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Hot-Swapping Hardware Components

109352-E Rev. A 5-25

Figure 5-12. Double-Fan Tray in the BLN-2

Remove a single-fan tray from the rear of the BLN-2 as follows (Figure 5-13):

1. Remove the screw that fastens the fan tray to the chassis.

2. Grasp the bottom of the fan tray and pull it out of the BLN-2.

Caution: Electrostatic discharge can damage hardware. Use the antistatic

wrist strap when handling any hardware platform components.

POWER

RUN

BOOT

DIAG

B A C K B O N E N O D E

RESET

Fan Screw

BLN-2 Fan Unit

1 2 ... 116 117 118 119 120 121 122 123 124 125 126 ... 143 144

Installing and Maintaining 1
BN Platforms 1
USA Requirements Only 3
Bay Networks, Inc 4
Canada Requirements Only 5
T1 Service 8
Bay Networks Software License 9
(continued) 10
Contents 11
About This Guide 19
<ip_address> 20
Acronyms 21
World Wide Web 25
Customer Service FTP 25
Support Source CD 26
CompuServe 26
InfoFACTS 27
How to Get Help 27
Chapter 1 29
Backbone Link Node Overview 30
Preparing for Installation 31
Additional Equipment 32
Site Requirements 33
1-6 109352-E Rev. A 34
Table 1-4. BLN Dimensions 34
Attaching Angle Brackets 35
Installing the BLN 37
109352-E Rev. A 1-11 39
Powering On the BLN 40
LED Activation Sequence 41
Local Connection 42
Remote Connection 43
(continued) 44
Chapter 2 45
Backbone Link Node-2 Overview 46
2-6 109352-E Rev. A 50
Table 2-4. BLN-2 Dimensions 50
1.750" 53
1.4" 53
2-10 109352-E Rev. A 54
Installing the BLN-2 55
Powering On the BLN-2 57
Chapter 3 63
3-2 109352-E Rev. A 64
Shipment Contents 66
3-6 109352-E Rev. A 68
109352-E Rev. A 3-9 71
109352-E Rev. A 3-11 73
Installing the BCN 74
109352-E Rev. A 3-15 77
Source B power cord 78
109352-E Rev. A 3-19 81
Chapter 4 85
Accessing the Interior 85
4-4 109352-E Rev. A 88
Pull Top 88
109352-E Rev. A 4-5 89
4-6 109352-E Rev. A 90
109352-E Rev. A 4-7 91
4-8 109352-E Rev. A 92
Board Retainer Bracket 93
(1 Screw) 93
Air Flow 93
BACKBONE NODE 94
Chapter 5 97
5-2 109352-E Rev. A 98
109352-E Rev. A 5-3 99
109352-E Rev. A 100
Protecting Memory Card Files 101
Protected 102
Unprotected 102
109352-E Rev. A 5-7 103
5-8 109352-E Rev. A 104
109352-E Rev. A 5-9 105
5-10 109352-E Rev. A 106
109352-E Rev. A 5-11 107
5-12 109352-E Rev. A 108
109352-E Rev. A 5-13 109
5-14 109352-E Rev. A 110
B A C K B O N E N O D E 111
Power Switch 112
109352-E Rev. A 5-17 113
Replacing a Power Module 114
109352-E Rev. A 5-19 115
5-20 109352-E Rev. A 116
109352-E Rev. A 5-21 117
109352-E Rev. A 5-23 119
5-24 109352-E Rev. A 120
1. Remove the front bezel 120
109352-E Rev. A 5-25 121
5-28 109352-E Rev. A 124
Chapter 6 125
Switches and LEDs 125
Reset Switch 126
Front-Panel LEDs 126
620-Watt Power Module LED 127
Power OK 128
Appendix A 129
Dial-Up Services Modems 129
Adtran DSU III AR 130
Codex 3260 131
Codex 3261 Fast 132
Multi-Tech Multi-Modem 133
NEC N6450 Data Service Unit 134
NEC N963E Plus (RS232) 135
Telebit T3000 136
Telebit T3000 (continued) 137
- Tested with V.25bis only 138
109352-E Rev. A Index-1 139
109352-E Rev. A Index-3 141
109352-E Rev. A Index-5 143

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