Black Box LPB1308A - Manual

724-746-5500 | blackbox.com

724-746-5500 | blackbox.com

724-746-5500 | blackbox.com

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© Copyright 2011. Black Box Corporation. All rights reserved.
Black Box and the Double Diamond logo are registered trademarks of
BB Technologies, Inc. Mac is a registered trademark of Apple Computer,
Inc. Any other trademarks mentioned in this manual are acknowledged
to be the property of the trademark owners.

BLACK BOX

®

Add 8 PoE devices to your

existing Gigabit LAN.

8-Port Gigabit 802.3at/af PoE Switch

LPB1308A

Order toll-free in the U.S.:

Call 877-877-BBOX

(outside U.S. call 1-724-746-5500)
FREE technical support

24 hours a day, 7 days a week:

Call 724-746-5500 or

fax 724-746-0746
Mailing address:

Black Box Corporation

1000 Park Drive

Lawrence, PA 15055-1018
Web site: www.blackbox.com
E-mail: info @blackbox.com

Customer

Support

Information

Black Box Tech

Support: FREE! Live.

24/7. Tech support

the way it should be.

BLACK BOX

®

8-Port Gigabit 802.3at/af PoE Switch

LPB1308A, rev. 1

LPB1308A

1. Specifications

Buffer Memory —

1.625 Mbits

Certifications —

FCC Class A

Filtering/Forwarding Rates —

1000-Mbps port: 1,488,000 pps;

100-Mbps port: 148,800 pps;
10-Mbps port: 14,880 pps

MAC Address —

4 K

Transmission Method —

Store-and-forward

Transmission Media —

10BASE-T: CAT3, 4, 5 UTP/STP;
100/1000BASE-TX: CAT5 UTP/STP

Standards —

IEEE 802.3at/802.3af, IEEE 802.3i

10BASE-T, IEEE 802.3u 100BASE-TX, IEEE 802.ab
1000BASE-TX, IEEE 802.3x flow control

Connectors —

(8) RJ-45 PSE/PoE

Indicators —

(33) LEDs: Per port: (1) ACT, (1) 10/100,

(1) 1000, (1) PoE;
Per unit: (1) Power LED

Mac

®

PC Workstation PC PC Server Server PC PC

Ethernet

switch

Ethernet

switch

Figure 3-1. Application #1.

3.2 PC/Other Devices to 8-Port Gigabit

802.3at/af PoE Switch

You can connect this switch to PCs, servers, and other
network devices using a straight-through Ethernet
cable.

PC Mac Server Workstation

Figure 3-2. Application #2.

3.3 Connecting a Powered Device to the

Switch Using Power over Ethernet (PoE)

Using a CAT5 cable, connect the powered device (PD)
to any of the eight ports on the switch. The switch will
detect the PD and supply 48-V power to the device
over the CAT5 cable.

NOTE: The PD must comply with the IEEE 802.3at/af

standard.

4. Operation

LED indicators on the 8-Port Gigabit 802.3at/af PoE
Switch’s front panel show status.

Table 4-1. LEDs and their Functions.

LED

Status

Description

ACT

On

Port is connected

Off

No connection to port

10/100

Off

Port is connected to 10 Mbps

On

Port is connected to 100 Mbps

1000

On

Port is connected to 1000 Mbps

Off

—

PoE

On

Port is linked to powered device (PD)

Off

No powered device (PD) is connected

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