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Configuring the E1 + G.703 and T1 + DSX-1 Modules
Quick Start
3. Configure frame format. If your PBX uses the E1 frame format, you do not
need to enter any commands because this is the default setting. If your
PBX uses the CRC4 frame format, enter:
Syntax: framing crc4
ProCurve(config-e1 1/2)# framing crc4
4. Configure TS16 signaling.
ProCurve(config-e1 1/2)# ts16
5. Activate the G.703 interface.
ProCurve(config-e1 1/2)# no shutdown
Configuring the T1 + DSX-1 Module
Making the Physical Connection
1. Use UTP cabling with RJ-48C connectors to connect the T1 interface to
the wall jack provided by your public carrier.
2. Use crossover UTP cabling with RJ-48C connectors to connect the DSX-
1 interface to the PBX.
Assigning the Channels to the T1 Interface
When you configure a DSX-1 interface, you first configure the T1 interface to
handle the data communications. As part of this configuration, you assign the
number of channels that you will use for data to the T1 interface, and the
remainder of the channels are automatically passed to the DSX-1 module.
In addition, you can configure the clock source (rather than simply accepting
the default setting of line). For a T1 + DSX-1 module, the clock source is set
only on the T1 interface.
To assign the channels to the T1 interface, complete these steps:
1. From T1 interface configuration mode context, enter the following
command:
Syntax: interface t1 <slot>/1
Replace <slot> with the slot number where the T1 module is housed. For
example, if the T1 module is in slot 1, enter:
ProCurve(config)# interface t1 1/1
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