Chapter 1 Hardware overview 33

Table 9 describes the LEDs on the T1/E1 CSU/DSU WAN interface card.

Table 9 LED indicators on the T1/E1 CSU/DSU WAN interface card

LED

Indicator

Description

 

 

 

LED 1

Red

The red alarm LED is lit when a loss-of-signal (LOS) or

 

 

out-of-frame (OOF) condition is detected on the receive

 

 

signal.

LED 2

Blue

The blue alarm LED is lit when receiving an upstream

 

 

failure denoted by an alarm indication signal (AIS).

LED 3

Yellow

The yellow alarm LED is lit when the far-end equipment

 

 

is in the red alarm condition.

LED 4

Green

The green LED is lit when the condition is normal

 

 

operation.

Single V.35/X.21 WAN interface card LEDs

Figure 13 shows the LEDs on the single V.35/X.21 WAN interface card.

Figure 13 LEDs on the single V.35/X.21 WAN interface card

LED 1, Red

LED 2, Green

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LED 4, Green LED 3, Green

CS160011A

Table 10 describes the LEDs on the single V.35/X.21 WAN interface card.

Table 10 LED indicators on the single V.35/X.21 WAN interface card

LED

Indicator

Description

 

 

 

LED 1

Red

No external transmit clock source is available.

 

 

 

LED 2

Green

The signals CDC and DSR are on between the DSU

 

 

and the adapter. LED 2 detects receive link status.

Nortel VPN Router Installation — VPN Router 1010/1050/1100

Page 33
Image 33
Nortel Networks 1050 Single V.35/X.21 WAN interface card LEDs, LED indicators on the T1/E1 CSU/DSU WAN interface card

1010, 1050, 1100 specifications

Nortel Networks 1100 series is a suite of innovative communication solutions designed to enhance voice and data capabilities for businesses of all sizes. Originally launched as part of Nortel’s extensive portfolio, the 1100 series focuses on delivering advanced technologies that ensure reliable and scalable performance.

One of the most prominent features of the Nortel Networks 1100 series is its robust voice over IP (VoIP) capabilities. This allows businesses to make and receive calls over the internet, significantly reducing traditional telephony costs while enhancing call quality. The series supports multiple codecs, enabling users to choose the most suitable audio quality based on their bandwidth availability.

The Nortel 1100 series also boasts a user-friendly interface, making it accessible for employees at all levels of technical expertise. The phones feature a high-resolution display and programmable soft keys, allowing users to customize their experience and access frequently used features with ease.

Another characteristic presented in the Nortel 1100 series is its support for a wide range of applications, including unified communications. This integration streamlines various communication channels, allowing users to seamlessly switch between voice, video, and instant messaging. Consequently, collaboration is greatly enhanced, improving overall productivity within organizations.

In terms of security, the Nortel 1100 series implements industry-standard protocols to ensure all communications are encrypted and protected from potential threats. This focus on security is crucial in today's digital landscape, where data breaches can have significant ramifications for both businesses and stakeholders.

Moreover, the Nortel 1100 series is designed for scalability. Businesses can start with a few units and easily expand their communication solutions as their operations grow. This flexibility makes it an attractive option for both small businesses and larger enterprises.

Power over Ethernet (PoE) capability is another feature of the Nortel 1100 series, simplifying installation by eliminating the need for separate power cables. This streamlining not only reduces installation costs but also provides a neat and organized workspace.

In summary, the Nortel Networks 1100 series stands out for its blend of VoIP capabilities, user-friendly design, application support, strong security measures, scalability, and PoE functionality. These characteristics make it an appealing choice for companies looking to modernize their communication infrastructure while ensuring reliability and efficiency.