15
Overview of Cisco 2800 Series Routers
OL-5783-01
Chassis Views
Figure15 Front Panel of Cisco 2821 and Cisco 2851 Routers with DC Input Power
Figure16 Rear Panel of the Cisco 2821 Router
1Input power connection 5External CompactFlash memory card slot2On/Standby switch1
1. This switch does not turn off the power supply completely, but rather puts it in standby mode.
6LED indicators3Console and auxiliary ports 7Cisco redundant power supply connector (covered if not used)4Universal serial bus (USB) ports1Gigabit Ethernet port 0/0 6High-speed WAN interface card slot 32Gigabit Ethernet port 0/1 7Extension voice module (EVM) slot3High-speed WAN interface card slot 0 8Network module enhanced (NME) slot1
1. The network module slot is compatible with Cisco network modules of type NM (network module), NME (network module enhanced), and NME-X
(enhanced extended).
4High-speed WAN interface card slot 1 9Screw holes for ground lug5High-speed WAN interface card slot 2
95555
Do Not Remove During Network Operation
COMPACT FLASH 0
__++AB
1
OPTIONAL RPS INPUT
SYS
PWR
AUX/
PWR
SYS
ACT CF
12V 18A

457 6 3

CONSOLE
AUX
24-60V 12A

12

95572

12 6 4 3 75

9

A= ACT
GE 0/1
PVDM2PVDM1 PVDM0 AIM1 AIM0
GE 0/0
S= SPEED
A= FDX
A= LINK
A
F
S
L
A
F
S
LEVM 2 ONLY
1

8