E-240G-B unit data sheet
48
7368 ISAM ONT E-240G-B Product Guide
3FE-46261-AAAA-TCZZA Issue: 01
The E-240G-B ONUs are temperature hardened and can be installed:
• horizontally on a flat surface
• vertically attached to a wall
• in an outdoor enclosure
This ONU provides the following functions:
• network demarcation for all services
• 2 Gb/s downstream Turbo mode; see Section 5.4 for details
• DPoE multicast 2.0 message support
• 256 RAM and 256 Flash
• voice interworking function from the analog POTS lines to the VoIP/Ethernet
layers
• interworking functions between LLIDs and Ethernet layers
• mux and demux functions to the PON
• optical to electrical conversion
• optics that support received signal strength indication (RSSI)
• fiber tray for wall mounting
• on/off button
• Ethernet and POTS ports have Type 4 lightning protection
5.3 Optical parameters
The upstream wavelength operation for the E-240G-B ONU is as follows:
• minimum: 1290 nm
• typical: 1310 nm
• maximum: 1330 nm
For more details about the optical parameters, see the section “ONT optical budget”
in the Product Overview guide.
5.4 Turbo mode
The E-240G-B supports Turbo mode.
The 1490nm wavelength operation is run at 2.5 Gb/s downstream to allow greater
bandwidth on the PON in the downstream direction. Note that although the line rate
is 2.5 Gb/s, the downstream bandwidth available is 2 Gb/s.
The upstream wavelength remains at 1.25 Gb/s.
For more details about the optical parameters, see the section “ONT optical budget”
in the Product Overview guide.
Release 06.01.01 | June 2019 | Edition 09
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