Hewlett Packard Enterprise 1920-24G (JG926A)
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| HPE OfficeConnect 1920 24-Port Gig Smart Switch | |
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| 3rd Party Firmware | |
|---|---|
| dd-wrt | Status Unknown |
| OpenWrt | Supported |
| Tomato any flavor | Incompatible |
| Gargoyle | Status Unknown |
| Platform | |
| Brand • Model • Rev | HPE 1920-24G |
| Model part number | JG926A |
CPU1  | Realtek RTL8382M |
| CPU1 Type | MIPS 4KEc |
| CPU1 Speed | 500 MHz |
| Flash1 Size | 32 MiB 33,554,432 B <br />262,144 Kib <br />32,768 KiB <br />256 Mib <br />0.0313 GiB <br /> |
| RAM1 Size | 128 MiB 134,217,728 B <br />1,048,576 Kib <br />131,072 KiB <br />1,024 Mib <br />0.125 GiB <br /> |
| ETH chip1 | Realtek RTL8382M |
| ETH chip2 | Realtek RTL8218B |
| ETH chip3 | Realtek RTL8218B |
| ETH chip4 | Realtek RTL8214FC |
| Switch | Realtek RTL8382M |
| Ethernet Port Count | 24-1GbE |
| Ethernet connector | 8P8C |
| Wired Standard | IEEE 802.3i/3u/3ab |
| Auto-MDIX | unspecified |
| Switch Class | managed |
|
Ethernet OUI: none specified | |
| Expansion IF types | SFP |
| SFP ports | 4 |
| Stock bootloader | U-Boot |
| PoE | 802.3at, standard |
| Power | 100-240 VAC ~ 50/60 Hz, ? A |
| Connector type | C13 |
| Serial Port (UART) | yes, RJ45, (38400 8N1) |
|
| |
| 3rd Party Firmware Support |
OpenWrt • (List | Dev | DLs) |
For a list of all currently documented Realtek chipsets with specifications, see Realtek.
For a list of all currently documented HPE devices with specifications, see HPE.
Flashing
 | NOTE: During configuration or flashing a device, the only things that should be hooked to the device is the computer and power. |
Flashing OpenWrt
Target: realtek
Subtarget: rtl838x
Package architecture: mips_4kec
Supported Since Commit
Support started version: 24.10.0
Current supported version: 25.12.1
Subtarget: rtl838x
Package architecture: mips_4kec
Supported Since Commit
Support started version: 24.10.0
Current supported version: 25.12.1
LAN Hardware: Realtek RTL8382M
LAN Comment: 24 PoE 802.3at PSE ports
WLAN Hardware: none
WLAN Comment: No WLAN
Installation method(s):
U-Boot TFTP recovery, see git-commit
Recovery method(s):
U-Boot TFTP recovery, see git-commit
LAN Comment: 24 PoE 802.3at PSE ports
WLAN Hardware: none
WLAN Comment: No WLAN
Installation method(s):
U-Boot TFTP recovery, see git-commit
Recovery method(s):
U-Boot TFTP recovery, see git-commit
| git • >> |
|---|
realtek: add support for HPE 1920-24G-PoE-370w
Hardware information:
---------------------
The HPE 1920-24G-PoE+ (370W) (JG926A) is a switch that is
part of the 1920 family wich 370W nominal PoE+ support.
Common with HPE 1920-24G:
- RTL8382 SoC
- 24 Gigabit RJ45 ports (built-in RTL8218B, 2 external RTL8218D)
- 4 SFP ports (external RTL8214FC)
- RJ45 RS232 port on front panel
- 32 MiB NOR Flash
- 128 MiB DDR3 DRAM
- PT7A7514 watchdog
HPE 1920-24G-PoE+ (370W):
- PoE chip
- 3 fans (40mm)
Known issues:
---------------------
- PoE LEDs are uncontrolled.
(Manual taken from f2f09bc)
Booting initramfs image:
------------------------
- Prepare a FTP or TFTP server serving the OpenWrt initramfs image and
connect the server to a switch port.
