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D-Link DGL-3420

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D-Link DGL-3420 A1

Manuf/OEM/ODM Global Sun WL AP 2554 RA1

FCC approval date: 23 December 2004
UPC: 790069273384 (UPC DB, On eBay)
Country of manuf.: Taiwan, China

Amazon image

B0006TIA0M (Flag of the United States.svg, On Amazon, On CCC)

Type: bridge


Power: 5 VDC, 2 A
Connector type: barrel

CPU1: Atheros AR2313A
FLA1: 1 MiB
1,048,576 B
8,192 Kib
1,024 KiB
8 Mib
9.765625e-4 GiB
(Macronix MX29LV800BTC-70)
RAM1: 8 MiB
8,388,608 B
65,536 Kib
8,192 KiB
64 Mib
0.00781 GiB
(ICSI IC42S16400-7T)

Expansion IFs: none specified

WI1 chip1: Atheros AR2313A
WI1 chip2: Atheros AR5112A
WI1 802dot11 protocols: abg
WI1 antenna connector: none

ETH chip1: Atheros AR2313A
ETH chip2: Kendin KS8721B
LAN speed: 10/100
LAN ports: 1


Additional chips
4.5 to 6GHz Power Amplifier IC;Microsemi;LX5506;MSC, 5506, 436GR;1;InGaP/GaAs HBT;16-pin MLPQ;
2.4GHz Power Amplifier IC;Microsemi;LX5510;MSC, 5510, 442FE;1;InGaP/GaAs HBT;16-pin MLPQ;3 mm x 3 mm;

Stock FW OS: ThreadX G4.0.4.0

Default IP address:
the IP is used by 7 additional devices
of which 6 are D-Link devices
Default login user: admin
Default login password: blank
admin:blank credentials used by 314 additional devices
of which 179 are D-Link devices

802dot11 OUI: 00:13:46 (13 E, 20 W, 2005)
Ethernet OUI: 00:13:46 (13 E, 20 W, 2005)

For a list of all currently documented Atheros chipsets with specifications, see Atheros.

 • Support page

"WL AP 2554 RA1" and "HW Rev A3" is silkscreened on the board in the FCC photos.
"WL AP 2554 RA1-B10" and "Rev V1.0" is silkscreened on (at least one) production model board.

Firmware notes[edit]

  • The firmware is compressed with arj
  • OS: ThreadX JADE/Green Hills Version G4.0.4.0
  • ar531x,, 18:00, 08 Dec, 2004, Build 1048 (dgl3420_firmware_100.bin)



It's on the back of the unit, presumably.

Tx seems to be the large used pad next to the two large grounded pads - both of which are somewhat below the power connector. The output doesn't appear to be particularly useful.. a trait which may be shared with other Global Sun AR231x + ThreadX devices..

Boot log[edit]


Probable used PSU(s)[edit]

The power supply which seems to be bundled with US sold units looks to be a JENTEC JTA0302A. The connector is smaller than usual..

JENTEC JTA0302A (more)
Input: 100-120 VAC ~ 50-60 Hz, 0.5 A
 Input connector: NEMA 1-15P
Style: small, straight  Manuf. in: China
Output: 5 VDC, 2 A
 Output connector: barrel (center +)
 OD: ??  ID: ??  LEN: ??