Serial plus Ethernet Traffic
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Model 3086 G.SHDSL Integrated Access Device User Guide
4 • Basic Application Configurations
tion, when connecting two LAN segments over DSL, the 3086 offers options for Routed or Bridged services.
The following example shows the configuration for connecting two LAN segments via DSL:
Selecting the DSL link speed
In this example a maximum DSL speed of 2.3Mbps (36 Timeslots of 64kbps each) will be selected, Using the
CLI enter the following command:
→
gshdsl set dslrateTS 36 <enter>
Selecting PCM mode
The PCM mode selection tells the Model 3086 Whether the DSL link will carry serial data (from serial port),
Ethernet data (from Ethernet port), or both Serial and Ethernet.
In this example we will set the PCM mode for Serial and Ethernet data.
At the command prompt type:
→
gshdsl set pcmmode EthernetandSerial <enter>
Assigning bandwidth to serial and Ethernet ports
In this example, half of the bandwidth 1.152 Mbps (18 TS) assigned to the serial port and the other half
1.152 Mbps (18 TS) assigned to the Ethernet port.
From the CLI command prompt type:
→
gshdsl set serialTS 18 <enter>
Note
Enter the required bandwidth in number of 64kbps time slots for the
serial port, the 3086 automatically assigns the rest of the bandwidth
to the Ethernet ports. For example, if the total DSL bandwidth is
2.3 Mbps (36 TS), assigning 1.152 Mbps (18 TS) to the serial port,
automatically assigns the rest of the DSL bandwidth (18 TS) for
Ethernet traffic.
When the 3086 carries both Serial and Ethernet traffic, it places serial data in the upper timeslots of the DSL
frame, and Ethernet timeslots to the lower portion of the DSL frame. In the example above, Ethernet data (18
TS) occupies timeslots from 1–18, while serial data (18 TS) is carried in TS 19–36 of the DSL frame.
Central or Remote terminal (Master/Slave)
In a point-to-point deployment, one the two 3086s IAD must be set to Central (master), and the other to
Remote (slave).
•
For 3086 A at the prompt type
gshdsl set terminal central <enter>
•
For 3086 B type
→
gshdsl set terminal remote
Interface Type
Selects between HDLC and ATM transport. To select HDLC for both 3086 type:
→
gshdsl set interface hdlc <enter>
