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  5. JetNet 3808G-M12 Endüstriyel Un-Managed Booster PoE Switch

JetNet 3808G-M12 Endüstriyel Un-Managed Booster PoE Switch

The JetNet 3808G-M12 is a new generation Powerover-Ethernet Switch with rugged M12 connectors. It is designed for IP Surveillance in harsh environments such as Train, MRT, and LRV systems and is equipped with 7 PoE/PSE Fast Ethernet ports and 1 PoE/PSE Gigabit interface. The PSE system enables 30W high power PoE function and is compliance with IEEE 802.3af/at standard. The switch system adapts to vehicle/railway electrical power system and supports several types of input voltage rating to correspond with different train electrical power systems. With multi-backup features, the JetNet 3808G-M12 is capable to construct IP Surveillance network on the train, ensure passenger's safety and improve train network reliability.

Category:

JetNet 3808G-M12 Industrial Un-Managed Booster PoE Switch

  • 1 Gigabit/PSE M12 X-code, 7 100M/PSE M12 D-code, M12-A Power

  • Power feeding 15.4W/30W, compliance with IEEE 802.3af/at

  • Power System design with 120W PoE budget and compliance with safety requirement

  • Rugged M12 Ethernet, power connectors for vibration and shock application

  • IEEE 802.1p Class of Service (CoS) for packet forwarding precedence

  • 10K bytes Jumbo Frame for large file transmission

  • Broadcast storm packet filtering

  • Embedded DC 54V Booster

  • Railway Standards: EN50155, EN50121-3-2, EN50121-4

  • Traffic Standard: E-mark E13

  • -40~75℃operating temperature

Technology

Standard

IEEE 802.3u 10Base-T Ethernet
IEEE 802.3u 100Base-TX Fast Ethernet
IEEE 802.3ab 1000Base-TX Gigabit Ethernet
IEEE 802.3af Power over Ethernet
IEEE 802.3at High Power PoE with 2-Event classification
IEEE 802.3x Flow control and back-pressure

Network Performance

Switch Technology

Store and Forward technology with 3.4Gbps non-blocking

System Throughput

23.8Mega packets per second, 64Bytes packet length

Transfer packet size

64Bytes ~1518Bytes

MAC Address

16K MAC address table

Packet Buffer

2 Mega bits shared packet buffer

Broadcast storm
control:

Default enabled
Traffic threshold:
25M bps@1000Mbps;
10M bps@100Mbps;
1M bps@10 Mbps

Jumbo frame

Up to 10K Bytes

Transfer performance

14,880 pps @10Mbps
148,800 pps @100Mbps
1,488,100 pps @1000Mbps

Class of Service

Default Enabled
Compliance with IEEE802.1p class of service with Tag Based Priority rule. Each switch port
provides 4 priority queues as following – 8 (Higher) : 4(High) : 2(Low) :1(Lower) scheduling.
The Tag Priority ID as following: Highest (6,7), High (4,5), Low (0,3), Lowest (1,2)

Power over Ethernet

Power over Ethernet

IEEE 802.3af/at, End-Span wiring architecture

PoE operating mode

Auto Mode: IEEE 802.3af/at behaviors with IEEE 802.3at 2-Event for high power IEEE 802.3at
2-event PD device

PoE forwarding
conductor

M12 X-Code (Port 1): V+(1,2), V- (3,4)
M12 D-Code (Port 2~8): V+(1,3), V- (2,4)

Power forwarding
capability

IEEE 802.3af:15.4 W, IEEE802.3at:30W

PoE System Power
Budget

Power Budget Reserve by PD declaration. The power budget control system will reserve power
for connected PD device. Once the latest PD device claimed power over the system surplus
power budget, the highest port of PoE will not be active due to port order mechanism.
System Power Budget: 120Watts at DC 24V/ 60 Watts at DC 12V

Interface

Enclosure Port

• 1000 Base-T/Gigabit Ethernet (Port #1): 1 x M12-X Code 8-pin Female
• 10/100 Base-T/TX Fast Ethernet (Port #2~#8): 7 x M12-D Code 4-pin Female
• M12-X (Conductor #): (#1) 0P(D1+)/PoE V+, (#2) 0N(D1-)/PoE V+, (#3)1P(D2+)/PoE V-
, (#4)1N(D2-)/PoE V-, (#5)3P(D4+) (#6)3N(D4-), (#7) 2N (D3-), (#8) 2P (D3+)
• Power: M12 A-Code 5-pin Male

LED Indicators

Port 1~8: Link (Green on)/Activity (Green Blinking)
PoE Detection (Amber Blinking)/ PoE power forwarding (IEEE 802.3af/at-Amber on)
Power: System Power Ready (Green on), Ignition function Activity ( Green Blinking)

Power Requirement

System Power

Input voltage: DC 12V or DC 24V, variation range DC 9- 36 V

Power consumption

6 Watts @ DC 24V without PD loading
120 Watts @ DC 24V max.

Power Ignition Management

The count-down timer supports 4 scenarios which can be configured by Rotary-switch. The
detail shows in user manual.

 

Mechanical

Installation

Wall Mounting

Enclosure Material

Steel Metal with textured paint

Ingress Protection

IP-41 (IP54 available by request)

Dimension (mm)

116 mm (H) x 140 mm (W) x 58 mm (D) (without wall mount clip)

Weight (Kg)

1.105

Environmental

Operating Environment

-40°C~75°C (120 Watts PoE/PD Loading), 0~90%, Non-condensing

Storage Environment

-40°C~85°C, 0~90% Non-Condesing

Hi-Pot

AC 1KV for ports-power, power-case

Approvals

Railway Standard

EN50155, EN 50121-4, EN50121-3-2

Traffic

E-mark E13 10R-05 14802

EMC

EMI: EN50121-3-2, FCC Class A, IEC/EN61000-6-4
EMS:EN50121-3-2/EN50121-1, IEC/EN61000-6-2
IEC/EN61000-4-2, IEC/EN61000-4-3, IEC/EN61000-4-4, IEC/EN61000-4-5,
IEC/EN61000-4-6, IEC/EN61000-4-8, IEC/EN61000-4-9

Variation/Shock

IEC 61373

Free Fall

IEC 60068-2-32 with package Note-1

MTBF (hrs)

379,940

Warranty

5 Years

DS_JetNet 3808G-M12 V1.0

JetNet 3808G-M12

Industrial Un-Managed Booster PoE Switch 7 PoE/PSE Fast Ethernet ports and 1
PoE/PSE Gigabit Port

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