Chapter 1: Overview
28
PoE Network
Topology
In the topology shown in Figure 4, an AT-GS900/8POE Gigabit Ethernet
switch is connected to an AT-9424T/SP Gigabit Ethernet Switch and a
number of POE powered devices in different locations.
Figure 4. PoE Network Topology
POWER
1
2
3
4
5
6
7
8R
PoE
CLASS 1
LASER PRODUCT
1000Base-X
AT-GS900/8POE
8 Port 10/100/1000 Mbps POE Switch with 1 Combo SFP Port
PD ON
PD ERROR
1000 LINK
ACT
10/100 LINK
ACT
PORT ACTIVITY
8
SFP
Access Point
Access Point
IP Camera
-GS900/8POE
AT
AT-9424T
1
3
5
7
9
11
13
15
17
19
21R
23R
2
4
6
8
10
12
14
16
18
20
22R
24R
CLASS 1
LASER PRODUCT
AT-9424T
1
3
5
7
9
11
13
15
17
19 21R 23R
2
4
6
8
10
12
14
16
18
20 22R 24R
TERMINAL
PORT
FAULT
MASTER
POWER
STATUS
SFP
21
22
23
24
L/A
D/C
D/C
L/A
D/C
L/A
1000 LINK / ACT
HDX / COL
FDX
10/100 LINK / ACT
PORT ACTIVITY
21
22
23
24
SFP
L/A
Gigabit Ethernet Switch
10/100/1000T-POE
SFP
963
