309 Series EDS 305 308 316

User Manual: 309 series

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Industrial Ethernet Solutions

EDS-305/308/309/316 Series
5, 8, 9, and 16-port unmanaged Ethernet switches

››Relay output warning for power failure and port break alarm
››Broadcast storm protection
››-40 to 75°C operating temperature range (T models)

Introduction
The EDS-305/308/309/316 Ethernet switches provide an economical
solution for your industrial Ethernet connections. These 5, 8, 9, and
16-port switches come with a built-in relay warning function that
alerts network engineers when power failures or port breaks occur. In
addition, the switches are designed for harsh industrial environments,
such as the hazardous locations defined by the Class 1 Div. 2 and

ATEX Zone 2 standards. The switches comply with FCC, UL, and CE
standards and support either a standard operating temperature range
of 0 to 60°C or a wide operating temperature range of -40 to 75°C. All
switches in the series undergo a 100% burn-in test to ensure that they
fulfill the special needs of industrial automation control applications.
The EDS-305/308/309/316 switches can be installed easily on a DINrail or in a distribution box.

Specifications
Technology

Standards:
IEEE 802.3 for 10BaseT
IEEE 802.3u for 100BaseT(X) and 100BaseFX
IEEE 802.3x for Flow Control
Processing Type: Store and Forward

Switch Properties
MAC Table Size:
EDS-305/308/309: 1K
EDS-316: 4K
Packet Buffer Size:
EDS-305: N/A
EDS-308/309: 512 kbit
EDS-316: 1.25 Mbit

Optical Fiber
100BaseFX
SingleMulti-Mode

Mode

(40 km)

(80 km)

G.652

G.652

50/125 μm
Fiber Cable Type

OM1

800
MHz*km

Typical Distance
Wavelength

Interface

RJ45 Ports: 10/100BaseT(X) auto negotiation speed, Full/Half duplex
mode, and auto MDI/MDI-X connection
Fiber Ports: 100BaseFX ports (SC/ST connector)
DIP Switches:
• Port break alarm mask
• Enable/disable broadcast storm protection (EDS-316)
Alarm Contact: 1 relay output with current carrying capacity of 1 A @
24 VDC

Single-

Mode

Optical
Power

40 km

80 km

Typical (nm)

4 km

1300

5 km

1310

1550

TX Range (nm)

1260 to 1360

1280 to
1340

1530 to
1570

RX Range (nm)

1100 to 1600

1100 to
1600

1100 to
1600

TX Range (dBm)

-10 to -20

0 to -5

0 to -5

RX Range (dBm)

-3 to -32

-3 to -34

-3 to -34

Link Budget (dB)

12

29

29

Dispersion
Penalty (dB)

3

1

1

Note: When connecting a single-mode fiber transceiver, we recommend using
an attenuator to prevent damage caused by excessive optical power.
Note: Compute the “typical distance” of a specific fiber transceiver as follows:
Link budget (dB) > dispersion penalty (dB) + total link loss (dB).

Power Requirements

Input Voltage:
EDS-305/308: 24 VDC, redundant dual inputs
EDS-309: 24 VDC, redundant dual inputs
EDS-316: 12/24/48 VDC, redundant dual inputs
Operating Voltage:
EDS-305/308: 12 to 48 VDC
EDS-309: 12 to 45 VDC
EDS-316: 9.6 to 60 VDC

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Industrial Ethernet Solutions
Standards and Certifications

Input Current:
EDS-305: 0.11 A @ 24 V
EDS-305-M/S: 0.13 A @ 24 V
EDS-308: 0.11 A @ 24 V
EDS-308-M/S: 0.17 A @ 24 V
EDS-308-MM/SS: 0.19 A @ 24 V
EDS-309-3M: 0.26 A @ 24 V
EDS-316: 0.24 A @ 24 V
EDS-316-M/S/MM/SS/MS: 0.31 A @ 24 V
Overload Current Protection:
EDS-305, EDS-305-M, EDS-305-S, EDS-308: 1.1 A
EDS-308-M/S/MM/SS, EDS-309 Series: 1.6 A
EDS-316 Series: 2.5 A
Connection: 1 removable 6-pin terminal block
Reverse Polarity Protection: Supported

Safety:
EDS-305 Series: UL 508, UL 60950-1, CSA C22.2 No. 60950-1
EDS-308/309/316 Series: UL 508, UL 60950-1,
CSA C22.2 No. 60950-1, EN 60950-1
Hazardous Location: UL/cUL Class 1 Division 2 Groups A/B/C/D,
ATEX Zone 2 Ex nA nC IIC T4 Gc
EMC: EN 55032/24
EMI: CISPR 32, FCC Part 15B Class A
EMS:
IEC 61000-4-2 ESD: Contact: 6 kV; Air: 8 kV
IEC 61000-4-3 RS: 80 MHz to 1 GHz, 3 V/m
IEC 61000-4-4 EFT: Power: 2 kV; Signal: 1 kV
IEC 61000-4-5 Surge: Power: 2 kV; Signal: 1 kV
IEC 61000-4-6 CS: 3 V (EDS-309/316: 10 V)
IEC 61000-4-8
Marine: DNV, GL
Shock: IEC 60068-2-27
Freefall: IEC 60068-2-32
Vibration: IEC 60068-2-6

Physical Characteristics

Housing: Metal
IP Rating: IP30 protection
Dimensions:
EDS-305/308/309 Series:
53.6 x 135 x 105 mm (2.11 x 5.31 x 4.13 in)
EDS-316 Series:
80.1 x 135 x 105 mm (3.15 x 5.31 x 4.13 in)
Weight:
EDS-305/308/309 Series: 790 g (1.75 lb)
EDS-316 Series: 1140 g (2.52 lb)
Installation: DIN-rail mounting, wall mounting (with optional kit)

Note: Please check Moxa’s website for the most up-to-date certification status.

