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42
Installing and Upgrading Internal Modules in Cisco 2800 Series Routers
OL-5792-04
Replacing the Power Supply
Removing the Existing Power Supply
To remove the power supply from a Cisco 2821 or a Cisco 2851 router, perform the following steps:
Step 1 Remove the bezel from the front of the router, as follows:
a. Make sure that the Compact Flash Ejector pin is in a position flush to the bezel. There is an
upward-facing arrow located at the top and center of the front bezel. Grasp the bezel at the location
of the arrow. See Figure 41.
Figure 41 Where to Hold Front Bezel to Remove It on Cisco 2821 and Cisco 2851 Routers
.
b. Pull the top of the bezel 1/8 to 1/4 inch (3 to 8 mm) away from the chassis at the center. See
Figure 42.
c. While you hold the bezel away from the chassis, slide the bezel toward the input-power side until it
comes free (about 1/2 inch [12 mm]).
121069
Do Not Remove During Network Operation
COMPACT FLASH
0
1
OPTIONAL RPS INPUT
SYS
PWR
AUX/
PWR
SYS
ACT CF
12V 18A
-48V 8A
CONSOLE
AUX
100-240V~ 8A
50/60 Hz
Do Not Remove During Network Operation
COMPACT FLASH
SYS
PWR
AUX/
PWR
SYS
ACT CF
0
1
1
- Introduction and Warnings 1
- Audience 2
- Conventions 3
- Safety Warnings 4
- Avvertenza 5
- Advarsel 5
- ¡Advertencia! 5
- Varning! 6
- Safety Warnings 8
- Related Documentation 9
- OL-5808-01 10
- Obtaining Documentation 11
- Documentation Feedback 12
- Submitting a Service Request 13
- Hardware Features 18
- OL-5783-01 19
- Hardware Features 19
- Built-in Interfaces 20
- LED Indicators 23
- Chassis Views 26
- 7 9 11 12 13 14 14 27
- Cisco 2811 Chassis 28
- Chassis Views 29
- 1457 6 3 30
- 6 4 3 75 31
- Interface Numbering 32
- Specifications 34
- Specifications 35
- Regulatory Compliance 41
- Regulatory Compliance 42
- Safety with Electricity 44
- General Site Requirements 45
- Site Environment 46
- Site Configuration 47
- Equipment Racks 47
- Installation Checklist 48
- Creating a Site Log 49
- Inspecting the Router 49
- OL-5784-01 51
- Console Port Connections 53
- Auxiliary Port Connections 54
- Ethernet Connections 55
- Serial Connections 55
- Signaling Standards Supported 56
- Distance Limitations 56
- ISDN BRI Connections 57
- CSU/DSU Connections 58
- Series Routers 59
- For HWICs and VICs: 60
- For AIMs 62
- For PVDMs 62
- For Internal Power Supplies 62
- Setting Up the Chassis 63
- OL-5786-03 64
- Setting Up the Chassis 64
- Use four screws on each side 65
- Chassis Grounding 68
- Statement 248 69
- Ring terminal 72
- Ground lug 72
- Routers” online document 73
- Power Connections 76
- DC Wiring Requirements 77
- Wiring Procedure for DC Input 78
- Statement 117 79
- 2800 Routers 80
- OL-5787-02 81
- Power Connections 81
- Ports and Cabling 84
- Checklist for Power Up 89
- Power Up Procedure 90
- Configuring the Router 92
- Completing the Configuration 97
- OL-5788-01 98
- Configuring the Router 98
- Normal Indications 100
- Fault Indications 100
- OL-5789-01 101
- Solving Problems 101
- Reading System LEDs 102
- • Router fault 103
- Reading Port and Module LEDs 104
- System Messages 105
- Recovering a Lost Password 109
- Corporate Headquarters: 113
- OL-5790-01 114
- 1 Filler panel 117
- 1 Slot divider 3 Filler panel 117
- 2 Blank panel 117
- Related Product Documentation 119
- OL-5791-01 122
- Slot divider flush 125
- Figure 7 Typical Blank Panel 126
- Cisco 2800 Series Routers 129
- Removing the Chassis Cover 130
- OL-5792-04 131
- Removing the Chassis Cover 131
- Statement 1003 132
- Statement 1041 132
- Screwdriver must not 133
- Plastic bezel 134
- Approx. 1 inch 134
- Locating Modules 137
- 3 PVDMs 7 Fans 138
- 4 Power supply 138
- 2 DRAM DIMMs 5 Fans 139
- Removing a DRAM DIMM 141
- Installing and Removing AIMs 144
- Software Requirement for AIMs 145
- AIM Location 145
- Removing an AIM 145
- Accessory Kit to Use 146
- Installation Procedure 146
- Metal standoffs 147
- Locking end 148
- Applying the AIM Label 154
- Verifying AIM Installation 155
- Installing and Removing PVDMs 156
- PVDM Location and Orientation 157
- Removing a PVDM 157
- Installing a PVDM 158
- Replacing the Power Supply 159
- Replacing the Power Supply 160
- 1 Power supply 3 Ribbon Cable 163
- 2 Retention screw location 163
- Cover” section on page 51 165
- Installing an ILP Supply 168
- Power supply 172
- 1 Primary power connector 173
- Installing the Chassis Cover 179
- OL-5793-01 184
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