Appendix A Technical Specifications

Product Architecture

A PFC allows the PEM to accept DC power source voltage from an AC power source operating between 100 to 120 VAC, 15-Amp service in North America; and a range of 185 to 264 VAC, 10-Amp service in an international environment.

Note Attach each DC PDU be connected to an independent power source for full redundancy. Use an uninterruptable power source (UPS) to protect against power failures at your site.

Figure A-7 DC Power PEM and PDU Assembly

1

2

3

INPUT

48/60V

35A

 

INPUT

OUTPUT

OUTPUT

 

OK

 

OK

 

5

 

FAIL

7

 

 

3

6

4

 

 

 

 

1

DC PDU

5

On/Off switch

2

DC PEM

6

PDU captive screws

 

 

 

 

3

PEM captive screws

7

Terminal block

4LEDs

66295

Each DC PDU should be connected to separate DC sources using six threaded terminals. Two terminals for negative (source DC), two terminals for positive (source DC return), and two terminals for ground. The DC power cable leads should be 4 American Wiring Gauge (AWG) high strand count wire. The PEM accepts DC power source voltage from a dedicated 45–Amp service DC power source operating between -48 to -60 VDC nominal input voltage and -40 to -72 VDC steady-state input voltage.

 

Cisco 12404 Internet Router Installation and Configuration Guide

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Cisco Systems Cisco 12404 appendix Dc Pdu, Dc Pem

Cisco 12404 specifications

The Cisco 12404 is a robust router designed for service providers and large enterprises, aiming to deliver high performance, scalability, and flexibility in networking. As part of the Cisco 12000 Series, the 12404 is built to address the demands of high-bandwidth applications and a growing number of users in modern networks.

One of the standout features of the Cisco 12404 is its versatility. The router supports various modules for enhanced functionality, including high-speed interfaces, advanced processing capabilities, and additional memory. This modular design allows organizations to customize their router according to specific networking needs and expand as requirements evolve.

In terms of performance, the Cisco 12404 is equipped with a high-capacity forwarding engine that ensures rapid data transfer and low latency. This capability is crucial for businesses that rely on real-time communication, such as VoIP and video conferencing. The router supports a variety of protocols, including IP, MPLS, and Ethernet, making it adaptable to diverse operational environments.

Scalability is another significant characteristic of the Cisco 12404. It can handle thousands of routes and high volumes of traffic, making it suitable for ISPs managing large subscriber bases. With its support for 10 Gigabit and 100 Gigabit Ethernet interfaces, the router can accommodate increasing data loads without compromising performance.

Advanced features like Quality of Service (QoS) enable network administrators to prioritize traffic based on the type or importance of data. This ensures that critical applications receive the bandwidth they need while less essential services are deprioritized, thus optimizing overall network efficiency.

The Cisco 12404 also integrates advanced security measures to protect sensitive data as it flows through the network. With features like Access Control Lists (ACLs), Virtual Private Network (VPN) support, and encryption capabilities, organizations can safeguard their information against potential threats.

In conclusion, the Cisco 12404 presents a compelling solution for organizations seeking a high-performance router with scalability and versatility. By combining advanced routing technologies, modular design, and robust security features, it stands out as a reliable choice for enterprises and service providers looking to optimize their core networking infrastructure.