Chapter 2 Setting Up Your Cisco Unified Videoconferencing 3500 Gateway

Physical Description

Table 2-1

Front Panel Components

 

 

 

Component

 

Description

 

 

10/100 BaseT connector

An RJ-45 connector that provides the primary Ethernet connection for the IP

 

 

network port.

 

 

SERIAL connector

A DB-9 connector that allows you to connect a PC terminal for local

 

 

configuration.

 

 

 

RST button

 

Allows you to reset the Cisco Unified Videoconferencing 3500 Gateway unit

 

 

manually.

 

 

 

GK Reg LED

 

Lights green when the Cisco Unified Videoconferencing 3500 Gateway unit

 

 

is registered with a gatekeeper.

 

 

 

CD LED

 

Lights green when a PRI or BRI line is enabled and a carrier signal is

 

 

detected

 

 

 

ACT LED

 

Lights green to indicate that there are active calls in the Cisco Unified

 

 

Videoconferencing 3500 Gateway unit.

 

 

 

ALARM LED

 

Lights green to indicate that an error has occurred and the Cisco Unified

 

 

Videoconferencing 3500 Gateway unit requires resetting.

 

 

10/100 BaseT LEDs

The top part of the 10/100 BaseT connector contains two LED indicators.

 

 

The left-hand LED lights green when the local IP network link is active. The

 

 

right-hand LED lights green if the connection speed is 100 Mbps, and is off

 

 

when the connection speed is 10 Mbps.

 

 

 

Cisco Unified Videoconferencing 3527 PRI Gateway Rear Panel

Figure 2-2shows the rear panel components of the Cisco Unified Videoconferencing 3527 PRI Gateway unit. Table 2-2describes these components.

Figure 2-2 Cisco Unified Videoconferencing 3527 PRI Gateway: Rear Panel

ACT

ACT

D-Ch

D-Ch

ALARM

ALARM

PORT-2

PORT-1

Table 2-2 Cisco Unified Videoconferencing 3527 PRI Gateway Rear Panel Components

157266

Component

Description

 

 

ACT LED

Lights green to indicate that there are active calls in the gateway.

 

 

D-Ch LED

Lights green to indicate that the PRI line is enabled and a carrier signal is

 

detected.

 

 

Installation and Upgrade Guide for Cisco Unified Videoconferencing 3522 BRI Gateway and 3527 PRI Gateway Release 5.5

2-2

OL-14910-01

 

 

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Cisco Systems manual Cisco Unified Videoconferencing 3527 PRI Gateway Rear Panel, Component Description, Cd Led, Act Led

3527 PRI, 3522 BRI specifications

Cisco Systems has long been a leader in networking and telecommunications equipment, and its BRI (Basic Rate Interface) and PRI (Primary Rate Interface) products are essential components in enabling businesses to manage voice and data communications efficiently. Notable models such as the Cisco 3522 BRI and 3527 PRI have earned recognition for their robust performance and versatile features.

The Cisco 3522 BRI is designed to deliver high-quality voice and data services over ISDN (Integrated Services Digital Network) connections. With two B channels for voice or data transmission, each supporting up to 64 Kbps, this device is ideal for small to medium-sized businesses that require reliable communication solutions while maintaining cost-effectiveness. The Cisco 3522 BRI supports multiple protocols, making it a flexible choice to adapt to various network environments.

On the other hand, the Cisco 3527 PRI supports up to 30 B channels, thereby significantly increasing the capacity for voice calls and data transfer. This scalability makes the 3527 PRI suitable for larger organizations that demand higher throughput and call handling capability. It operates over T1 and E1 lines, allowing businesses to leverage existing infrastructure while improving operational efficiencies. Additionally, the 3527's advanced features, such as call processing and load balancing, contribute to a seamless communication experience.

Both devices support a range of technologies that enhance functionality and performance. They are equipped with Call Admission Control (CAC) to optimize bandwidth use and reduce congestion during peak traffic. Cisco's VoIP technology, including features such as voice provisioning, fax over IP, and QoS (Quality of Service) mechanisms, ensures voice clarity and reliability.

Security is paramount, and both the 3522 and 3527 incorporate various protocols such as SRTP (Secure Real-Time Transport Protocol) to protect voice communications against unauthorized access. Furthermore, integration with Cisco's unified communications offerings allows for a more cohesive communication strategy, ensuring that users can take advantage of collaboration tools and data services.

In conclusion, the Cisco 3522 BRI and 3527 PRI models stand out with their impressive feature sets and technologies, making them an excellent investment for businesses needing reliable, scalable, and secure voice and data communication solutions. Choosing Cisco means embracing a future-proof solution that can grow with your organization's communication needs.