Nortel Networks 893-862-B manual

Table 2 lists the most common cable and connector combinations for the 10BASE-FL media adapter, assuming the maximum permitted attenuation with ST connectors. The table lists the maximum (total) distance allowed in the fiber connection. However, your fiber connection may have to be shorter to meet the optical power budget and Ethernet repeater rules.

Table 2. 10BASE-FL cable and connector combinations

Number of in-line	62.5/125-∝m	50/125-∝m
fiber-to-fiber	cable	cable
connections
0	2000 m (6560 ft)	2000 m (6560 ft)
1	2000 m (6560 ft)	2000 m (6560 ft)
2	2000 m (6560 ft)	2000 m (6560 ft)
3	2000 m (6560 ft)	1710 m (5620 ft)
4	2000 m (6560 ft)	1430 m (4690 ft)
5	2000 m (6560 ft)	1140 m (3750 ft)
6	1750 m (5740 ft)	860 m (2810 ft)
7	1500 m (4920 ft)	570 m (1870 ft)
8	1250 m (4100 ft)	290 m (940 ft)
9	1000 m (3280 ft)	0
10	750 m (2460 ft)
11	500 m (1640 ft)
12	250 m (820 ft)
13	0

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