Router User Manual
Table Of Contents
- Title Page
- Contents
- About This Document
- Overview
- Power Supply
- Heat Dissipation System
- Boards
- 4 Boards
- 4.1 Introduction
- 4.2 RPUs
- 4.3 NPUs
- 4.4 10/100Base-TX electrical interface module
- 4.5 100Base-FX Ethernet optical interface module
- 4.6 1000Base-X Ethernet optical interface module
- 4.7 Channelized and unchannelized E1/T1 interface module
- 4.8 Channelized E3 interface modules
- 4.9 Synchronous serial port module
- 4.10 Channelized and unchannelized POS optical interface modules
- 4.11 HSSI interface module
- 4.12 IPSec encryption HIC module
- 4 Boards
- Cables
- Appendix A List of Indicators
- Appendix B List of Boards
- B List of boards
- B.1 Boards
- B.2 RPU
- B.3 10/100Base-TX FE electrical interface module
- B.4 100Base-FX Ethernet optical interface module
- B.5 1000Base-X Ethernet optical interface module
- B.6 Channelized and unchannelized E1/T1 interface module
- B.7 Channelized E3 interface modules
- B.8 Synchronous serial port module
- B.9 ATM 155M optical interface module
- B.10 Channelized and unchannelized POS optical interface module
- B.11 HSSI interface module
- B.12 IPSec encryption HIC
- B List of boards
- Appendix C Acronyms and abbreviations
- Index
- Cover & Spine

3 Heat dissipation system
Nortel Secure Router 8012
Hardware Description
3-4 Nortel Networks Inc. Issue 5.3 (6 April 2009)
The heat dissipation system of the Secure Router 8012 ventilates the Secure Router 8012.
From the top, the air flow enters the Secure Router 8012 from the left and exits from the right.
Figure 3-3 shows the air flow inside the Secure Router 8012.
Figure 3-3 Air flow inside the Secure Router 8012
Fan module frame
3.3 Technical specifications
Table 3-2 shows the technical specifications of the fan module.
Table 3-2 Technical specifications of the fan module
Item Specifications
Dimensions 259.45 mm (H) x 47.70 mm (W) x 462.65 mm (D)
Power consumption 38.4 W
Maximum blast pressure 75 Pa
Maximum blast volume 921.6 m
3
/h
Maximum noise 60 dB
Maximum rev 3800 RPM
Operating voltage range 7.0 V to 13.8 V DC
Operating voltage 12 V DC










