| Specifications |
JL728B |
| Description |
48x ports 10/100/1000BASE-T Class 4 PoE Ports, supporting up to 30W per port
4x 1/10G SFP ports; PHY-less
Supports PoE Standards IEEE 802.3af, 802.3at
1x USB-C Console Port
1x OOBM
1x USB Type-A Host port
1x RJ-45 Console Port |
| Power supplies |
Fixed power supply
Up to 740W of Class 4 PoE Power |
| Fans |
Fixed fans |
| Dimensions |
(H) 4.37 cm x
(W) 44.25 cm x
(D) 32.66 cm
(1.72” x 17.42” x 12.86”) |
| Configuration weight |
5.13 kg (11.32 lbs) |
| CPU |
Quad Core ARM Cortex™ A72 @ 1.8 GHz |
| Memory and flash |
8 GB DDR4
16 GB eMMC |
| Packet buffer |
8 MB (6 MB + 2 MB) |
| Model switching capacity |
176 Gbps |
| Model throughput capacity |
Up to 130.9Mpps |
| Average latency (LIFO-64- bytes packets) |
1 Gbps: 3.3μSec
10 Gbps: 2.3μSec |
| Stack size |
8 members (with other 24/48p 6200F and 6200M switches only) |
| Max. stacking distance |
Up to 10 kms with long range transceivers |
| Stacking bandwidth |
Up to 40Gbps |
Switched virtual interfaces
(dual stack) |
256 |
| IPv4 host table (ARP) |
8,192 |
| IPv6 host table (ND) |
8,192 |
| IPv4 unicast routes |
2,048 |
| IPv6 unicast routes |
1,024 |
| MAC table capacity |
32,768 |
| IGMP groups |
1,024 |
| MLD groups |
1,024 |
| IPv4/IPv6/MAC ACL entries (ingress) |
5,120/1,280/5,120 |
| IPv4/IPv6/MAC ACL entries (egress) |
2,048/512/2,048 |
| Operating temperature |
32°F to 113°F (0°C to 45°C) up to 5,000 ft; derate 1°C for every 1,000 ft from 5,000 ft to 10,000 ft. |
| Operating relative humidity |
5% to 95% @ 104°F (40°C) non-condensing |
| Non-operating |
(-40°F to 158°F) (-40°C to 70°C) up to 15,000 ft |
Non-operating storage
relative humidity |
5% to 95% @ 149°F (65°C) non-condensing |
| Max operating altitude |
10,000 feet (3.048 km) Max |
| Max non-operating altitude |
15,000 feet (4.6 km) Max |
| Acoustic |
Sound Power, LWAd = 5.3 Bel
Sound Pressure, LpAm (Bystander) = 36.5 dB |
| Primary airflow |
Front and side to back |
| Frequency |
50Hz/60Hz |
| AC voltage |
100V–120V/200V–240V, rated |
| Current (for voltages listed above) |
10.3A/5.0A |
| 80plus.org certification |
80 PLUS Gold |
Maximum heat dissipation
BTU/hr and kj/hr |
205 BTU/hr
216 kj/hr |
Power consumption
(230VAC) |
Idle: 42W
100% Traffic Rate: 60W |
| Safety |
Europe:
EN 62368-1:2014 +A11:2017
EN 62368-1:2020 +A11:2020
UK:
BS EN 62368-1:2014 + A11:2017 2nd Ed
BS EN 62368-1:2020 + A11:2020 3rd Ed
US:
UL 62368-1, 3rd Ed.,
Canada:
CAN/CSA C22.2 No. 62368-
1:19, 3rd Ed.
Worldwide:
IEC 62368-1:2014 2nd Ed.
IEC 62368-1: 2018 3rd Ed.
Taiwan:
CNS-15598-1:2020
China:
GB 4943.1:2022 |
| Emissions |
Europe:
EN 55032:2015 +A11:2020, Class A
EN 61000-3-2:2019
EN 61000-3-3:2013
US:
FCC 47 CFR part 15B: Class A
Canada:
ICES-003 Issue 7: 2020, Class A
Worldwide:
VCCI-CISPR 32, Class A
CISPR 32: 2016, Class A
AS/NZS CISPR 32: 2015, Class A GB/T 9254.1-2021, Class A CNS 15936:
2020, Class A KS C 9832 |
| Lasers |
EN 60825-1:2007/IEC 60825-1:2007 Class 1
Class 1 Laser Products/Laser Klasse 1
(Applicable for accessories—Optical Transceivers only) |
| Immunity |
| Generic |
CISPR 35: 2016 |
| EN |
EN 55035:2017 +A11:2020 |
| ESD |
IEC 61000-4-2 |
| Radiated |
IEC 61000-4-3 |
| EFT/Burst |
IEC 61000-4-4 |
| Surge |
IEC 61000-4-5 |
| Conducted |
IEC 61000-4-6 |
| Power frequency magnetic field |
IEC 61000-4-8 |
| Voltage dips and interruptions |
IEC 61000-4-11 |
| Harmonics |
IEC 61000-3-2,
EN 61000-3-2 |
| Flicker |
IEC 61000-3-3,
EN 61000-3-3 |
| RoHs |
EN 63000:2018/IEC 63000:2018
|
| Mounting and enclosure |
Mounts in an EIA-standard 19 in.
Telco rack or equipment cabinet.
Horizontal surface mounting only.
2-post rack kit included. |
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