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44 CHAPTER 2: I/O AND APPLICATION MODULES
Front panel
Figure 30 Front panel of the 3CR1754766
The 3CR1754766 provides eight 1000Base-X ports, one Console port, one AUX
port, three 10/100Base-TX ports and four status LEDs (ATTACK, ACT, ALM and
RUN) from left to right on the front panel.
Available cables
Table 64 on page 45 lists the available SFP modules and cable types for the
1000BASE-X SFP ports.
3C17548 VPLS
Application Module
Technical specifications
The 3C17548 Virtual Private LAN Service (VPLS) Application Module provides no
I/O ports.
SDRAM 512 MB
Physical dimensions (W x D) 366.7 x 340 mm (14.4 x 13.4 in.)
Table 62 Status LEDs on the 3CR1754766
LED Color Status Meaning
ATTACK Red OFF The module is not attacked.
ON The module is attacked.
ACT Green OFF The module is in standby mode.
Blinking The module is in active mode.
ALM Red OFF There is no link alarm.
ON There is a link alarm.
RUN Green OFF The module is faulty.
Blinking The module operates normally.
Table 61 Technical specifications for the 3CR1754766
Item Specifications
Table 63 Technical specifications for the 3C17548
Item Specifications
CPU MPC755
Boot ROM 512 KB
SDRAM 512 MB
Physical dimensions (W x D) 366.7 x 340 mm (14.4 x 13.4 in.)