User's Manual

ALFOplus 24GHz (North America) - Release 01.05.0x - MN.00395.E - 004 29
6.2.2 Ethernet optical interface characteristics
The optical interface can be specialized for the different applications by insertion of the proper transceiver
on the unit.
• Gigabit optical Ethernet connector: LAN1 SFP 100/1000BaseX
• Fiber max length depending on SFP module (see Tab.5
)
Tab.5 - Interface characteristics
56
4QAMs 72.8 69.7 67.9 66.9 66.4 66.3 66.0
4QAM 97.6 93.6 91.2 89.9 89.2 89.0 88.6
16QAMs 146.1 139.7 136.1 134.2 133.2 132.9 132.3
16QAM 189.8 191.5 176.8 174.3 173.0 172.6 171.8
32QAM 220.4 210.8 205.4 202.5 201.0 200.5 199.6
64QAM 272.7 260.8 254.1 250.5 248.7 248.0 246.9
128QAM 325.0 310.9 302.8 298.6 296.3 295.6 294.3
256QAM 377.3 360.9 351.6 346.6 344.0 343.2 341.7
512QAM 430.0 411.3 400.7 395.0 392.1 391.1 389.4
1024QAM 482.3 461.3 449.4 443.0 439.7 438.7 436.7
Parameter
Gigabit 100 Mbit/s
Single Mode Multi Mode Multi Mode
9/125 µm 50/125 µm 62.5/125 µm 50/125 µm 62.5/125 µm
Operating Distance up to 10km up to 550m up to 2km
Optical Center Wavelength 1310 nm 850 nm 1310 nm
Optical Transmit Power -3 ÷ -9.5 dBm -2 ÷ -9.5 dBm -14 ÷ -22 dBm
Receive Sensitivity -19 dBm -17 dBm -29 dBm
Average Receive Power
Max
-3 dBm 0 dBm -14 dBm
Link Power Budget 9.5 dB 7.5 dB 7 dB
Compliance
1000BaseLX
IEEE 802.3z
1000BaseSX
IEEE 802.3z
100BaseFx IEEE 802.3z
Transceiver Type SFP plug-in
Connectors Type LC
Bandwidth (MHz) Modulation
Frame size (byte)
64 128 256 512 1024 1518 10000