PTT/Telco Connectors and Cabling

Figure C-7 RJ45 Connector Pins

The RJ45 connector on a SmartSwitch 1800 is mainly used for E&M operation. An RJ45 cable is included with each SmartSwitch 1800. The cable end with the connector plugs into the SmartSwitch, and the end with bare wire connects to a telco/PTT type punch block. The cable is color-coded as described in the following table.

Table C-1 RJ45 Cable Connections

Pin	Color	Usage	Description


1	Gr ay	SB	Return for M Signal

2	Or ange	M	Control Signal from PBX

3	Black	TR	Voice from PBX (Transmit Ring)

4	Red	RR	Voice to PBX (Receive Ring) two-wire connection

5	Gr een	RT	Voice to PBX (Receive Tip) two-wire connection

6	Yellow	TT	Voice from PBX (Transmit Tip)

7	Blue	E	Control Signal to PBX

8	Brown	SG	Return for E Signal

The RJ45 cable can also be used to provide the two-wire connection. For these appli- cations, only the red and green wires (pins 4 and 5) are active; the other wires should be insulated with electrical tape to prevent unwanted connections.

C-12	SmartSwitch 1800 4. 0 User Guide, Rev 01

1800 specifications

Cabletron Systems, a leading player in network management and telecommunications solutions during the late 20th century, introduced several innovative products that played a crucial role in shaping enterprise networking. Among these were the Cabletron FRX6000, FRX4000, and the FRX1800, which delivered advanced features aimed at enhancing network performance, security, and scalability.

The Cabletron FRX6000 was designed as a robust multi-layer switch, ideal for large-scale enterprise environments. It supported extensive routing capabilities, allowing organizations to manage traffic efficiently even under heavy loads. The FRX6000 boasted high throughput rates and low latency, making it suitable for demanding applications. With support for various network protocols, including IP, IPX, and AppleTalk, its adaptability made it a versatile choice for diverse networking needs. Moreover, security features like VLAN support and Access Control Lists (ACLs) provided enhanced protection against potential threats.

Moving to the FRX4000, this model offered a balance between performance and cost-effectiveness. The FRX4000 maintained many of the essential features of its larger counterpart while catering to medium-sized enterprises. It provided Layer 3 routing and could handle multiple simultaneous connections, ensuring seamless communication across departments. The modular design allowed for easy upgrades, enabling businesses to expand their network infrastructure without significant overhauls. This made the FRX4000 an attractive option for organizations looking to optimize their network investments.

Lastly, the FRX1800, designed for small to medium businesses, focused on simplicity and ease of use while still incorporating powerful network management capabilities. Its user-friendly interface made it accessible for organizations lacking extensive IT resources. The FRX1800 provided essential functionalities such as Integrated Layer 2 switching and routing, network monitoring, and basic security features, ensuring that even smaller companies could maintain efficient, reliable networking without overwhelming complexity.

All three models utilized advanced technologies, including a high bandwidth backbone and state-of-the-art switching architecture, to enable fast and reliable data transfer. They also supported Quality of Service (QoS) mechanisms, allowing businesses to prioritize critical applications and ensure consistent performance across the network.

In summary, the Cabletron FRX6000, FRX4000, and FRX1800 were pivotal in enhancing network capabilities, providing organizations with scalable, secure, and high-performance options tailored to their specific needs.

Cabletron Systems 1800 manual PTT/Telco Connectors and Cabling, Table C-1 RJ45 Cable Connections

Models: 1800