User's Manual

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Compact design
Upgradable design
Easy installation and maintenance
2.2 System overview
TiTAN is composed of devices given below.
HMRU(High power Main Unit)
HARU(High power Add-on Main Unit)
A HMRU can support up to three ARU. HMRU transmits/receives optical signal from/to ODU
and OEU. The budget of optical link is maximum 10dBo with DOU supported 1optical port and
can support up to 5dBo with existing DOU supported 4optical port. System topology is like
below.
MRU
ARU1
ARU2 ARU3
From ODU/OEU
CU1
CU2
1900PCS/850C/700LTE/AWS-100
700PS/800PS/900I
Separate antenna per band
Figure 2.1 – Basic system topology
Table 3.1 – System topology Charts
System elements Optical Loss [dBo] Remark
With DOU supported 1optical port
1~10dBo
With DOU supported 4optical port
1~5dBo