Router Memory - Cisco 1721 - VPN Security Router Bundle Hardware Installation Manual

Chapter 1 Cisco 1721 Router Overview
Table 1-4 Front Panel LEDs (continued)
LED Label Color
WIC1
ACT/CH0 Green
ACT/CH1 Green
ETH
ACT Green
COL Yellow

Router Memory

78-13834-02
Description
Serial and DSU/CSU cards—Blinks when data is being sent to or
received from the port on the card in the WIC1 slot.
ISDN cards—On solid when the first ISDN B channel is up for the card
in the WIC1 slot.
2-port serial cards—Blinks when data is being sent to or received from
the first port on the 2-port card in the WIC1 slot.
Serial and DSU/CSU cards—Remains off.
ISDN cards—On solid when the second ISDN B channel is up for the
card in the WIC1 slot.
2-port serial cards—Blinks when data is being sent to or received from
the second port on the 2-port card in the WIC1 slot.
Blinks when there is network activity on the Ethernet port.
Blinks when there are packet collisions on the local Ethernet network.
This section describes the types of memory stored in the router and how to find
out how much of each type of memory is stored in the router.
For instruction on how to upgrade memory in the router, see
"Installing and Upgrading Memory and Virtual Private Network Modules."
Cisco 1721 Router Hardware Installation Guide
Router Memory
Appendix C,
1-7