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893-839-C A-3

Speciﬁcations for the BayStack Model 105 Fiber Hub

Table A-1 lists the maximum (total) distance allowed in the ﬁber connection for

the most common cable and connector combinations (assuming the maximum

permitted attenuation with ST connectors). However, your ﬁber connection

may have to be shorter to meet the optical power budget and Ethernet repeater

rules.

Table A-1. Fiber distance maximums

Number of in-line

fiber-to-fiber

connections

62.5/125-µm

cable

50/125-µm

cable

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

893-839-CBook Page 3 Thursday, December 12, 1996 4:18 PM

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Bay Networks CM 100 Bedienerhandbuch Seite 53