Mx480 Application Services Modular Storage Card Description - Juniper MX480 Hardware Manual

For AC power supply: PWR-FAN-MX480-AC-HC-U and PWR-MX480-2520-AC-S
For DC power supply: PWR-FAN-MX480-DC-HC-U and PWR-MX480-2520-DC-S
Fan tray—FFANTRAY-MX480-HC
SEE ALSO
Replacing an MX480 AS MLC | 374
Replacing an MX480 AS MSC | 378
Replacing an MX480 AS MXC | 382

MX480 Application Services Modular Storage Card Description

Application Services Modular Storage Card (AS MSC) is a NAND Flash––based card that is inserted into
the upper slot of the Application Services Modular Line Card (AS MLC). The AS MSC (see
Figure 39 on page 162) serves as the second tier caching storage for platforms such as the Junos Content
Encore system. This card is equivalent to a PIC or a Modular Interface Card (MIC) and provides a maximum
of 3.6 Gbps read and 2 Gbps of write memory.
The AS MSC has the following features:
400 GB NAND Flash memory
Up to 48K of write cycle
Multilevel cell (MLC) NAND memory support
Best-in-class NAND controller for maximum performance and reliability
AS MSCs are hot-removable and hot-insertable. One AS MSC can be installed in the top slot of each AS
MLC. Each AS MSC has these components:
SATA-3 controller—An eight-port, 6 Gbps SAS/SATA controller.
NAND Flash controller— NAND Flash and NAND Flash controller are used in an AS MSC.
Control plane—Inter-integrated circuit control plane that allows Peripheral Component Interconnect
Express (PCIe) control.
LEDs—Two LEDs display the status of the AS MSC and storage.
Online/offline button—To power on or power off the AS MSC.
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