Installation and Setup, To install FOM-E1/T1

Chapter 2 Installation and Setup		FOM-E1/T1Installation and Operation Manual

2.3 Installation and Setup

FOM-E1/T1 is a standalone device intended for tabletop or bench installation. It is delivered completely assembled. No provision is made for bolting the unit on the tabletop.

To install FOM-E1/T1:

1.Determine the required configuration of FOM-E1/T1 and set the internal jumpers accordingly (see Configuring FOM-E1/T1below).

2.Connect the line (see Connecting the Fiber Optic Interface below).

3.Connect the DTE (see Connecting the E1/T1 Interface below).

4.Connect power to the unit (see Connecting the Power below).

Access to the inside of the equipment is permitted only to authorized and qualified service personnel.

To avoid accidental electric shock, always disconnect the interface cables and

the power cord before removing the unit from its casing.

Warning Line voltages are present inside FOM-E1/T1 when it is connected to power and/or to the lines. Moreover, under external fault conditions dangerous voltages may appear on the lines connected to the unit.

Caution

Any adjustment, maintenance, and repair of the opened instrument under voltage should be avoided as much as possible and, when inevitable, should be carried out only by a skilled technician who is aware of the hazard involved. Capacitors inside the instrument may remain charged even after the instrument has been connected from its power supply source.

FOM-E1/T1 contains components sensitive to electrostatic discharge (ESD). To prevent ESD damage, avoid touching the internal components. Before moving jumpers, touch the FOM-E1/T1 frame.

Configuring FOM-E1/T1

This section describes how to configure FOM-E1/T1 for a typical application. Figure 2-1illustrates the layout of the FOM-E1/T1 printed-circuit board. Table 2-1provides details on the functions of the internal jumpers and switches, and their default settings.

To configure FOM-E1/T1:

1.Disconnect all the cables connected to FOM-E1/T1.

2.Release the two rear panel screws and use them as levers to slide out the PCB interior of the unit.

3.Select the E1/T1 electrical interface: E1 balanced, E1 unbalanced or T1 balanced by setting the JP2, JP4, JP5, JP6, JP7 and JP8 jumpers to appropriate position.

4.If using E1 unbalanced interface, connect the BNC shield to the chassis ground by setting the SW1 and SW2 switches to the CONNECTED position.

If you are using balanced E1/T1 connection, set the SW1 and SW2 switches to the FLOATING position.

2-2	Installation and Setup

T1, E1 specifications

RAD Data Communication specializes in providing advanced networking solutions, particularly for E1 and T1 lines. These digital transmission systems are pivotal in telecommunications, allowing for efficient data transfer, voice communication, and multimedia services.

E1 and T1 lines are standardized digital circuits offering capacity for multiple channels. A T1 line, commonly used in North America, accommodates data transmission at a rate of 1.544 Mbps, while an E1 line, predominantly used in Europe and other parts of the world, supports a rate of 2.048 Mbps. Each line can carry multiple voice channels—up to 24 for T1 and 32 for E1—making them suitable for both voice and data services.

One of the main features of RAD's E1 and T1 solutions is their versatility. These lines can be utilized in various applications, including traditional telephony, private branch exchanges (PBXs), and modern Voice over IP (VoIP) networks. RAD's solutions enable users to seamlessly migrate from older systems to more integrated and efficient digital networks without sacrificing performance.

RAD Data Communication focuses on ensuring reliability and robustness in their E1 and T1 offerings. With built-in error detection mechanisms, such as cyclic redundancy check (CRC), these systems maintain high levels of data integrity. In addition, RAD’s devices often incorporate advanced features like Adaptive Rate Control, allowing for dynamic adjustments to accommodate varying network conditions.

Technology-wise, RAD integrates advanced protocols and features, such as Frame Relay and Multiprotocol Label Switching (MPLS), into their E1 and T1 equipment. This flexibility supports the transmission of diverse data types, ensuring users can transition smoothly between legacy systems and modern technologies.

Another characteristic that sets RAD's products apart is their management capabilities. Many devices come equipped with SNMP (Simple Network Management Protocol) support, enabling remote monitoring and management. This feature is essential for network administrators seeking to maintain optimal performance and quickly address potential issues.

Moreover, RAD's E1 and T1 solutions are designed for easy integration into existing network infrastructures. Their compact and modular design allows for straightforward installation and scalability, accommodating future growth and technology advancements without major overhauls.

In summary, RAD Data Communication’s E1 and T1 solutions are characterized by their reliability, versatility, and advanced management features. Designed to meet the evolving needs of communication networks, they ensure that users can take full advantage of both traditional and modern telecommunications technologies.