To select which channel (the I-1 Channel or the I-2 Channel) the Analog (T/R) Adjunct will use

1.

While on-hook, press

Shift

 

 

The light next to

 

 

 

 

 

Shift

2.

Press

 

.

 

 

Mute

 

 

 

 

The light next to

 

 

 

 

 

Shift

.

goes on.

goes off.

3.Enter the 2-digit code, “42” (“IC”).

The red light next to Shift flutters.

The current setting (either T/R ON I1 CHANNEL or T/R ON I2 CHANNEL) is shown on the display, if there is one.

4.Press either “1” or “2” to change the setting:

Press “1” to select the I-1 Channel for Analog Adjunct transmission

Press “2” to select the I-2 Channel for Analog Adjunct transmission

or if the voice terminal has a display, press * to change the setting. Press

#to save the desired option and then exit programming.

After pressing “1” or “2” or pressing # , the light next to Shift goes off and one of the following voice terminal responses occurs:

If the voice terminal saves your selection, the first three green call appearance lights go on and, if you have a display, a confirmation message is displayed.

If the voice terminal cannot save this selection, the first three red call appearance lights go on and, if you have a display, an error message is displayed. In this case, the selected option will be in effect until power is removed from the set. If this happens, try repeating the process. If the option still cannot be saved, the terminal may be faulty.

Enabling/Disabling the Status Lights for the Analog (Tip/Ring) Adjunct Interface (For the 8411 Only)

If an Analog Adjunct has been connected to the Analog Adjunct jack on the rear of the 8411 voice terminal, the user can use the lights next to Button #10 (the last button in the second column) to see the status of the Analog Adjunct connection. These indications show:

Status of the ringing signal being sent from the voice terminal to the Analog Adjunct) (on OR off)

Switchhook status of the Analog Adjunct (off-hook OR on-hook and idle)

Status of the I-Channel (used by the Analog Adjunct OR by the 8411 voice terminal)

20

Page 27
Image 27
Lucent Technologies 8434DX, 8403, 8411, 8410, 8405 user manual While on-hook, press

8410, 8434DX, 8411, 8403, 8405 specifications

Lucent Technologies 8403 is a significant telecommunications switch that was primarily utilized in the late 1990s and early 2000s. It played a crucial role in the evolution of telecommunication systems, reflecting the rapid advancements in technology during that period. The 8403, part of the Lucent 8400 series, was known for integrating various features and capabilities that were vital for modern telecommunication networks.

One of the standout features of the Lucent 8403 was its advanced switching technology. Utilizing time division switching and digital signal processing, the device was capable of handling a large volume of calls simultaneously while maintaining high-quality voice transmission. This technology enabled efficient routing of calls and minimized the risk of dropped connections, which was a concern in earlier analog systems.

Another significant characteristic of the Lucent 8403 was its support for a wide range of telecommunications protocols. The switch was designed to facilitate both traditional telephone services and emerging digital services, including ISDN and Frame Relay. By accommodating both circuit-switched and packet-switched networks, the 8403 provided flexibility that major telecommunication providers demanded during that transition period.

The 8403 also featured enhanced signaling options, such as Common Channel Signaling System No. 7 (CCSS7), which allowed for improved call setup, control, and management. This feature significantly reduced the time it took to establish a call, thereby improving overall network efficiency.

Scalability was another key characteristic of the Lucent 8403. As telecommunication needs grew, service providers could expand their systems by integrating additional hardware and modules without requiring a complete overhaul of the existing infrastructure. This adaptability was crucial as demand for services fluctuated and as new technologies emerged.

Moreover, the switch was designed with reliability and redundancy features in mind. Its architecture included failover mechanisms that ensured continued operation even in the event of hardware failures. This reliability was essential for operators that required uninterrupted service delivery.

Lastly, the user-friendly interface of the Lucent 8403 provided simplified management and monitoring capabilities. System administrators could easily access performance metrics, troubleshoot issues, and manage configurations, facilitating more efficient maintenance and operations.

In conclusion, the Lucent Technologies 8403 played a transformative role in telecommunications infrastructure during its era. Its blend of advanced switching technology, protocol support, scalability, reliability, and user-friendly management tools made it a foundational component in the evolution of modern telecom networks. As a result, it served as a significant stepping stone toward the complex, integrated systems we see today.