CHAPTER 2.
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2.3.4.6 GSIMT
The Gigabit Switch Interface Module TX (GSIMT) provides Layer 2 and Layer 3 Gigabit
LAN interfaces to support the data network.
Major Functions
The major functions of the GSIMT are as follows.
L3 Unicasting Protocol
L3 Multicasting Protocol
Ethernet Switch (802.3 compatible)
10/100/1000 BASE-TX port
Packet Priority Control (802.1p)
VLAN Networking (802.1q)
Spanning Tree Protocol (RSTP, PVST+)
Diffserv
Flow Control (802.3x)
Multi-casting (IGMPv1/v2, DVMRP, PIM-SM)
Specification
The specification of the GSIMT is as follows.
12 10/100/1000 BASE- TX interface ports
Front View of the GSIMT
The front view of the GSIMT is shown in the figure below.
Figure 2.30 Front View of the GSIMT
The components on the front panel of the GSIMT have the functions below:
GSIMT
P1
P2
P3
P4
P5
P6
P7
P8
P9
P10
P11
P12
SIO
DBL
PWR RUN
LNK SPD
RST