Passive Bypass Switches
PBSST Bypass Switch Stand Alone
Gigabit Copper Bypass Switch Stand Alone Unit

Silicom PBSST is external Bypass switches for Gigabit Copper Ethernet networks. The Silicom Bypass switch protects from network failures and Network maintenance by ensuring network integrity during power loss.
Silicom Bypass switch includes Network ports, Monitor ports and control port. The Network ports are used to connect to Switch / Router Network connections. The Monitor ports are used for an in-line networking device. The control port is used to control the mode of the Bypass switch. On power on, the mode of the Bypass switch is set to Normal, on power lose, the mode of the Bypass switch is set to Bypass
Functional Description
In Normal mode, the Bypass switch diverts the data from the Network ports data to the Monitor ports.
Figure: 1 – Normal Mode Functional Block Diagram
In Bypass mode, the Network data traffic routed directly to the other Network port and the Monitor data traffic routed directly to the other Monitor port
Figure: 2 – Bypass Mode Functional Block Diagram
PBSST Bypass Switch Stand Alone
Gigabit Copper Bypass Switch Stand Alone Unit
Bypass:
- Bypass Ethernet ports on Power lose
- Reliable Passive solution
- High speed switching
- Low insertions loss
- Throughput not affected and no added delay
Copper Gigabit Ethernet 1000Base-T:
- Supports Gigabit Ethernet (1000Base-T), Fast Ethernet (100Base-Tx) and Ethernet (10Base-T)
- RJ-45 female connectors
PBSST Bypass Switch Stand Alone
Gigabit Copper Bypass Switch Stand Alone Unit
PBSST: Copper Gigabit Ethernet Technical Specifications - (1000Base-T) Adapters | |
IEEE Standard / Network topology | Gigabit Ethernet, 1000Base-T Fast Ethernet, 100Base-TX Ethernet, 10Base-T |
Data Transfer Rate | 1000 Mbit/s, 100 Mbit/s and 10 Mbits/sec in simplex mode per port. 2000Mbit/s 200 and 20 Mbit/s in full duplex mode per port. |
Cables and Operating distance | 10Base-T Category 3, 4, or 5 maximum 50m * 100Base-Tx Category 5 maximum 50m * 1000Base-T Category 5E maximum 50m * *Theoretical Distance – Defined as half a distance as stated by the IEEE 802.3 standard |
PBSST: General Technical Specifications | |
Size: | x 152mm x 120.5mm x 24mm (6" x 4.75" x 1") |
Voltage: | +5V |
Weight: | 690 gram (24.4 oz) |
Power Consumption: | (0.184W) 40mA at 4.6V |
Operating Humidity: | 0%–90%, non-condensing |
Operating Temperature: | 0°C – 50°C (32°F - 122°F) |
Storage Temperature: | -20°C–65°C (-4°F–149°F) |
EMC Certifications: | Class B |
MTBF*: | > 50 years |
PBSST: LED and Connector Specifications | |
LEDs: | (1 ) LED Blue LED indicating Power /Bypass |
Connectors: | (4) Shielded RJ-45 for network data ports (1) RJ45 Control connector – Pin 5 5v, Pin 4 GND, pin 1 and pin 2 are shorted |
PBSST Bypass Switch Stand Alone
Gigabit Copper Bypass Switch Stand Alone Unit
P/N | Description | Notes |
PBSST | 1 Gigabit Copper Bypass Switch Stand Alone Unit | Supports Gigabit Ethernet (1000Base-T), Fast Ethernet (100Base-Tx) and Ethernet (10Base-T). |
RK-1U-3-PBSS | 1U Rack Mount Kit for Three PBSS products |
Model P/N /-R
-R: RoHS Compliant / Lead free adapter