Connectivity Rules

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

1000 Mbps Gigabit Ethernet Collision Domain

 

 

 

 

 

 

 

 

Table 4-4 Maximum 1000BASE-T Gigabit Ethernet Cable Length

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Cable Type

 

 

 

 

 

Maximum Cable Length

Connector

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Category 5, 5e, 6 100-ohm UTP or STP

 

100 m (328 ft)

 

RJ-45

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Table 4-5 Maximum 1000BASE-SX Gigabit Ethernet Cable Length

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Fiber Size

 

 

 

Fiber Bandwidth

Maximum Cable Length

 

Connector

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

62.5/125 micron

160 MHz/km

 

 

2-220 m (7-722 ft)

 

LC

 

 

 

 

 

multimode fiber

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

200 MHz/km

 

 

2-275 m (7-902 ft)

 

LC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

50/125 micron multimode

400 MHz/km

 

 

2-500 m (7-1641 ft)

 

LC

 

 

 

 

 

fiber

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

500 MHz/km

 

 

2-550 m (7-1805 ft)

 

LC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Table 4-6 Maximum 1000BASE-LX Gigabit Ethernet Cable Length

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Fiber Size

 

 

 

Fiber Bandwidth

 

 

Maximum Cable Length

 

Connector

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9/125 micron

 

 

 

N/A

 

 

2 m - 5 km (7 ft - 3.2 miles)

 

LC

 

 

 

 

single-mode fiber

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Table 4-7 Maximum 1000BASE-LH Gigabit Ethernet Cable Length

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Fiber Size

 

 

 

Fiber Bandwidth

 

 

Maximum Cable Length

 

Connector

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9/125 micron

 

 

 

N/A

 

 

2 m - 70 km (7 ft - 43.5 miles)

 

LC

 

 

 

 

single-mode fiber

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

100 Mbps Fast Ethernet Collision Domain

 

 

 

 

 

 

 

 

 

Table 4-8 Maximum Fast Ethernet Cable Length

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Type

 

Cable Type

 

 

 

 

 

Max. Cable Length

Connector

 

 

 

 

 

 

 

 

 

 

 

 

 

 

100BASE-TX

 

Category 5 or better 100-ohm UTP or STP

 

100 m (328 ft)

 

RJ-45

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10 Mbps Ethernet Collision Domain

 

 

 

 

 

 

 

 

 

 

 

 

Table 4-9 Maximum Ethernet Cable Length

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Type

 

Cable Type

 

 

 

 

 

Maximum Length

 

Connector

 

 

 

 

 

 

 

 

 

 

 

100ASE-T

 

Twisted Pair, Categories 3, 4, 5 or better

 

 

100 m (328 ft)

 

RJ-45

 

 

 

 

100-ohm UTP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4-7

Page 51
Image 51
SMC Networks SMC8950EM, SMC8926EM manual Mbps Gigabit Ethernet Collision Domain, Mbps Fast Ethernet Collision Domain

SMC8926EM, SMC8950EM specifications

SMC Networks has established itself as a prominent player in the networking and connectivity market, offering a range of professional solutions designed for small to medium-sized enterprises. Among its notable products are the SMC8950EM and the SMC8926EM, two advanced Ethernet switches that cater to the need for reliable and efficient networking.

The SMC8950EM is an enterprise-class managed switch that delivers high-performance capability with 48 10/100/1000Mbps Ethernet ports, providing extensive connectivity for various devices on a local area network. Its architecture is designed to handle high traffic loads, making it apt for environments where speed and reliability are paramount. This switch supports multiple protocols, including VLANs, which allow for flexible network segmentation and improved security. The SMC8950EM also features several Layer 2 and Layer 3 management protocols, enabling the switch to support advanced routing, Quality of Service (QoS), and network traffic management.

On the other hand, the SMC8926EM is a compact yet powerful switch equipped with 24 10/100/1000Mbps Ethernet ports, making it ideal for smaller installations or branch offices that require scalability without compromising on performance. With support for Power over Ethernet (PoE), the SMC8926EM simplifies the implementation of IP phones, security cameras, and wireless access points, making it particularly useful in environments where power outlets may be limited.

Both models employ advanced technologies, such as network storm control and link aggregation, to enhance performance and ensure seamless connectivity. They also provide comprehensive network monitoring capabilities, allowing administrators to manage traffic and troubleshoot issues proactively. The user-friendly web interface facilitates easier management and configuration, while SNMP support enables integration with existing network management systems for enhanced visibility and control.

Ultimately, the SMC8950EM and SMC8926EM represent robust networking solutions that address the challenges faced by modern enterprises. With their combination of high performance, advanced features, and scalability, these switches are well-suited for companies looking to build a reliable and efficient network infrastructure. Whether for a large organization or a small branch office, SMC Networks continues to deliver products that meet the evolving needs of users worldwide.