MTBF (mean time between failures)
Time:
EDS-305 Series: 422,000 hrs
EDS-308 Series: 255,000 hrs
EDS-309 Series: 396,000 hrs
EDS-316 Series: 257,000 hrs
Standard: MIL-HDBK-217F, GB 25°C

Environmental Limits

Warranty

Operating Temperature:
Standard Models: 0 to 60°C (32 to 140°F)
Wide Temp. Models: -40 to 75°C (-40 to 167°F)
Storage Temperature: -40 to 85°C (-40 to 185°F)
Ambient Relative Humidity: 5 to 95% (non-condensing)

Warranty Period: 5 years
Details: See www.moxa.com/warranty

Dimensions
Unit: mm (inch)

EDS-305/308/309 Series

46.0 (1.8)
66.8 (2.6)

25.4 (1.0)

3

4

48.3 (1.9)

6

46.8 (1.8)

8

5

25.7 39.4 (1.6)
(1.0)

135.0 (5.3)

35.0 (1.4)

135.0 (5.3)

7

44.0 (1.7)

7.8
(0.3)

100M

2
10M

105.0 (4.1)

10.7 (0.4)

53.6 (2.1)

Side View

Front View

30.5 (1.2)

Rear View

30.4
(1.2)

80.1 (3.2)
73.0 (2.9)

70.0 (2.8)

135.0 (5.3)

8.8
(0.3)

135.0 (5.3)

9.1 (0.4)

51.6 (2.0)
34.0
(1.3)

DIN-Rail/PanelMounting Kit
8.8
(0.3)
6.0 (0.2)
67.0 (2.6)

105 (4.1)
30.0
(1.2)

7.8
(0.3)

10.7 (0.4)

EDS-316 Series
12.4 (0.5)

30.5
(1.2)

23.2
(0.9)

1

48.4 (1.9)
198.1 (7.8)

15.1
(0.6)

30.0 (1.2)

80.1 (3.2)

Side View

2

Front View

Rear View

DIN-Rail/
Panel-Mounting Kit
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Industrial Ethernet Solutions

Ordering Information
Available Models

Port Interfaces
100BaseFX

Standard Temperature

Wide Temperature

(0 to 60˚C)

(-40 to 75˚C)

10/100BaseT(X)

Multi-Mode,

Multi-Mode,

Single-Mode,

SC Connector

ST Connector

SC Connector

Single-Mode,
SC Connector,
80 km

EDS-305 Series
EDS-305

EDS-305-T

5

–

–

–

–

EDS-305-M-SC

EDS-305-M-SC-T

4

1

–

–

–

EDS-305-M-ST

EDS-305-M-ST-T

4

–

1

–

–

EDS-305-S-SC

EDS-305-S-SC-T

4

–

–

1

–

EDS-305-S-SC-80

–

4

–

–

–

1

EDS-308

EDS-308-T

8

–

–

–

–

EDS-308-M-SC

EDS-308-M-SC-T

7

1

–

–

–

EDS-308-MM-SC

EDS-308-MM-SC-T

6

2

–

–

–

EDS-308-MM-ST

EDS-308-MM-ST-T

6

–

2

–

–

EDS-308-S-SC

EDS-308-S-SC-T

7

–

–

1

–

EDS-308-SS-SC

EDS-308-SS-SC-T

6

–

–

2

–

EDS-308-S-SC-80

–

7

–

–

–

1

EDS-308-SS-SC-80

–

6

–

–

–

2

EDS-309-3M-SC

EDS-309-3M-SC-T

6

3

–

–

–

EDS-309-3M-ST

EDS-309-3M-ST-T

6

–

3

–

–

EDS-316

EDS-316-T

16

–

–

–

–

EDS-316-M-SC

EDS-316-M-SC-T

15

1

EDS-316-M-ST

EDS-316-M-ST-T

15

–

1

–

–

EDS-316-MM-SC

EDS-316-MM-SC-T

14

2

–

–

–

EDS-316-MM-ST

EDS-316-MM-ST-T

14

–

2

–

–

EDS-316-MS-SC

–

14

1

–

1

–

EDS-316-S-SC

EDS-316-S-SC-T

15

–

–

1

–

EDS-316-SS-SC

EDS-316-SS-SC-T

14

–

–

2

–

EDS-316-SS-SC-80

–

14

–

–

–

2

EDS-308 Series

EDS-309 Series

EDS-316 Series

Optional Accessories (can be purchased separately)

DR-4524/75-24/120-24: 45/75/120 W DIN-rail 24 VDC power supplies
MDR-40-24/60-24: 40/60 W DIN-rail 24 VDC power supplies, -20 to 70°C operating temperature
RK-4U: 4U-high 19-inch rack-mounting kit
WK-46: Wall-mounting kit, 2 plates with 8 screws

3

–

Package Checklist
• EDS-305 or EDS-308 or EDS-309 or
EDS-316 switch
• Protective caps for unused ports
• Hardware installation guide (printed)
• Warranty card

© Moxa Inc. All rights reserved. Updated Jun. 19, 2017. Specifications subject to change without notice. Please visit our website for the most up-to-date product information.



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