User Manual
- 15 - 
LED Indicators 
P1, P2 (Power), 10/100M (TP port), and 100M 
(Fiber port) 
DIP Switch 
enable/disable broadcast storm protection 
Optical Fiber 
100BaseFX 
Multi-mode 
Single-mode 
Wavelength 
1300 nm 
1310 nm 
Max. TX 
-10 dBm 
0 dBm 
Min. TX 
-20 dBm 
-5 dBm 
RX Sensitivity 
-32 dBm 
-34 dBm 
Link Budget 
12 dB 
29 dB 
Typical Distance 
5 km
a
40 km
c
4 km
b
Saturation 
-6 dBm 
-3 dBm 
a. using [50/125μm, 800 MHz*km] cable 
b. using [62.5/125μm, 500 MHz*km] cable 
c. using [9/125 μm, 3.5 PS/(nm*km)] cable 
Power 
Input Voltage 
12/24/48 VDC (9.6 to 60 VDC),   
18 to 30VAC (47 to 63 Hz) 
Input Current @ 24VDC 
0.1 A (EDS-205A) 
0.11 A (EDS-205A-M/S) 
0.13 A (EDS-208A) 
0.17 A (EDS-208A-M/S) 
0.22 A (EDS-208A-MM/SS) 
Connection 
Removable 4-contact terminal block 
Overload Current 
Protection 
1.1 A 
Reverse Polarity 
Protection 
Present 
Physical Characteristics 
Housing 
IP30 protection, metal case 
Dimensions 
EDS-208A Series: 50 x 115 x 70 mm   
EDS-205A: 30 x 115 x 70 mm 
Weight 
EDS-208A Series: 275 g 
EDS-205A: 175 g 
Installation  DIN-Rail Mounting, Wall Mounting   
(with optional kit) 
Environmental Limits 
Operating Temperature 
-10 to 60°C (14 to 140°F) 
-40 to 75°C (-40 to 167°F) for -T models 
Storage Temperature 
-40 to 85°C (-40 to 185°F) 
Ambient Relative Humidity 
5 to 95% (non-condensing) 
Regulatory Approvals 
Safety   
UL508 
Hazardous Location  UL/cUL Class I, Division 2, Groups A, B, C, and 
D; ATEX Zone 2, Ex nA nC IIC T4 Gc 
Maritime 
DNV, GL, ABS, LR, NK 
Rail Traffic 
EN 50121-4 
EMI 
FCC Part 15, CISPR (EN 55022) class A 
EMS 
EN 61000-4-2 (ESD), Level 3 
EN 61000-4-3 (RS), Level 3 










