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Overview of the WS-AP3805

The WS-AP3805 is designed to extend your Wireless LAN 
around indoor locations. The WS-AP3805 supports 802.11ac 
wireless standards, with full backward compatibility with 
legacy 802.11a, 802.11b, 802.11g, and 802.11n devices. The 
WS-AP3805 interoperates fully with other IdentiFi Wireless 
products.

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WS-AP3805 Features

• Radios: 2 radios (2.4 GHz and 5 GHz)

• LEDs: 3 (see 

Figure 2

)

• Max. Power Consumption: 9.6W; 802.3af (see 

Table 1

)

• Antennas:

– WS-AP3805i: 4 

internal

 single band antenna 

assemblies

– WS-AP3805e: 4 

external

 RSMA antenna connectors

(external antennas must be ordered separately)

Items Shipped with the WS-AP3805

• T-rail Mounting Hardware:

– (2) 15/16” clips, and (2) 9/16” clips

– (2) Spacers

– Mounting screws

• Wall/Ceiling Mounting Bracket

• Mounting Bracket Hardware:

– (2) Drywall anchors 

– Mounting screws

WS-AP3805 Views

Figure 1

, shows the front and back of the WS-AP3805.

Figure 1

 Front & Back Views of the WS-AP3805

Caution: 

WS-AP3805i Rev 5K and above, and WS-AP3805e 

Rev 5K and above require a minimum base firmware of 
9.21.10.

Note: 

The WS-AP3805 is available in an “i” model (internal 

antennas) and an “e” model (external antennas). References 
to WS-AP3805

 

applies to both models.

1

Antenna Port, Radio 1 - Right 
(5.0 GHz, AP3805e only)

6

External Antenna (1 of 4), 
AP3805e only

2

Antenna Port, Radio 2 - Right 
(2.4 GHz, AP3805e only)

7

External Power Supply 
Port

3

Antenna Port, Radio 2 - Left 
(2.4GHz, AP3805e only)

8

LAN port

4

Antenna Port, Radio 1 - Left 
(5.0 GHz, AP3805e only)

9

Kensington Lock Slot

5

LEDs (see 

Figure 2

)

Figure 2

 LEDs on AP Front Face

Green LEDs mean ON. Amber LEDs mean OFF. 

Figure 3

 Reset Button

Mounting and Connecting the AP

A wall mount bracket is included for quick and easy 
mounting of the AP to a wall. A ceiling mounting kit is also 
provided for mounting on a drop ceiling. These instructions 
are guidelines. For detailed information, see the 

Extreme 

Networks IdentiFi Wireless WS-AP3805 Installation Guide

Mounting on a Drop Ceiling

Figure 4

 Attaching the T-rail Connector to the AP

Table 1

Powering the WS-AP3805

 

Power 
Source

Description

Power over 
Ethernet 
(PoE)

Power is provided through the RJ45 Ethernet port 
(LAN port) on the top of the WS-AP3805. This is 
the preferred method of powering the AP on ceiling 
and high wall installations.

External 12V 
DC power 
supply 
(optional)

The WS-AP3805 can also be powered by an 
external DC power supply plugged into an AC 
source. Plug the supply’s input jack into the DC-In 
port (see 

Figure 1

). 

1

Power

3

Radio 2 

2

Radio 1 

Electrical Hazard: 

Only qualified personnel should perform 

installation procedures.

1 Attach the T-rail connectors (see 

Figure 4

, Item 2) to the 

bottom cover of the AP using the provided short screws 
(see 

Figure 4

, Item 1). Two sizes of T-rail connectors are 

included in the mounting hardware kit: 15/16 in (2.38 cm) 
and 9/16 in (1.43 cm).

2 If extra space is required to accommodate drop ceiling 

tiles, use the provided spacers and long screws (see 

Figure 4

, Items 1 and 3).

3 Remove the ceiling panels around the drop ceiling T-bar 

rails where you intend to mount the AP. 

4 Line up the connected T-rail connectors (see 

Figure 5

Item 2) with an appropriately sized rail (see 

Figure 5

Item 1), and press the AP onto the rail until it snaps into 
place as shown in 

Figure 5

5 Verify that the Ethernet cable that will connect to the AP 

can reach the AP at the point where you plan to mount it.

6 With both bracket tabs over the T-bar rail lips, tap the AP 

to verify it is stable and won’t fall off. 

Figure 5

 illustrates 

the AP and bracket mounted on a T-bar rail.

Figure 5

 WS-AP3805 Mounted on Drop Ceiling T-bar 

Rail

7 Make a hole through the ceiling panel closest to the 

power slot on the AP. Run the Ethernet cable through the 
hole and into an RJ45 LAN port in the recessed 
connector bay.

8 Replace the displaced ceiling panels.

Mounting on a Wall or Solid Flat Ceiling

Figure 6

 shows the AP3805 mounted to a wall or solid 

ceiling.

Figure 6

 Mounting the WS-AP3805 to a Flat Wall or 

Solid Ceiling

1 Determine the spot on the wall where the AP is to be 

mounted, preferably high up on the wall (near the ceiling 
for maximum radio wave dispersion) but in reach of the 
Ethernet cable and a wall power outlet if you are not able 
to use Power over Ethernet.

2 Drill two holes in the wall (see 

Figure 6

, Item 1) to match 

the center of the two keyhole slots in the back of the AP 
bracket (see 

Figure 6

, Item 3).

3 Screw the anchors (see 

Figure 6

, Item 2) into the holes 

until they are flush with the wall, and screw the provided 
mounting screws (see 

Figure 6

 Item 5) into the anchors.

4 Screw the AP mounting screws (see 

Figure 6

, Item 4) 

into the bottom of the AP. 

5 Mount the AP on the mounting bracket by aligning the 

mounting screw with the slots in the bracket and rotating 
the unit clockwise about 90 degrees to secure it in place.

Connecting a Power Supply to the WS-AP3805

If you need to power the WS-AP3805 with an external 12V 
DC power supply, you can plug the power cord into the 
power connector (see 

Figure 1

, Item 6) on the back of the 

AP. There is no wall mount for the 12V DC power supply. 
Refer to the 

Extreme Networks IdentiFi Wireless WS-

AP3805 Installation Guide 

for information about the power 

supply.

LAN Connection

The WS-AP3805 has one LAN (Ethernet) port (see 

Figure 1

Item 7). During administration and maintenance through 
the LAN, the AP must still have a power connection 
through either an Ethernet PoE cable or a DC power supply.

External Antennas (WS-AP3805e Only)

Install the external antennas intended for area coverage. 
For information about antenna selection and installation, 
refer to the 

Extreme Networks IdentiFi Wireless WS-

AP3805 Installation Guide

Note: 

When drilling the holes for the wall anchors, the hole 

diameter should be slightly smaller than the diameter of the 
wall anchors provided.

Electrical Hazard: 

Do not connect the WS-AP3805 to an 

external power supply if the AP is plugged into the PoE 
port.

Note: 

LAN connectors with shrouds will not fit into the AP 

port. Remove the shroud or use an optional jumper cable.

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