Areca 24/4 Internal/External Port Pcie 3.0 12 Gb/s SAS/SATA Raid Controller 2Gb Cache - Manual (Page 38)

HARDWARE INSTALLATION
38
Note:
A cable for the global indicator comes with your computer
system. Cables for the individual drive LEDs may come with a
drive cage, or you may need to purchase them.
2. Areca Serial Bus Connector
The serial bus connector can add optional accessories to add
RAID controller more functions. You can connect this interface to
Areca LCD module for information, status indication, or menus
or Card LED indicator for status message. This interface can
also cascade to another Areca serial bus accessories for the
additional status display.
The following picture and table are the serial bus signal name
description for LCD & fault/activity LED.
Pin Description Pin Description
1 Power (+5V) 2 GND
3 LCD Module Interrupt 4 Protect Key
5 LCD Module Serial Data 6 Fault/Activity Clock
7 Fault/Activity Serial Data 8 LCD Module Clock
You can use one optional LCD front panel and keypad function
to simply create the RAID volume. The LCD status panel also
informs you of the disk array’s current operating status at
a glance. The LCD configuration is described in a separate
manual: RAID Card_LCD manual. The LCD housed in a 5¼-inch
half-height or 3.5-inch canister.