EXPRESS DAS
Installation and Operations Manual
EXPRESS DAS Installation and Operations Manual – Version 2.2 November 2013
103
Also, before you begin, review this list of the most common problem areas that can affect the
commissioning process.
For fiber optic cables, use single mode fiber according to these specifications:
•
5dBo link budget from ODU to OEU, from OEU to MRU, and from ODU to MRU
•
Maximum back reflection is -55dB
•
Recommended maximum fiber length is 10km
•
SC-APC Connectors
Common cabling problems include:
•
Crossing Rx/Tx
•
Incorrect or improperly fitted connectors
•
System balancing and attenuation settings
12.2
Connect DMS-‐600 to EXPRESS DAS
1- Make sure the DMS-600 is properly connected to the BIU. (See page 75.)
2- Make sure all components in the DAS are powered on.
3
- Connect a PC or laptop to the CONSOLE port on the back of the DMS-600 unit using the supplied
CAT5 cable.
Figure 12.1 – Connecting Laptop to DMS-600
NOTE
: The max fiber length is ultimately based on the optical link budget.
Содержание EXPRESS Single-Carrier DAS
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