SRX320 Chassis

SRX320 Firewall Chassis Overview

The SRX320 Firewall chassis measures 1.73 in. high, 11.81 in. wide, and 7.52 in. deep. The PoE model weighs 3.4 lb. and the non-PoE model weighs 3.28 lb.

CAUTION:

Before removing or installing components of a functioning services gateway, attach an electrostatic discharge (ESD) strap to an ESD point and place the other end of the strap around your bare wrist. Failure to use an ESD strap could result in damage to the device.

The services gateway must be connected to earth ground during normal operation. The protective earthing terminal on the rear of the chassis is provided to connect the services gateway to ground.

SRX320 Firewall Front Panel

Figure 1 shows the front panel of the SRX320 Firewall.

Figure 1: SRX320 Firewall Front Panel

Table 1 provides details about the front panel components.

Table 1: SRX320 Firewall Front Panel Components
Number	Component	Description
1	Reset Config button	Returns the services gateway to the rescue configuration or the factory-default configuration.
2,6	Console port	Serial—Connects a laptop to the services gateway for CLI management. The port uses an RJ-45 serial connection and supports the RS-232 (EIA-232) standard. USB—Connects a laptop to the services gateway for CLI management through a USB interface. The port accepts a Mini-B type USB cable plug. A USB cable with Mini-B and Type A USB plugs is supplied with the services gateway. To use the mini-USB console port, you must download a USB driver to the management device from the Downloads page at https://www.juniper.net/support/downloads/?p=junos-srx#sw. To download the driver for Windows OS, select 6.5 from the Version drop-down list. To download the driver for Mac OS, select 4.10 from the Version drop-down list.
3	Mini-PIM slots	Two slots for Mini-PIMs. Mini-PIMs can be used to provide LAN and WAN functionality along with connectivity to various media types.
4	1-GbE small form-factor pluggable (SFP) ports	Two 1-GbE MACsec-capable ports for network traffic.
5	1-GbE RJ-45 ports	Six LAN ports (0/0 to 0/5) The ports have the following characteristics: Operate in full-duplex and half-duplex modes Support autonegotiation The ports can be used to: Function as front-end network ports Provide LAN and WAN connectivity to hubs, switches, local servers, and workstations Forward incoming data packets to the services gateway Receive outgoing data packets from the services gateway
7	USB port	The services gateway has one USB port that accepts a USB storage device.
8	LEDs	Indicate component and system status at a glance.
9	Power button	Use the Power button to power on or power off the services gateway.

Figure 2 shows the LEDs on the front panel.

Figure 2: SRX320 Firewall Front Panel LEDs

Table 2 lists the front panel LEDs.

Table 2: SRX320 Firewall Front Panel LEDs
Component	Description
ALARM	Solid amber (noncritical alarm) Solid red (critical alarm) Off (no alarms)
STAT	Solid green (operating normally) Solid red (error detected)
PWR	Solid green (receiving power) Solid red (power failure) Off (no power)
HA	Solid green (all HA links are available) Solid amber (some HA links are unavailable) Solid red (HA links are not functional) Off (HA is disabled)
mPIM0 and mPIM1	Solid green (Mini-PIM is functioning normally) Solid red (Mini-PIM hardware failure) Off (Mini-PIM is not present or Mini-PIM is not detected by the device)

Network Port LEDs

The SFP and Ethernet ports have two status LEDs, LINK and ACT, located above the port.

Table 3: Network Port LEDs
LED	Description
LINK (LED on the left)	Solid green—There is link activity. Off—There is no link established.
ACT (LED on the right)	Blinking green—There is activity on the 1 G link. Off—There is no link activity.

SRX320 Firewall Back Panel

Figure 3 shows the back panel of the SRX320 Firewall and Table 4 lists the components on the back panel.

Figure 3: SRX320 Firewall Back Panel

Table 4: SRX320 Firewall Back Panel Components
Number	Component	Description
1	Lock	Provides the capability to lock and secure the device at the installation site.
2	Fans	Keeps all the services gateway components within the acceptable temperature range.
3	Cable tie holder	Secures the DC power cord connection to the adapter.
4	Power supply input (DC power input)	Connects the services gateway to the external power supply.
5	Grounding point	Connects the services gateway chassis to earth ground (optional). Note: We recommend connecting the services gateway to ground if required.

SRX320 Firewall Interface Modules Overview

Mini-Physical Interface Modules (Mini-PIMs) are field-replaceable network interface cards (NICs) supported on the SRX300 line of services gateways. You can easily insert or remove Mini-PIMs from the front slots of the services gateway chassis. The Mini-PIMs provide physical connections to a LAN or a WAN. The Mini-PIMs receive incoming packets from the network and transmit outgoing packets to the network. During this process, they perform framing and line-speed signaling for the medium type.

CAUTION:

The Mini-PIMs are not hot-swappable. You must power off the services gateway before removing or installing Mini-PIMs.

The following Mini-PIMs are supported on the SRX320 Firewall:

1-Port Serial Mini-Physical Interface Module (SRX-MP-1SERIAL-R)
1-Port T1/E1 Mini-Physical Interface Module (SRX-MP-1T1E1-R)
1-Port VDSL2 (Annex A) Mini-Physical Interface Module (SRX-MP-1VDSL2-R)
LTE Mini-Physical Interface Module (SRX-MP-LTE-AE and SRX-MP-LTE-AA)
Wi-Fi Mini-Physical Interface Module (SRX-MP-WLAN-US, SRX-MP-WLAN-IL, and SRX-MP-WLAN-WW)

For more information on the Mini-PIMs, see the SRX300 Series and SRX550 High Memory Gateway Interface Modules Reference.

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