User's Manual

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Following picture shows the connection diagrm between HMRU and HARUs
For expanding HARU at the HMRU in proper cable length provided, we recommend MRU be
located at middle of among ARUs. The cables between HMRU and HARU have each 3m length
HMRU
HARU1
HARU2 HARU3
Figure 5.4 – Connection diagram between HMRU and HARU
Table below shows the point to connect between HMRU and HARU according to ARU
order.
MRU port
name
1
st
ARU port
name
2
nd
ARU port
name
3
rd
ARU port
name
Remark
TX TX - -
RX RX - -
ARU
#1
I/O I/O - -
TX - TX
RX - RX
ARU
#2
I/O - I/O
TX - - TX
RX - - RX
ARU
#3
I/O - - I/O