Справочник Пользователя для 3com 8807
36
C
HAPTER
2: I/O
AND
A
PPLICATION
M
ODULES
The
3C17527
module has two LEDs for each optical port on its panel.
Matching Cable
See Table 66 on page 46 for the XFP optical modules that are available for the 10
Gbps XFP optical ports on the
Gbps XFP optical ports on the
3C17527
module and their matching cable types,
which you can select as required.
3C17528 48port
10/100/1000 BASE-T
(RJ-45) Module
10/100/1000 BASE-T
(RJ-45) Module
This section provides specifications for the 48-port 10/100/1000 BASE-T (RJ-45)
module (3C17528).
module (3C17528).
Specifications
The 3C17528 module provides 48 10/100/1000 BASE-T auto-sensing PoE-capable
RJ-45 ports.
RJ-45 ports.
Panel and LEDs
Figure 20 3C17528 module panel
The 3C17528 module has one LED for each port on its panel.
Table 41 1000 Mbps optical port LEDs on the 3C17527 module
LED
Status
Meaning
LINK
OFF
No link is present.
Green
A link is present.
ACT
OFF
No packets are transmitted/received on the port.
Orange blinking
Packets are being transmitted/received on the port.
Table 42 3C17528 module specifications
Item
Specification
CPU
MPC8245
BootROM
512 KB
SDRAM
128 MB
Physical dimensions (W x D)
366.7 x 340 mm (14.4 x 13.4 in.)
Number of ports
48
Connector
RJ-45
Rate
10/100/1000 Mbps
Table 43 1000 Mbps electrical port LEDs on the 3C17528 module
LED
Status
Meaning
LINK/ACT
ON
A link is present.
OFF
No link is present.
Blinking
Packets are being transmitted/received on the port.