3com 7754 사용자 설명서
I/O Modules
31
Table 39 describes the
8-Port 1000BASE-X GBIC module
LEDs.
The cables for each of the supported 8GBIC modules are described inTable 40.
Table 41 describes the specifications of the 8-port 1000BASE-X GBIC module.
8-port
10/100/1000BASE-T GE
Module
The 8-port 10/100/1000BASE-T GE module provides 8 external 10/100/1000
Mbps auto-sensing Ethernet electrical ports.
Mbps auto-sensing Ethernet electrical ports.
Figure 28 illustrates the 8-port 10/100/1000BASE-T GE module.
Table 39 8-Port 1000BASE-X GBIC Module LEDs
LED
Description
LINK
Off — The link is not connected
Green — The link is connected
ACT
Off — No data is being transmitted or received
Green flashing — Data is being transmitted or received
Table 40 GBIC Module Port Cables
GBIC Module Type
Central Wave Length
3CGBIC91
850 nm
3CGBIC92
1550 nm
3CGBIC97
1550 nm
Table 41 Specifications for the 8-Port 1000BASE-X GBIC 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
consumption
consumption
50 W
Number of ports
8
Optional GBIC module
types
types
3CGBIC 91
3CGBIC 92
3CGBIC 97
Port transmission speed
1000 Mbps, full duplex
Compliance
IEEE 802.3z
IEEE 802.3x