3Com 5000 Switch User Manual


 
2-4 DESIGNING AND EXPANDING THE NETWORK
LAN Equivalence In essence, LAN equivalence is the sum of both the incoming and
outgoing module port signals. Different modules, however, have
different equivalent distances. Table 2-2
lists the LAN product equivalent
distances.
Table 2-2 LAN Product Equivalent Distances
LAN Product
Equivalent
Distance (meters)
CoreBuilder 5000 Ethernet 10BASE-T Module
(6124M-TPL6)
585
Incoming signal to TP port 420
Outgoing signal from TP port 165
ONline Ethernet 10BASE-T Modules (5124M-TPCL,
5221M-TP, 5112M-TPL, 5112M-TPPL, 5108M-TP)
585
Incoming signal to TP port 420
Outgoing signal from TP port 165
ONline Ethernet Fiber Module (5104M-FIB, 5104M-FP,
5104M-FB, 5104M-FBP, 5102M-FP, 5102M-FB 5102M-FBP)
190
Incoming signal to fiber port 140
Outgoing signal from fiber port 50
ONline Ethernet FOIRL Module (5104M-FL) 560
Incoming signal to fiber port 330
Outgoing signal from fiber port 230
ONline Ethernet Transceiver Module (5103M-AUIM) 0
ORnet Star Coupler (8 or 14 port) (9308S, 9314S) 180
ONline Ethernet BNC Module (5106M-BNC) 900
Incoming signal to BNC port 450
Outgoing signal from BNC port 450
ONline Ethernet repeater Module (5102M-AUIF) 800
Incoming signal to AUI port 600
Outgoing signal from AUI port 200
IEEE Repeater 800