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Chapter 4
User manual
Technical specifications
36
4.2
VDSL and ADSL line specifications
• Single pair line access
• Connector: RJ11
• Impedance: 135 ohm
• Cable to be used: CAT5E twisted pair
• Coding compliant to:
- ANSI T1.413 Issue 2
- ETSI TS 101 388 v1.3.1
- ITU-T G.992.1 (ADSL G.dmt), ITU-T G.992.2 (ADSL G.Lite), ITU-T G.992.3 (ADSL G.dmt.bis)
ITU-T G.992.4 (ADSL2), ITU-T G.992.5 (ADSL2plus) - annex A & B
- ADSL2+ Annex M (optional)
- ADSL EOC and HLOG (attenuation)
- ITU-T G.993.1 (VDSL), ITU-T G.993.2 (VDSL2); VDSL2 profiles 8a, 12a, 17a & 30a annex A & B
with ADSL2+ fallback
- VDSL Interop: Ikanos and Broadcom (UPBO and EL)
• Performance monitoring: compliant G.826 (errored seconds, severely errored seconds, unavailability
seconds)
The line connector lay-out
The following table shows the connector layout of the RJ11 line connector:
Pin
Signal
Figure
1
not used
2
Tip
3
Ring
4
not used
