Hardware Reference

15

DS3 Interface Cables

Use 75Ω RG59 coaxial cables with BNC connectors. Two cables are required, one for transmit and one for receive. Neither cable should exceed 135m (455feet) in length.

Testing an AT-AR048 NSM

The Test Facility is built into the AlliedWare operating system, and is the best method to verify the correct operation of the DS3 interface on the AT-AR048 NSM. Testing can be performed while the switch or router is operational, but any interfaces being tested are dedicated to the Test Facility. For more information about the Test Facility, see the Test Facility chapter of the AlliedWare® Operating System Software Reference.

To test an AT-AR048 DS3 interface, connect a 75Ω RG59 cable between the transmit and receive BNC connectors, and enter the command:

enable test interface=ds3n

where n is the interface number.

Alternatively, enter the command:

enable test interface=expansion

Tests run for 4 minutes. Test status and results can be viewed at any time, using the command:

show test

which produces a display like that shown in Figure 10.

Figure 10: Example output from the show test interface command for a DS3 interface

Board ID Bay Board NameHost Id Rev Serial number

-------------------------------------------------------------------------------

Base

114

AT-RP24i Rapier 24i

 

M2-0

41376726

NSM DS3

187

AT-AR048 NSM DS3

 

M1-1

49986061

 

 

 

Duration

Details

 

Interface

State

Result

Type (minutes)

Data( %OK )

Control

-----------------------------------------------------------------------------

DS30 complete good-4 good(100.0) -

-----------------------------------------------------------------------------

A more detailed output (with frame counts) can be displayed with the command:

show test interface counter

which produces a display like that shown in Figure 11 on page 16.

For more information on the meanings of the output, see the see the Test Facility chapter of the AlliedWare® Operating System Software Reference. If you are unsure about running the Test Facility, have difficulty evaluating the results, or if a test fails, contact your authorised Allied Telesis distributor or reseller.

C613-03022-00 REV K

Page 16
Image 16
Allied Telesis AT-AR042, AT-AR040-10, AT-AR041-00 manual DS3 Interface Cables, Testing an AT-AR048 NSM

AT-AR040, AT-AR040-10, AT-AR048, AT-AR041-00, AT-AR041 specifications

Allied Telesis has established itself as a reputable brand in the networking solutions market, and its AT-AR Series routers further exemplify their commitment to providing robust networking technology. The AT-AR042, AT-AR041, AT-AR041-00, AT-AR048, and AT-AR040-10 models come packed with features designed to meet the diverse demands of modern networks.

The AT-AR042 is a versatile router designed for small to medium-sized enterprises, offering advanced routing capabilities along with integrated security features. It supports a range of protocols, ensuring seamless connectivity across different network types. One of its standout characteristics is its support for Virtual Private Networks (VPNs), facilitating secure remote access for employees.

The AT-AR041 and the AT-AR041-00 models are specifically crafted to deliver dependable performance in both wired and wireless environments. They offer high-speed connectivity and are equipped with Layer 3 routing features, which is essential for effective traffic management in more complex network setups. These models also incorporate essential security protocols, reducing the risk of unauthorized access and ensuring data integrity.

The AT-AR048 extends the range of capabilities further with its advanced features aimed at larger organizations. It offers comprehensive Quality of Service (QoS) functionality, enabling prioritized traffic management which is particularly important in VoIP and video conferencing applications. Its multiple WAN support allows for load balancing, ensuring consistent uptime and optimized network performance during peak usage times.

Lastly, the AT-AR040-10 rounds out the series by offering a cost-effective solution without skimping on the essential features expected of a high-performance router. It comes with an intuitive management interface that simplifies configuration and monitoring, making it a favorable choice for IT staff.

Collectively, these routers incorporate technologies such as IPv6 support, SNMP for network management, and firewall capabilities to provide a secure and efficient networking environment. Additionally, they uphold the industry standards necessary for interoperability with existing systems.

In conclusion, the Allied Telesis AT-AR Series offers a range of products catering to the varying needs of businesses. From small offices to larger enterprises, these routers provide the essential features and capabilities needed to ensure reliable connectivity, secure access, and efficient network management. Their combination of performance, scalability, and security makes them an attractive choice for organizations looking to enhance their networking infrastructure.