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0 ABOUT THIS GUIDE.................................................................................................................................IX
C
ONVENTIONS
.....................................................................................................................................................
IX
O
VERVIEW OF THIS
U
SER
’
S
G
UIDE
......................................................................................................................
IX
1 INTRODUCTION..........................................................................................................................................1
F
AST
E
THERNET
T
ECHNOLOGY
............................................................................................................................1
G
IGABIT
E
THERNET
T
ECHNOLOGY
.......................................................................................................................1
S
WITCHING
T
ECHNOLOGY
....................................................................................................................................2
DES-1218/DES-1226 10/100/1000 M
BPS
S
WITCH
..............................................................................................2
General Description of Switch .........................................................................................................................2
Performance features.......................................................................................................................................3
Ports.................................................................................................................................................................4
Optional Gigabit Extension Modules...............................................................................................................4
1000BASE-SX (SC) Module (DES-122G).....................................................................................................................4
1000BASE-LX (SC) Module (DES-122GL) ..................................................................................................................4
GBIC Gigabit Ethernet Module (DES-122GB)...............................................................................................................4
1000BASE-T Module (DES-122T).................................................................................................................................4
1000BASE-SX (MT-RJ) Module (DES-122GM )*........................................................................................................5
2 UNPACKING AND SETUP.........................................................................................................................6
U
NPACKING
..........................................................................................................................................................6
S
ETUP
...................................................................................................................................................................6
D
ESKTOP OR
S
HELF
I
NSTALLATION
......................................................................................................................7
R
ACK
I
NSTALLATION
............................................................................................................................................7
P
OWER ON
............................................................................................................................................................8
Power Failure ..................................................................................................................................................8
3 IDENTIFYING EXTERNAL COMPONENTS...........................................................................................9
F
RONT
P
ANEL
.......................................................................................................................................................9
R
EAR
P
ANEL
......................................................................................................................................................10
S
IDE
P
ANELS
......................................................................................................................................................11
LED I
NDICATORS
...............................................................................................................................................11
4 CONNECTING THE SWITCH..................................................................................................................12
S
WITCH TO
E
ND
N
ODE
.......................................................................................................................................12
S
WITCH TO
H
UB OR
S
WITCH
...............................................................................................................................13
C
ONNECTING TO
N
ETWORK
B
ACKBONE OR
S
ERVER
..........................................................................................14
5 SWITCH MANAGEMENT ........................................................................................................................15
L
OCAL
C
ONSOLE
M
ANAGEMENT
........................................................................................................................15
Console port (RS-232 DCE)...........................................................................................................................15
User Interface.................................................................................................................................................16
Software Features ..........................................................................................................................................17
Port Speed - 10/100 Mbps UTP....................................................................................................................................17
Port Speed – Gigabit Ethernet Ports..............................................................................................................................17
Flow Control.................................................................................................................................................................17
Port Trunk Groups ........................................................................................................................................................17
Port Monitor..................................................................................................................................................................17
Priority Queues .............................................................................................................................................................18
VLAN Group ................................................................................................................................................................19
6 MANAGEMENT CONCEPTS...................................................................................................................20
P
ORT
T
RUNK
G
ROUPS
........................................................................................................................................20
IEEE 802.1
P
P
RIORITY
.......................................................................................................................................21
VLAN
S
..............................................................................................................................................................21