Mikrotik CRS328-24P-4S+RM Manual

Mikrotik Skifte CRS328-24P-4S+RM

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Side 1/3

CRS328-24P-4S+

This is a network switch with twenty four gigabit ethernet ports and four SFP+ ports. It is already configured, with all

ports switched together. We recommend you to set up a password to secure your device. This unit is compatible

with 1.25G SFP and 10G SFP+ modules. The device is capable of powering other devices through PoE.

Powering

The unit is equipped with one IEC type AC power input, which accepts 100-240 V powering (~ 50/60 Hz 7 A max).

The power consumption of this device itself under maximum load is up to 44 W.

Booting process

The device supports booting RouterOS (for complete routing and switching configuration) or SwOS (for only using

as a switch). By default the device will boot RouterOS, but you can reboot into the other operating system in the

following ways:

• From SwOS: In the System menu, click “Boot RouterOS” button on the bottom of the page.

• From RouterOS: in the System RouterBOARD menu, click “Settings” and there select “Boot OS”.

PoE output

This device can supply PoE powering to external devices from its ethernet ports. The output voltage will be

selected automatically, depending on what kind of voltage the connected device requires. The device can power

both 802.3af/at devices and devices that accept passive PoE power. If necessary, the output voltage can be

switched manually. By default the PoE mode is set to auto, it will not damage non PoE devices and will auto-detect

devices with PoE support and the needed voltage. Once a PoE device is detected, it will be powered and the PoE

LEDs will turn on.

The PoE out ports are grouped in three PoE out groups of 8 ports each (PSE8). Total device PoE limit = 450w

(150w per PSE8 group).

Each port can provide up to 30 W with high voltage, and 26,5 W with low voltage power output.

Configuration

Full RouterOS and SwOS documentation is located here: http://mt.lv/help

This device is not preconfigured other than an IP address on the master ethernet port. You can connect from any

port, as all ports are switched together by default. Other configuration has to be applied according to the

documentation manual linked above.

Initial connection has to be done via the ethernet cable, using the MikroTik Winbox utility. Winbox should be used to

connect to the default IP address of 192.168.88.1 from any port, with the username admin and no password.

For recovery purposes, it is possible boot the device from network, see Buttons and Jumpers.

In case IP connection is not available, the Winbox utility can also be used to connect to the MAC address of the

device. Applies only when device has booted RouterOS.

The device is equipped with an RJ45 serial port, set by default to 115200bit/s, 8 data bits, 1 stop bit, no parity.

Standard RJ45 to COM cable can be used, pinout can be found in our manual: http://mt.lv/help

For more information see www.mikrotik.com or contact Document #38279. Modified on 09/26/17support@mikrotik.com

Buttons and Jumpers

Reset button:

 Hold this button during boot time until the USR LED light starts flashing, release the button to reset

RouterOS configuration.

 Keep holding the button for 5 more seconds or until the user LED turns off, then release it to make the

RouterBOARD look for Netinstall servers. The first ethernet port is used for the Netinstall process. See

RouterOS documentation about using the Netinstall recovery utility.

Regardless of the above option used, the system will load the backup RouterBOOT loader if the button is pressed

before power is applied to the device. Release the button before LED begins to flash, to only load backup

RouterBOOT without reset. This is useful for RouterBOOT debugging and recovery.

Mode button:

The action of the mode buttons can be configured from RouterOS software to execute any user supplied RouterOS

script. You can also disable this button. The mode button can be configured in RouterOS menu /system

routerboard mode-button

Extension slots and ports

•24 gigabit ethernet ports (With Auto MDI/X so you can use either straight or cross-over cables for

connecting to other network devices).

• 4 SFP+ cages, which accept both 1.25 Gb SFP and 10 Gb SFP+ modules.

• RJ45 serial port.

LED indicators

• PWR LED is lit when the router is powered on.

• The USR LED can be configured from RouterOS.

• Triangle LEDs (top row) indicate PoE out status. Green LED indicates that the respective port uses low

voltage, a red LED indicates high voltage. Flashing single green LED: problem to start low voltage device.

Flashing single red LED: problem with high voltage device.

• The square port LEDs (bottom row) indicate the individual ethernet, SFP port activity.

• FAN FAULT LED indicates a problem with any of cooling fans.

• PoE FAULT LED indicates an exceeded overall max PoE output limit. Port poe-out priorities will work in 3

independent sections (8 ports each) and overload will happen in any section that breach 150W

consumption

Operating System Support

The device supports RouterOS software with the version number at or above what is indicated in the RouterOS

menu . The device can also boot SwOS. Other operating systems have not been tested. /system resource

For more information see www.mikrotik.com or contact Document #38279. Modified on 09/26/17support@mikrotik.com

Produkt Specifikationer

Mærke:	Mikrotik
Kategori:	Skifte
Model:	CRS328-24P-4S+RM
Vekselstrømsindgangsspænding:	100 - 240 V
Bredde:	443 mm
Dybde:	305 mm
Højde:	44 mm
Produktfarve:	Hvid
Formfaktor:	1U
Driftstemperatur (T-T):	-20 - 60 °C
Intern hukommelse:	512 MB
Kabler inkluderet:	Vekselstrøm
Strømforbrug (maks.):	44 W
Netværksstandarder:	IEEE 802.1Q,IEEE 802.3ad
LED-indikatorer:	Ja
Harmoniseret systemkode (HS):	85176990
Processorfrekvens:	800 Mhz
Flashhukommelse:	16 MB
Strøm over Ethernet (PoE):	Ja
Indbygget processer:	Ja
Switch-type:	Administreret
Switch lag:	L2/L3
VLAN understøttelse:	Ja
Port-spejlning:	Ja
Broadcast stormkontrol:	Ja
Basis omskiftning RJ-45 Ethernet porte, antal:	24
Basis omskiftning RJ-45 Ethernet porttype:	Gigabit Ethernet (10/100/1000)
Port til konsol:	RJ-45
Adgangskontrolliste (ACL):	Ja
Administrationsprotokoller:	SNMP
MAC adresselabel:	16000 entries
Switch kapacitet:	128 Gbit/sek.
Gennnemløb:	64 Mpps
Jumbo Frames support:	Ja
Stativ-montering:	Ja
Strømforsyning inkluderet:	Ja
Hastighed for videresendelse:	95.2 Mpps
Rack monteringskit:	Ja
Antal installerede SFP+ moduler:	4
Antal SFP + modulslots:	4