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Front Panel Schematic

(1) Platform Stacking LED

(2) System Status LED

(3) Power Status LED

(4) FAN Status LED

(5) System Beacon LED

(6) 7-Digit Stacking LED

(7) 48 x 2.5G/5G RJ45 ports

(8) 4x25G SFP28 ports

(9) USB port

(10) Console port

 (11) Management Ethernet port

(12) Reset button

Rear Panel Schematic

(1) PSU(Power Supply Unit)

(2) PSU LED

(3) FAN1

(4) FAN2

(5) FAN3

(6) 2xHG[106] stacking ports


Switch System Characteristics

Mechanical dimension

Standard 1U chassis height

Management port

1

RJ45 Console port

1

2.5G/5G RJ45 port

48

25G SFP28 port

4

HG[106] stacking ports

2

7-DIGIT Stack LED

1

Power LED

1

System Status LED

1

Platform Stacking LED

1

FAN Status LED

1

USB port

1

Reset button

1

PSU

2

FRU(Fan Removable Unit)

3

Working environment temperature

0ºC~75ºC

 

*UPoE

  • The 48x10G RJ45 ports on the front panel of N3248PXE-ON support UPoE. For these UPoE ports, the maximum output power supported is up to 99 watts. For details about UPoE, please refer to UPoE.
  • N3248X-ON does not support PoE.
  • See the link PoE Configuration Commands for PoE command reference, the following PoE commands are not supported on N3248PXE-ON:

  set poe interface max-power
  set poe interface mode
  set poe interface threshold-mode
  set poe power management-mode


2.5G/5G RJ45 Port

The 2.5G/5G RJ45 ports don’t support setting of the force speed by using set interface gigabit-ethernet<interface-name> speed <speed> command, but only supports auto-negotiation mode. Together with the optional set interface gigabit-ethernet <interface-name> auto-speeds <auto-speed> command, user can manually specify the auto-negotiation rate range. The supported speeds include 10M, 100M1G, 2.5G, 5G and 10G.


25GbE SFP28 Port

Ports Te-1 / 1/49, Te-1 / 1/50, Te-1 / 1/51 and Te-1 / 1/52 are a group of ports, you should manually configure the port speed for these four ports by using the set interface gigabit-ethernet speed command before inserting an optical module. When configuring the rate, the supported port rates are 25 Gbit/s, 10 Gbit/s, and 1 Gbit/s. The four ports can be configured with the same port rate or different rate. When configured at different port rates, 10G and 1G can coexist, but 25G cannot coexist with other rates. The following table gives several cases of speed setting for this group of ports.

 

te-1/1/49

te-1/1/50

te-1/1/51

te-1/1/52

Allowed or not allowed

case #1

10 G

10G

10G

10G

case #2

1G

1G

1G

1G

case #3

25G

25G

25G

25G

case #4

1G

10G

1G

10G

case #5

25G

1G

25G

25G

X

case #6

25G

10G

25G

10G

X

case #7

25G

1G

10G

25G

X

 Note: If the port rate is set to 25 Gbit/s, but a 10 Gbit/s optical module is inserted, the port cannot go up.


2 x HG[106] stacking ports

N3248PXE-ON/N3248X-ON has one slot for QSFP module at the rear side which can be plugged in 2 x 100G QSFP modules. The port numbers of the QSFP module are Xe-1/1/1 and Xe-1/1/2. They can be used as normal 100G QSFP28 ports.

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