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"Gigabit Ethernet flux budget and loss characteristics" (page 107)
flux budget, loss, and safety margin characteristics for each transceiver type.
Gigabit Ethernet flux budget and loss characteristics
Transceiver
Flux
Budget
(dB)
7.5
1000BaseSX
7.5
1000BaseSX
1000BaseSX
7.5
7.5
1000BaseSX
1000BaseLX
16.8
1000BaseLX
16.8
1000BaseLX
16.8
16.8
1000BaseLX
18.8
1000BaseXD
22
1000BaseZX
1000BaseAPD
30
1000BaseT GBIC
Cable specifications
8608GTE and 8608GTM modules
Physical specifications
Height:
1.5 in. (3.8 cm)
Copyright © 2005-2007, Nortel Networks
.
Patch
Remaining
Loss
Flux
(dB)
Budget
(dB)
1.0
6.5
1.0
6.5
1.0
6.5
1.0
6.5
1.0
15.8
1.0
15.8
1.0
15.8
1.0
15.8
1.0
17.8
1.0
21.0
1.0
29.0
Type:
Category 5 copper unshielded twisted pair (UTP)
Maximum
328 ft (100m)
distance:
Nortel Metro Ethernet Routing Switch 8600
Installation — Modules
NN46220-306 02.02 Standard
4.2 7 July 2008
8608GTE and 8608GTM modules 107
Fiber
Flux
Sug.
Loss
Budget
Safety
(dB/K
with
Margin
m)
Safety
(dB)
Margin
(dB)
3.5
3.5
3.0
3.5
3.5
3.0
3.5
3.5
3.0
3.5
3.5
3.0
1.0
12.8
3.0
1.5
12.8
3.0
1.5
12.8
3.0
0.4
12.8
3.0
0.4
14.8
3.0
0.3
18.0
3.0
0.3
23.6
5.4
lists the
Max.
Fiber
Length
/ Sug.
Max.
Fiber
Length
(Km)
1.9 / 1.0
1.9 / 1.0
1.9 / 1.0
1.9 / 1.0
15.8 /
12.8
10.5 / 8.5
10.5 / 8.5
39.5 /
32.0
44.5 /
37.0
70.0 /
60.0
96.7 /
78.7
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