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Cisco ASR 903 Router Hardware Installation Guide
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Chapter3 Installing the Cisco ASR 903 Router
Connecting the Cisco ASR 903 Router to the Network
Figure3-26 CiscoASR 903 Router Flash Token Memory Stick

Removing a USB Flash Device

To remove and then replace a USB flash token memory stick from a CiscoASR 903 Router, follow these
steps:
Step1 Pull the memory stick from the USB port.
Step2 To replace a Cisco USB Flash memory stick, simply insert the module into the USB port labeled MEM
as shown in Figure 3-26 . The Flash memory module can be inserted in only one way, and can be inserted
or removed regardless of whether the router is powered up or not.
Note You can insert or remove the memory stick whether the router is powered on or not.
This completes the USB Flash memory installation procedure.
Connecting Timing Cables
The following sections describe how to connect timing cables to the CiscoASR 903 Router:
Connecting Cables to the BITS Interface, page3-39
Connecting Cables to a GPS Interface, page3-41
Note When installing the cabling to the RSPs, we recommend that you leave a service loop of extra cabling
sufficient to allow for fan tray removal.

Connecting Cables to the BITS Interface

The following steps describe how to connect a cable to the router BITS port:
Step1 Confirm that the router is powered off.
Step2 Connect one end of the cable to the BITS port using a straight-through, shielded RJ48C-to-RJ48C cable.
MEM CONSOLE
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