Cisco ASR 920 series Manual de instalação - Página 33
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Chapter 3
Installing the Cisco ASR 920 Series Router
Figure 3-24
Figure 3-24
Removing a USB Flash Device
To remove and replace a USB flash token memory stick from and into a Cisco ASR 920 Series Router,
follow these steps:
Step 1
Pull the memory stick from the USB port.
Step 2
To replace the Cisco USB Flash memory stick, simply insert the module into the USB port labeled USB
MEM, as shown in
inserted or removed regardless of whether the router is powered up or not.
This completes the USB Flash memory installation procedure.
Connecting Timing Cables
The following sections describe how to connect timing cables to the Cisco ASR 920 Series Router:
•
•
Connecting a Cable to the BITS Interface
The following steps describe how to connect a cable to the router's BITS port:
Confirm that the router is powered off.
Step 1
Connect one end of the cable to the BITS port using a straight-through, shielded RJ48C-to-RJ48C cable.
Step 2
Connect the other end to the BTS patch or demarcation panel at your site.
Step 3
Turn on the power to the router.
Step 4
For information about the BITS port pinouts, see
Warning
To comply with the Telcordia GR-1089 NEBS standard for electromagnetic compatibility and safety,
connect the BITS ports only to intra-building or unexposed wiring or cable. The intrabuilding cable
must be shielded and the shield must be grounded at both ends. The intra-building port(s) of the
equipment or subassembly must not be metallically connected to interfaces that connect to the OSP
or its wiring. These interfaces are designed for use as intra-building interfaces only (Type 2 or Type 4
OL-32751-01
shows the USB port connector on the Cisco ASR 920 Series Router.
Cisco ASR 920 Series Router Flash Token Memory Stick
Figure 3-24
Connecting a Cable to the BITS Interface, page 3-33
Connecting Cables to a GPS Interface, page 3-34
Cisco ASR 920 Series Aggregation Services Router Hardware Installation Guide
Connecting a Cisco ASR 920 Series Router to the Network
. The Flash memory module can be inserted only one way, and can be
Chapter 5, "Troubleshooting."
3-33