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Cisco CRS-1 Carrier Routing System SIP and SPA Hardware Installation Guide
OL-7113-05
Chapter 6 Installing and Removing a SPA
Online Insertion and Removal
Step 3 After the SPA is properly seated, fasten the SPA in place with the captive screws, as shown in Figure 6-3
or Figure 6-5.
Removing a SPA from a SIP
Caution The system can indicate a hardware failure if you do not follow proper procedures or you remove a SPA
while the software configuration is being applied. After installing a SPA, wait at least 30 seconds before
attempting to remove it. After you remove a SPA, wait at least 15 seconds before installing another SPA
in the same subslot.
To remove a SPA from a SIP, see Figure 6-2 or Figure 6-4 and follow these steps:
Step 1 If attached, remove any cables from the SPA.
Step 2 To remove the SPA from the SIP, unfasten the captive screws on the SPA, as shown in Figure 6-3 or
Figure 6-5.
Step 3 Grasp the handles of the SPA and pull the SPA from the SIP.
Online Insertion and Removal
Cisco CRS-1 router SIPs and SPAs support online insertion and removal (OIR). SPAs can be inserted or
removed independently from the SIP. Online insertion and removal of a SIP with installed SPAs is also
supported.
Optical Device Installation and Maintenance
This section provides references for the installation, removal, and cleaning of optical devices.
Installing and Removing Small Form-Factor Pluggable Modules
For information on installing small form-factor pluggable (SFP) modules, see Gigabit Interface
Converter (GBIC) Module and Small Form-Factor Pluggable (SFP) GBIC Module Installation
Information and Specifications. The following sections of that document are particularly useful when
installing an SFP module:
• “Installing and Removing the GBIC Module or SFP Module”
• “Installing an SFP Module”
• “Installing the GBIC Module or SFP Module Interface Cables”
SPAs accept only supported optical devices. The list of supported optical devices can be found in the
“Modular Optics Compatibility” section in the product overview chapter in this guide.