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Notice: When connecting the twisted pair cables, TD and TD should be twisted as a pair, and
RD and RD too.
V. RC905 Ethernet to E1 interface converters should be utilized in pairs in point to
point mode. It cannot be interconnected with third party Ethernet to E1 interface
converters.
VI. Installation of DC Power Supply:
DC power supply provides three connecter ends: –48V, ground and 0V. These three connecter
ends are connected respectively with –48V power cable, ground protection (PGND) and 0V
power cable.
Note: PGND Connection is necessary for safety operation of equipment.
-48V
Ground
0V
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