3Com Router 5000 and Router 6000 v2.41

Module Guide

Chapter 2 Smart Interface Cards

 

 

 

 

 

Caution:

The wire marked TX in the E1 cable should be connected to the peer wire marked RX and the wire marked RX should be connected to the peer wire marked TX.

 

 

 

DB-15

 

 

 

 

 

 

 

 

 

BNC

 

Network

 

 

 

 

 

 

 

 

 

BNC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Router

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

devices

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

such as DDN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Coaxial connector

75-ohm E1 trunk cable

 

 

75-ohm non-balanced coaxial cable

Figure 2-18Extending an E1 75-ohmnon-balanced coaxial cable

If the remote device has 120-ohm interface, it is needed to use a 75-ohm-to-120-ohm adapter or use a 120-ohm cable.

2)When the E1 cable is a 120-ohm balanced twisted pair cable:

zDirectly connect the RJ45 connector of the cable to the RJ45 port of the remote equipment, if there is no need to extend the E1 cable, or

zConnect the RJ45 connector of the cable to the network connector and the other end of the network connector to the network equipment through a 120-ohm E1 trunk cable, if cable extension is needed.

 

 

 

 

DB-15

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RJ-45

 

RJ-45

Network

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Router

 

 

 

 

 

 

 

 

 

 

 

 

 

 

devices such

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

as DDN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Network interface connector

 

 

 

 

 

 

 

 

 

 

 

 

 

 

120-ohm balanced twisted pair

 

120-ohm E1 trunk cable

Figure 2-19Extending an E1 120-ohm balanced twisted pair cable

Step 4: Power on the Router, and check the LEDs of the corresponding slot on the

front panel: ON means that the SIC is operating normally and OFF means that the Power-On Self-Test (POST) of the SIC has failed. In the latter case, please contact your agent;

2-19

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3Com 3C13701 3C13751 3C13755 3C13759 3C13840 3C13880 manual Bnc
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3C13751, 3C13701, 3C13840, 3C13759, 3C13880 specifications

The 3Com 3C13880 and 3C13840 are notable components within the realm of networking technology, primarily designed for enterprise-grade solutions. These devices belong to the 3Com family, which has long been recognized for its commitment to developing robust networking products tailored to facilitate efficient data transfers and improve connectivity across various platforms.

One of the standout features of the 3C13880 is its high-performance capabilities. This model supports advanced functions such as load balancing and fault tolerance, critical for maintaining optimum network performance in high-demand environments. Additionally, it supports various protocols, including Ethernet and Token Ring, making it versatile and adaptable to existing infrastructure. The device accommodates a wide range of network transmissions, ensuring seamless integration and operation within diverse network ecosystems.

In terms of connectivity, the 3C13880 is equipped with multiple ports, allowing for extensive device interconnectivity. This feature is particularly beneficial in large organization settings, where multiple devices, such as servers and workstations, need to communicate effectively. Coupled with high-speed data transmission rates, this model ensures minimal latency, enhancing overall network efficiency.

On the other hand, the 3C13840 is designed with a focus on cost-efficiency without sacrificing performance. This model provides essential networking features suitable for smaller business environments or those seeking budget-friendly options. It delivers reliable throughput and the ability to support a moderate number of users, making it ideal for small to mid-sized offices.

Both the 3C13880 and 3C13840 incorporate technologies that prioritize security and reliability. Features such as VLAN support and QoS settings help optimize network performance while ensuring the security and integrity of data are maintained. The devices also support management tools that allow administrators to monitor network performance in real time, facilitating quick troubleshooting and enhancing overall network management.

In summary, both the 3Com 3C13880 and 3C13840 devices stand out in networking technology by offering unique features tailored to different organizational needs. While the 3C13880 appeals to enterprises needing high performance and robust capabilities, the 3C13840 provides an accessible option for those requiring effective and budget-conscious networking solutions. The legacy of 3Com continues to be evident in these products, reflecting their innovative approach to addressing the dynamic demands of modern networking.
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