Synology RX1222sas Hardware Installation Manual page 5

Expansion unit
Table of Contents

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No.
Article Name
7
Power Port
8
PSU Indicator
9
PSU Fan
10
STATUS Indicator
11
ALERT Indicator
Expansion Unit ID
12
Indicator
SAS IN Port and
13
Indicator
SAS OUT Port and
14
Indicator
5 Chapter 1: Before You Start
Location
Connect power cords here.
Displays the status of the power supply unit (PSU). For more
information, see "LED Indicator Table".
Disposes of excess heat and cools the PSU.
Displays the status of the system. For more information, see
"LED Indicator Table".
Displays warnings regarding fan or temperature. For more
Rear
information, see "LED Indicator Table".
Indicates the ID number of the expansion unit.
Connects to the SAS OUT port of a Synology NAS or another
expansion unit. For more information, please see "Connect with
Synology NAS".
Connects to the SAS IN port of another expansion unit. For more
information, please see "Connect with Synology NAS".
Description

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