Chapter 16 xDSL Port Setup
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IGMP Filter Profile
The IGMP filter profile defines which multicast groups a port can join. Select a
profile of IGMP filter settings to assign to this port. Use the
IGMP Filter Profile
screen to configure IGMP filter profiles (see
ADSL2/2+ feature
These are features available with ADSL2/2+. The subscriber’s ADSL device
must also support the individual features in order to use them. At the time of
writing these features have not been fully tested and their performance and
interoperability cannot be guaranteed.
Annex L
Enable Annex L to use reach extended ADSL2. This allows increased
connection distances.
PMM
Enable the Power ManageMent (PMM) feature to reduce the amount of power
used overall and reduce the instances of the connection going down. PMM
increases or decreases the transmission power based on line conditions. PMM
also decreases the number of service interruptions.
Select
L2
to have the ADSL connection use power saving mode and reduce the
rate when there is no traffic. The rate comes back up when there is traffic.
Select
L3
to use both power management modes L2 and L3. L3 puts the ADSL
connection to sleep mode.
L0 power mode uses no power reduction. See the ITU-T G.992.3 standard for
more on PMM and the power modes (states).
SRA
Enable Seamless Rate Adaptation (SRA) to have the IES-1248 automatically
adjust the connection’s data rate according to line conditions without
interrupting service.
Sudden spikes in the line’s noise level (impulse noise) can cause errors and
result in lost packets. Set the impulse noise protection minimum to have a buffer
to protect the ADSL physical layer connection against impulse noise. This
buffering causes a delay that reduces transfer speeds. It is recommended that
you use a non-zero setting for real time traffic that has no error correction (like
videoconferencing).
US INP
Set the minimum upstream (US) impulse noise protection setting.
DS INP
Set the minimum downstream (DS) impulse noise protection setting.
Max US TX Power
Specify the maximum upstream transmit power (-256 ~ 255 in 0.1dBs).
Max DS TX Power
Specify the maximum downstream transmit power (-256 ~ 255 in 0.1dBs).
L0 Time
Set the minimum time (in seconds) that the ADSL line must stay in L0 power
mode before changing to the L2 power mode.
L2 Time
Set minimum time (in seconds) that the ADSL line must stay in the L2 power
mode before reducing the power again in the L2 power mode.
L2 ATPR
Set the maximum Aggregate Transmit Power Reduction (ATPR) in decibels
(dB) that is permitted in a L2 power reduction. The system can gradually
decrease the ADSL line transmission power while it is in the L2 power mode.
This is the largest individual power reduction allowed in the L2 power mode.
L2 ATPRT
Set the maximum Aggregate Transmit Power Reduction Total (ATPRT) in
decibels (dB) that is permitted in the L2 power mode. This is the total transmit
power decrease that is allowed to occur in the L2 power mode.
Max L2 Rate
Set the maximum transfer rate (in Kilobits per second) that is permitted while the
port is in the L2 power mode. The supported range is 32~4096 Kbps in 4 Kbps
increments. If you enter a number that is not a multiple of 4, the system uses the
next lower multiple of 4. If you enter 39, for example, the system will use 36. Set
this to 0 to have the system automatically assign a value.
Table 20
xDSL Port Setting (continued)
LABEL
DESCRIPTION
Содержание IES-1248-71
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Страница 116: ...Chapter 13 Switch Setup IES 1248 71 73 User s Guide 116 ...
Страница 118: ...Chapter 14 IP Setup IES 1248 71 73 User s Guide 118 ...
Страница 150: ...Chapter 17 xDSL Profiles Setup IES 1248 71 73 User s Guide 150 ...
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Страница 166: ...Chapter 19 VLAN IES 1248 71 73 User s Guide 166 ...
Страница 184: ...Chapter 22 Multicast VLAN IES 1248 71 73 User s Guide 184 ...
Страница 216: ...Chapter 30 2684 Routed Mode IES 1248 71 73 User s Guide 216 ...
Страница 222: ...Chapter 31 PPPoA to PPPoE IES 1248 71 73 User s Guide 222 ...
Страница 226: ...Chapter 32 DSCP IES 1248 71 73 User s Guide 226 ...
Страница 240: ...Chapter 36 Syslog IES 1248 71 73 User s Guide 240 ...
Страница 248: ...Chapter 37 Access Control IES 1248 71 73 User s Guide 248 ...
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Страница 259: ...Chapter 39 Alarm IES 1248 71 73 User s Guide 259 ...
Страница 260: ...Chapter 39 Alarm IES 1248 71 73 User s Guide 260 ...
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Страница 296: ...Chapter 44 Commands IES 1248 71 73 User s Guide 296 ...
Страница 304: ...Chapter 45 Command Examples IES 1248 71 73 User s Guide 304 ...
Страница 320: ...Chapter 47 DHCP Commands IES 1248 71 73 User s Guide 320 ...
Страница 328: ...Chapter 48 IEEE 802 1Q Tagged VLAN Commands IES 1248 71 73 User s Guide 328 ...
Страница 334: ...Chapter 49 MAC Commands IES 1248 71 73 User s Guide 334 ...
Страница 348: ...Chapter 50 IGMP Commands IES 1248 71 73 User s Guide 348 ...
Страница 352: ...Chapter 51 Packet Filter Commands IES 1248 71 73 User s Guide 352 ...
Страница 362: ...Chapter 53 Firmware and Configuration File Maintenance IES 1248 71 73 User s Guide 362 ...
Страница 394: ...Chapter 55 ADSL Commands IES 1248 71 73 User s Guide 394 ...
Страница 418: ...Chapter 56 Virtual Channel Management IES 1248 71 73 User s Guide 418 ...
Страница 424: ...Chapter 57 ACL Commands IES 1248 71 73 User s Guide 424 ...
Страница 436: ...Chapter 58 Troubleshooting IES 1248 71 73 User s Guide 436 ...
Страница 437: ...437 PART VI Appendices and Index Product Specifications 439 Legal Information 449 Index 457 ...
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Страница 448: ...Appendix B Removing and Installing a Fuse IES 1248 71 73 User s Guide 448 ...
Страница 452: ...Appendix C Legal Information IES 1248 71 73 User s Guide 452 ...
Страница 464: ...Index IES 1248 71 73 User s Guide 464 ...