Locate Nebs Module; Locate Internal And External Slots For Modules On Cisco 4451 Isr - Cisco 4000 Series Hardware Installation Manual

Locate Internal and External Slots

Locate NEBS Module

We recommend that you change the air filter every 3 months. However, examine the air filter once a
Note
month (or more often in dusty environments) and replace it if it appears to be excessively dirty or
damaged. To comply with Telecordia GR-63-Core standard air filter requirements for NEBS
deployment, the air filter must be replaced, not cleaned.
Figure 5-3
Figure 5-3
1
3
5

Locate Internal and External Slots for Modules on Cisco 4451 ISR

Figure 5-4
include DIMMs, PVDM4, and PoE daughter card.
that includes the Integrated Services Card (ISC) slot.
Hardware Installation Guide for Cisco 4000 Series Integrated Services Routers
5-8
shows the NEBS module on Cisco 4461 ISR.
NEBS Module Locations in Cisco 4461 ISR
SM blank slot for NEBS
PoE blank slot for NEBS. PoE is not allowed
for NEBS.
Air filter for NEBS
shows the locations of internal modules on Cisco 4451 ISR motherboard. Internal modules
Chapter 5 Install and Upgrade Internal Modules and FRUs
2 Power supply unit with reverse flow
4
NEBS fan tray with reverse flow
Figure 5-27 shows the location of the available slots
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