48-Port 10/100/1000Base-T Module - 3Com 3C16895 Installation Manual

20 C 1: S 7750 C
HAPTER WITCH
48-port
10/100/1000BASE-T
Module
OMPONENTS
Figure 11 Front Panel of the
1 2
1 Ethernet port
2 Ethernet port LED
Each 100 Mbps Ethernet port has a green LED, indicating LINK/ACTIVE status.
Table 21 describes the 48-port 10/100BASE-T Auto-sensing FE module LED.
48-Port 10/100BASE-T Auto-sensing FE module LED
Table 21
LED
LINK/ACT
Table 22 describes the specifications of the 48-port 10/100BASE-T Auto-sensing FE
module.
Table 22 Specifications for the 48-Port 10/100BASE-T Auto-sensing FE Module
Specification Description
CPU MPC850
BootROM 512 KB
SDRAM 64 MB
Dimensions (L X W) 366.7 x 340 mm (14.5 x 13.4 in)
Maximum power 55 W
consumption
Connector RJ-45
Number of ports 48
Port transmission 10 Mbps half/full duplex
speed 100 Mbps half/full duplex
MDI/MDIX auto-sensing
Cables and maximum Cables are 2 100-ohm Category-5 twisted pairs up to 100 m (300 ft).
transmission distance
Compliance IEEE802.3
IEEE802.3u
IEEE802.3x
See "Electrical Port Connector" on page 68 for an illustration of the RJ-45
connector and MDI/MDI-X pinout details.
The 48-port 10/100/1000BASE-T module provides 48 10/100/1000 Mbps
auto-sensing Ethernet electrical ports.
Figure 12 illustrates the 48-port 10/100/1000BASE-T module.
48-Port 10/100BASE-T Auto-sensing FE module
Description
Green — The port is connected
Off — The port is not connected
Green flashing — Data is being transmitted