N2248X-ON/N2248PX-ON

Front Panel Schematic

(1) Stacking LED	(2) System LED	(3) Power LED
(4) FAN LED	(5) Beacon LED	(6) 7-DIGIT Stack LED
(7) 1GbE/2.5GbE port	(8) 25GbE SFP28	(9) Reset button
(10) Micro-USB	(11) USB port	(12) Console port
(13) Management Ethernet port	-	-

Rear Panel Schematic

(1) PSU1	(2) PSU2	(3) FAN1
(4) FAN2	(5) FAN3	(5) 40GbE QSFP

Switch System Characteristics

Mechanical Dimension	Within 1RU
Management-ethernet port	1
Console port	1
1GbE/2.5GbE port	48
25GbE SFP28	4
Power LED	1
Stacking LED	1
FAN LED	1
System LED	1
Beacon LED	1
7-DIGIT Stack LED	1
RJ45 port LED	1 x 48
25GbE SFP28 LED	2 x 4
40GbE QSFP	2
40GbE QSFP LED	2 x 2
Micro-USB	1
USB port	1
Reset button	1
PSU	2
FAN	3

*UPoE

The last 24 RJ45 ports on the front panel of N2248PX-ON support UPoE, the maximum output power can be set to up to 60 watts. The first 24 RJ45 ports support PoE but not UPOE, the maximum output power can be set to up to 30 watts.

25GbE SFP28 Port

Ports te-1/1/1, te-1/1/2, te-1/1/3 and te-1/1/4 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-1/1/1	te-1/1/2	te-1/1/3	te-1/1/4	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.