3com 3C16895 7-slot Chassis Manual De Usuario

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I/O Modules
25
1 Ethernet port
2 Ethernet port LED
Table 31 describes the 20-port 1000BASE-X-SFP module LEDs.
Table 32 lists specifications of the 20-port 1000BASE-X-SFP module.
12-port 
10/100/1000BASE-T 
and 
4-port 1000BASE-X SFP 
Module
The 12-port 10/100/1000BASE-T and 4-port 1000BASE-X SFP module provides 12 
10/100/1000 BASE-T ports and 4 1000BASE-X ports.
Figure 22 illustrates the 12-port 10/100/1000BASE-T and 4-port 1000BASE-X SFP 
module.
Figure 22   12-port 10/100/1000BASE-T and 4-port 1000BASE-X SFP Module
Figure 23 illustrates the front panel of the 12-port 10/100/1000BASE-T and 4-port 
1000BASE-X SFP module.
Table 31   20-Port 1000BASE-X
-SFP
 Module LEDs 
LED
Description
LINK/ACT
Off — The port is not operating.
 
On — The port is operating.
 
Green flashing — The port is transmitting or received data
Table 32   Specifications for the 
20-Port 1000BASE-X-SFP Module
 
Specification
Description
CPU
MPC8241LZU200
BootROM
512 KB
SDRAM
64 MB
Dimensions (L x W)
366.7 x 340 mm (14.5 x 13.4 in)
Power consumption
35 W
Connector 
SFP socket
Number of ports
20
Transmission rate
1000 Mbps full duplex
Cable and maximum 
transmission distance
1000BASE-SX-SFP (multi-mode optical fiber, short haul)
 
1000BASE-LX-SFP (single mode optical fiber, 1310 nm)
 
1000BASE-LH-SFP (single mode optical fiber, 1310 nm)
 
1000BASE-ZX-LR-SFP (single mode optical fiber, 1550 nm)
 
1000BASE-ZX-VR-SFP (single mode optical fiber, 1550 nm)
Compliance
IEEE 802.3z
 
IEEE 802.1p
 
IEEE 802.1Q
 
IEEE 802.1D
 
IEEE 802.3x
 
IEEE 802.3ad
3C168916