Rapid temperature variations: EN 50155:2017, class H1, no requirements
Storage temperature: -40 °C (EN 50155:2017) to +85 °C (EN 60068-2-2, Bb)
Altitude: +3000 m max. (EN 50125-1:2014, class AX)
Pollution degree: EN 50124-1:2017, class PD2
Humidity: +55 °C and +25 °C, 100 % RH max. (EN 50155:2017)
Shock: 30 ms @ 50 m/s² (EN 61373:2010/AC:2017-09, vehicle body, cat. 1, class B)
Vibration: 10 min @ 2.02 m/s² (functional) and 5 h @ 11.44 m/s² (long-life) (EN 61373:2010/AC:2017-09, vehicle body, cat. 1, class B x 2)
Power supply
- General compliance with power supply requirements of EN 50155:2017
- Interruption of voltage supply: 10 ms (EN 50155:2017, class S2)
Electrical Safety
- EN 50155:2017
- EN 50153:2014 + A1:2017
- EN 50124-1:2017
- EN ISO 13732-1:2008
Fire protection: EN 45545-2:2013 + A1:2015, HL3
EMC emission
- EN 50121-3-2:2016
- Regelung Nr. EMV 06 :2014-07-29, Anhang E: Messung an Geräten
EMC immunity: EN 50121-3-2:2016
Useful life: 20 years (EN 50155:2017, class L4)
Protective coatings: EN 50155:2017, class PC2 (Any PCB protected on both sides)

Reliability

MTBF: 350 000 h predicted @ 40 °C according to IEC/TR 62380 (RDF 2000)

Ordering Information

Standard NL31 Models

09NL31-10

Fully managed 12-port Ethernet switch, 10x 10/100BASE-TX on M12 D-coded, 2x 10/100/1000BASE-TX on M12 A-coded (uplink), PoE, -40°C to +70°C (+85°C), conformal coating

09NL31-50

Fully managed 12-port Ethernet switch, 12x 10/100/1000BASE-TX on M12 X-coded, PoE, -40°C to +70°C (+85°C), conformal coating

09NL31S40

Fully managed 12+2-port Ethernet switch, 12x 10/100/1000BASE-TX on M12 X-coded, 2x 1000BASE-SX fiber uplink on Q-ODC, PoE, -40°C to +70°C (+85°C), conformal coating

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NL34 - Robust 24-Port Fully Managed Ethernet Switch with PoE

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09NL34S44

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