Cisco 7120 Series User Manual page 24

Field-Replaceable Units
The Cisco 7100 series VPN routers do not support an ISM and an ISA in the same chassis.
Note
The boot LED remains lit when the ISA/ISM is configured for MPPE, and it starts to pulsate after
booting when the ISA/ISM is configured for IPSec. The ISA/ISM functions normally whether the boot
LED is pulsating or is solid. See the
Installation and Configuration
Caution To ensure compliance with U.S. export laws and regulations, and to prevent problems later on, refer to
the "Compliance with U.S. Export Laws and Regulations Regarding Encryption" section in the
Regulatory Compliance and Safety Information for the Cisco 7100 Series VPN Routers
specific and important information.
ISM
The Integrated Service Module (ISM) is a service module that resides in slot 5 in Cisco 7100 series VPN
routers. The ISM has three LEDs, as shown in
the LEDs.
Figure 1-27 ISM LEDs
The physical orientation of the ISM LEDs is reversed from that of the ISA (see
Note
Table 1-9
LED Label
EN
BOOT
ERROR
1. After successfully booting, the boot LED pulses in a "heartbeat" pattern to indicate that the ISM is operating. As
The following conditions must all be met before the enabled LED goes on:
•
Cisco 7100 Series VPN Router Installation and Configuration Guide
1-24
ISM LEDs
Color
Green
Amber
Amber
crypto traffic increases, the nominal level of this LED increases in proportion to the traffic level.
The ISM is correctly connected to the backplane and receiving power.
Integrated Service Adapter and Integrated Service Module
for more information on configuring the ISA/ISM.
Figure 1-27.
SM-ISM
State Function
On Indicates the ISM is powered up and enabled for
operation.
1
Pulses Indicates the ISM is operating.
On Indicates the ISM is booting or a packet is being
encrypted or decrypted.
On Indicates an encryption error has occurred. This
LED is normally off.
Chapter 1
Table 1-9 lists the colors and functions of
BOOT
RESET ERROR
EN
Figure
Overview
document for
1-27).
78-6341-03