| Sales | Phone/Whatsapp | |
| Jim Pei | [email protected] | +86 18020776782 |
| Model Number | 6GK5108-2BB00-2AB2 |
| Copper Ethernet ports | 8 × RJ45 |
| Copper transmission rates | 10 / 100 Mbit/s |
| Copper duplex modes | Half duplex / full duplex |
| Optical Ethernet ports | 2 × ST/BFOC |
| Optical transmission standard | 100Base-FX, IEEE 802.3 |
| Optical transmission rate | 100 Mbit/s |
| Optical fiber type | Multimode glass fiber |
| Optical wavelength | 1,300 nm |
| Maximum optical link length | 3 km with 50 µm or 62.5 µm core fiber; cable-dependent |
| Minimum optical transmit power, 50 µm fiber | -23.5 dBm |
| Minimum optical transmit power, 62.5 µm fiber | -20 dBm |
| Maximum optical transmit power | -14 dBm |
| Minimum receiver sensitivity | -31 dBm |
| Maximum receiver input power | -8 dBm |
| Rated supply voltage | 24 V AC / DC |
| Permissible supply voltage | 19.2–28.8 V AC / DC (SELV) |
| Power connection | 3-terminal block, redundant supply connection |
| Current consumption at 24 V DC | 300 mA |
| Current consumption at 24 V AC | 450 mA |
| Power loss at 24 V DC | 7.2 W |
| Apparent power at 24 V AC | 10.8 VA |
| Operating ambient temperature | 0–60 °C |
| Storage and transport temperature | -40 to +80 °C |
| Relative humidity at 25 °C | 95% maximum, non-condensing |
| Ingress protection | IP20 |
| Maximum operating altitude | 3,000 m |
| Learnable MAC addresses | 1,024 |
| MAC address aging time | 45 s |
| QoS priority queues | 4 |
| Maximum Ethernet frame size | 1,536 bytes |
| Store-and-forward delay at 100 Mbit/s | 10–130 µs |
| Operating shock resistance | 15 g, 11 ms; 6 shocks per axis |
| Corrosive atmosphere classification | ANSI/ISA-71.04 G3 |
| Minimum Order Quantity | 1 Piece |
| Price | Contact for Jim |
| Packaging Details | Original new Factory Sealed |
| Delivery Time | 3–7 Days |
| Payment Terms | T/T |
| Shipping Method | DHL / FedEx / UPS / TNT |
| Supply Ability | In stock |
Siemens 6GK5108-2BB00-2AB2 is the SCALANCE XB108-2 unmanaged industrial Ethernet switch. It combines eight RJ45 copper ports with two ST/BFOC multimode fiber ports. The copper interfaces support Fast Ethernet equipment as well as lower-speed Ethernet connections. The optical interfaces extend the network over compatible multimode fiber cabling. A redundant AC or DC power connection supports industrial cabinet installations.
The 6GK5108-2BB00-2AB2 supports small star and line networks for industrial automation. Store-and-forward switching transfers frames between connected network segments. Local LEDs make power and port activity visible during commissioning. The unmanaged design provides straightforward network expansion without a switch management interface. Select matching optical connectors and fiber characteristics when integrating the switch into an existing installation.
Connect compatible industrial Ethernet devices in small star networks, combining local copper connections with optical network links.
Use the two multimode ST/BFOC interfaces to connect distributed network sections through suitable fiber-optic cables.
Install the compact switch on a DIN rail and use the redundant supply connection and local LEDs for cabinet power integration and status checks.
No. This is an unmanaged switch; select a managed switch if the installation requires web-based configuration.
Use the ST/BFOC multimode version when checking existing fiber patch leads. Do not confuse it with an SC-connector variant.
It can forward PRP frames, but it does not provide Redundant Network Access (RNA). Confirm the intended network role before replacement.
Confirm the connector type, fiber link budget, supply wiring and DIN-rail installation conditions against the network design.
Ask Jim for actual-item photographs, the quoted condition and available inspection details. The seller warranty is 12 months under the agreed terms.
Confirmed in-stock goods are dispatched immediately after payment is received. Courier and tracking details are supplied after shipment.
Germany – A Germany customer urgently needed a replacement for a discontinued automation component. After reviewing the product label, technical parameters, and application details, our engineers recommended a compatible alternative and provided photos and test videos before shipment. The alternative performed well, enhancing the customer's confidence in our technical capabilities and leading to multiple repeat orders.
India – An Indian customer still had doubts after initial online communication with us, so they visited our company in person for a face-to-face meeting and product inspection. This visit increased the customer's trust and led to the successful placement of their first order. Over the next few years, we completed multiple orders and established a stable, long-term partnership.
Malaysia – A Malaysia customer needed a specific automation component and compared products and services from several suppliers online. After nearly three weeks of careful consideration, our sincere communication, professional service, and reliable product quality won the customer's trust. After receiving the product and using it for several weeks without any problems, the customer gave us positive feedback and subsequently placed multiple orders.
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