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Cisco ASR 903 Router Hardware Installation Guide
OL-25178-05
Chapter3 Installing the Cisco ASR 903 Router
Connecting the Cisco ASR 903 Router to the Network
ports as described in GR-1089-CORE) and require isolation from the exposed OSP cabling. The
addition of Primary Protectors is not sufficient protection in order to connect these interfaces
metallically to OSP wiring.

Recommended Patch Panel

We recommend the following T1/E1 patch panels:
48-port T1 RJ45 patch panel (part number DCC4884/25T1-S)
16-port E1 BNC patch panel (part number DCC16BNC/25T1-S)
The patch panels are available from Optical Cable Corporation (http://www.occfiber.com). To order a
patch panel, contact the Sales and Marketing Support staff at Optical Cable Corporation:
•800-622-7711 (toll-free in the U.S.A.)
•540-265-0690 (outside the U.S.A.)
Connecting Serial Cables
Figure 3-29 shows the supported serial connectors, and Table 3 -1 and Tabl e 3-2 detail the supporte d
cables with the Cisco ASR 903 Router.
Caution The Cisco ASR 903 Router currently only supports the EIA/TIA-232 connector.