EXPRESS DAS
Installation and Operations Manual
78
EXPRESS DAS Installation and Operations Manual – Version 2.2 November 2013
If you connect the power system to the OEU with the incorrect polarity (reversing the "+"
terminal and the "–" terminal connections), the unit will not operate.
4- After connecting the power supply unit to the OEU, power it on using the ON/OFF switch found on the
rear panel. Check the LED indicators on the front panel. A green LED indicates the unit is receiving power.
9.3.1
OEU Power Consumption
The OEU can be equipped with a maximum of two DOUs. Depending on the quantity of DOUs, power
consumption will vary as shown in the following table. A fully loaded unit uses 40 Watts.
Unit Name
Manufacturer Product No.
Power Consumption (W)
Optical Expansion Unit Chassis
SC_OEU_C
12
DOU 1
SC_ODU_OM 4
14
DOU 2
SC_ODU_OM 4
14
Table 9.2 – OEU Power Consumption
9.3.2
Installing DOUs
The OEU chassis can hold up to two DOUs. When configured with one DOU, the second DOU slot
should be covered with a blank card.
For proper operation, when the unit is equipped with one DOU, it should occupy the DOU 1 slot (top slot).
The following figure shows the OEU with both configurations.
Figure 9.2 – OEU Showing One and Two DOU Configurations
Содержание EXPRESS Single-Carrier DAS
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