- Connect to the console port of the device and enter the extended
boot menu by typing Ctrl+B when prompted.
- Choose the menu option "<3> Enter Ethernet SubMenu".
- Set network parameters via the option "<5> Modify Ethernet Parameter".
Enter the FTP/TFTP filename as "Load File Name" ("Target File Name"
can be left blank, it is not required for booting from RAM). Note that
the configuration is saved on flash, so it only needs to be done once.
- Select "<1> Download Application Program To SDRAM And Run".
Initial installation:
---------------------
- Boot an initramfs image as described above, then use sysupgrade to
install OpenWrt permanently. After initial installation, the
bootloader needs to be configured to load the correct image file
- Enter the extended boot menu again and choose "<4> File Control",
then select "<2> Set Application File type".
- Enter the number of the file "openwrt-kernel.bin" (should be 1), and
use the option "<1> +Main" to select it as boot image.
- Choose "<0> Exit To Main Menu" and then "<1> Boot System".
NOTE: The bootloader on these devices can only boot from the VFS
filesystem which normally spans most of the flash. With OpenWrt, only
the first part of the firmware partition contains a valid filesystem,
the rest is used for rootfs. As the bootloader does not know about this,
you must not do any file operations in the bootloader, as this may
corrupt the OpenWrt installation (selecting the boot image is an
exception, as it only stores a flag in the bootloader data, but doesn't
write to the filesystem).
Example PoE config file (/etc/config/poe):
---------------------
config global
option budget '370'
config port
option enable '1'
option id '1'
option name 'lan8'
option poe_plus '1'
option priority '2'
config port
option enable '1'
option id '2'
option name 'lan7'
option poe_plus '1'
option priority '2'
config port
option enable '1'
option id '3'
option name 'lan6'
option poe_plus '1'
option priority '2'
config port
option enable '1'
option id '4'
option name 'lan5'
option poe_plus '1'
option priority '2'
config port
option enable '1'
option id '5'
option name 'lan4'
option poe_plus '1'
option priority '2'
config port
option enable '1'
option id '6'
option name 'lan3'
option poe_plus '1'
option priority '2'
config port
option enable '1'
option id '7'
option name 'lan2'
option poe_plus '1'
option priority '2'
config port
option enable '1'
option id '8'
option name 'lan1'
option poe_plus '1'
option priority '2'
config port
option enable '1'
option id '9'
option name 'lan16'
option poe_plus '1'
option priority '2'
config port
option enable '1'
option id '10'
option name 'lan15'
option poe_plus '1'
option priority '2'
config port
option enable '1'
option id '11'
option name 'lan14'
option poe_plus '1'
option priority '2'
config port
option enable '1'
option id '12'
option name 'lan13'
option poe_plus '1'
option priority '2'
config port
option enable '1'
option id '13'
option name 'lan12'
option poe_plus '1'
option priority '2'
config port
option enable '1'
option id '14'
option name 'lan11'
option poe_plus '1'
option priority '2'
config port
option enable '1'
option id '15'
option name 'lan10'
option poe_plus '1'
option priority '2'
config port
option enable '1'
option id '16'
option name 'lan9'
option poe_plus '1'
option priority '2'
config port
option enable '1'
option id '17'
option name 'lan24'
option poe_plus '1'
option priority '2'
config port
option enable '1'
option id '18'
option name 'lan23'
option poe_plus '1'
option priority '2'
config port
option enable '1'
option id '19'
option name 'lan22'
option poe_plus '1'
option priority '2'
config port
option enable '1'
option id '20'
option name 'lan21'
option poe_plus '1'
option priority '2'
config port
option enable '1'
option id '21'
option name 'lan20'
option poe_plus '1'
option priority '2'
config port
option enable '1'
option id '22'
option name 'lan19'
option poe_plus '1'
option priority '2'
config port
option enable '1'
option id '23'
option name 'lan18'
option poe_plus '1'
option priority '2'
config port
option enable '1'
option id '24'
option name 'lan17'
option poe_plus '1'
option priority '2'
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