Fast Ethernet Modules - 3Com CoreBuilder 3500 Getting Started Manual

Fast Ethernet Modules

Each system can accommodate up to four Fast
Ethernet modules. The modules are hot-swappable.
The Fast Ethernet modules are available in these
configurations:
6-port RJ-45 10/100BASE-TX
The 10/100BASE-TX module autonegotiates
between 10 and 100 Mbps and autosenses
full-duplex and half-duplex mode.
6-port SC 100BASE-FX MMF and SMF
The 100BASE-FX, which is 100 Mbps only, is
available for multimode and single mode fiber.
Figure 4 illustrates the Fast Ethernet modules.
Figure 4 Fast Ethernet Modules
100 BASE - TX
3C35210 1X 2X
L E T L E T
PWR
INS
ERR
100BASE-TX
100 BASE - FX
1X
L
3C35220
E
T
PWR
4X
L
INS
E
ERR
T
100BASE-FX
3X 4X 5X 6X
L E T L E T L E T L E T
2X 3X
L L
E
E
T
T
5X 6X
L L L
E E E
T T T
CoreBuilder 3500 Modules
Module specifications for the Fast Ethernet modules
are provided in Table 3 and Table 4.
Table 3 Fast Ethernet 100BASE-FX Module MMF
Specifications
Parameter
Minimum TX output power
Maximum TX output power
Minimum RX input sensitivity
Maximum RX input sensitivity
Power Budget
Wavelength
Table 4 Fast Ethernet 100BASE-FX Module SMF Specifications
Parameter
Minimum TX output power
Maximum TX output power
Minimum RX input sensitivity
Maximum RX input sensitivity
Power Budget
Wavelength
For module installation instructions, see Chapter 3 or
the guide that is shipped with the module.
23
Value
–19 dBm
–14 dBm
–32.5 dBm
–14 dBm
11 dBm
Min 1270 nm
Typical 1310 nm
Max 1380 nm
Value
–19 dBm
–14 dBm
–32.5 dBm
–14 dBm
11 dBm
Min 1270 nm
Typical 1310 nm
Max 1380 nm