General information
Status indicators Network activity for each channel, link/collision for each channel, supply voltage
Diagnostics
Bus function Yes, using status LED
Hub power supply Yes, using status LED
Type 8-port industrial hub (layer 2)
LED name
Network activity RX (orange)
Link/Collision L/C (link = green, collision = red)
Supply voltage OK (orange)
Certifications
CE Yes
UL cULus E115267
Industrial control equipment
LR ENV1
ABS Yes
EAC Yes
Interfaces
Signal Ethernet
Variant Shielded RJ45
Line length Max. 100 m between 2 stations (segment length)
Transfer rate 10/100 Mbit/s
Transfer
Physical layer 10BASE-T/100BASE-TX
Half-duplex Yes
Full-duplex No
Autonegotiation Yes
Auto-MDI/MDIX Yes
Hub propagation delay 0.64 to 0.68 µs
Power supply unit
Input voltage range 18 to 30 VDC
Current consumption Max. 150 mA
Power consumption Max. 3 W
Variant Switching power supply with reverse polarity protection diode, no overvoltage protection
Electrical properties
Electrical isolation
Ports isolated to each other, to ground and power supply.

Power supply and ground isolated.
Operating conditions
Mounting orientation
Face-up Yes
Vertical Yes
Degree of protection per EN 60529 IP20
Ambient conditions
Temperature
Operation
Face-up -25 to 60°C
Vertical -25 to 60°C
Storage -40 to 85°C
Transport -40 to 85°C
Relative humidity
Operation 5 to 95%, non-condensing
Storage 5 to 95%, non-condensing
Transport 5 to 95%, non-condensing
Mechanical properties
Note Order 1x TB704 terminal block separately
Installation Top-hat rail installation, top-hat adapter included in delivery
Dimensions
Width 115 mm
Height 43 mm (51 mm with top-hat rail)
Depth 86 mm
Material number:
0AC808.9-1
Description:
8-port industrial hub (layer 2), 24 VDC, 10/100 Mbit/s with autonegotiation, automatic MDIX, order TB704 terminal block separately!
Mandatory Accessories
Terminal blocks
0TB704.9 Accessory terminal block, 4-pin, screw clamp terminal block 2.5 mm²
0TB704.91 Accessory terminal block, 4-pin, push-in terminal block 2.5 mm²
Automation Studio HW Upgrades Version (Date) Download
V4.0 HW Upgrade (0AC808.9-1) EXE / 914 KB
Certificates Version (Date) Download
ABS Certificate of Product Design Assessment - X20 IO Series PDF / 2 MB
Lloyds Register PDF / 502 KB
Documentation Version (Date) Download
Data sheet 0AC808.9-1 PDF / 251 KB
Redundancy for control systems PDF / 9 MB
E-CAD (Electro or EPLAN Templates) Version (Date) Download
equipment EPLAN P8 from V2.4 EXE / 4 MB
M-CAD (Mechan. Templates) Version (Date) Download
3D File DXF/STEP 0AC808.9-1 ZIP / 741 KB

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