User Manual
Confidential & Proprietary 81/99
For power consumption of ROU, the common part consumes 17W. Depending on the
quantity of each RDU, you can add overall power consumption of ROU. Only, in case
of Dual-Band signals, power consumption is calculated respectively when HPA of the
other party is turned OFF and two HPA devices are turned ON. Note that when you
calculate Power Budget.
5.4 OEU Installation
OEU is used to expand ROU in Campus Site.
OEU is located at a Remote Closet. As it can be equipped with up to two DOUs
, you can expand a total of eight ROUs.
5.4.1 OEU Shelf installation
OEU is a shelf in around 2U size. Its width is 19” and so this unit should be inserted into a 19”
Standard Rack. OEU is in a Remote Closet, providing optical ports of ROU.
The following table shows power consumption of OEU:
No. Unit Description Remark
Shelf
Including EWDM,ERF,EPSU,ECPU,
19”,2U
1EA
Common Part
Power Cable -48Vdc Input with two lug terminal 1EA
Optional Part DOU Optical Module with 4 Optic Port
Up to 2EA to be
inserted
5.4.2 OEU Power Cabling
The input power of OEU is DC -48V. You need to connect DC cable with the Terminal Block
seen at the rear of OEU.
Terminal Color of cable Description Remark
-48V Blue color Input range: -42 ~ -56Vdc
NC Not Connected
GND Black color
Before connecting the power terminal, you need to connect "+" terminal of Multi Voltage Meter
probe with the GND terminal and then connect "–" terminal with -48V to see if “-48Vdc” voltage
is measured. After the check, connect the power terminal through the terminal seen below.