5.7.2 4G.SHDSL-1-Port-4-Channel G.SHDSL WAN Interface Card
The 4G.SHDSL is the G.SHDSL service access module on the AR routers.
G.Single-Pair High-Speed Digital Subscriber Line (G.SHDSL) uses trellis coded pulse
amplitude modulation (TCPAM), provides up to 5.696 Mbit/s symmetric data rates, and supports
2/3/4-pair binding. The transmission rate can automatically adapt according to the line length
and conditions. G.SHDSL provides a longer transmission distance than ADSL.
Functions and Applications
Functions
The 4G.SHDSL provides 4-channel G.SHDSL access and the independent CPU as well as
management interfaces.
The 4G.SHDSL consists of the following modules:
l CPU control module: manages the system and loads programs.
l G.SHDSL module: processes G.SHDSL services on CPEs.
l GE upstream module: provides one upstream interface to communicate with the active and
standby SRUs.
l Power supply module: conducts power from backplane to card.
l Clock module: provides three types of working clocks for cards.
Applications
The 4G.SHDSL can be installed into the SIC slot of the AR1200, AR2220, AR2240 and AR3260.
Panel and Interfaces
Figure 5-27 shows the appearance of the 4G.SHDSL.
Figure 5-27 Appearance of the 4G.SHDSL
Buttons and Indicators on the Panel
Table 5-89 describes the buttons and indicators on the 4G.SHDSL panel.
Huawei AR1200&2200&3200 Series Enterprise Routers
Hardware Description 5 Cards
Issue 03 (2012-04-20) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
119
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