Model 3086 G.SHDSL Integrated Access Device User Guide | 4 • Basic Application Configurations |
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Line Build Out: Select from 100 ohm (0dB), 100 ohm
FDL Mode: Options are
Idle code: Enabled, Disabled. When enabled, the 2603 inserts idle codes on unused timeslots. Set this option to ‘Disabled’ unless instructed otherwise.
Power Down: Normal, Powered Down. When powered down, T1/E1 transceiver input and output lines will be set to high impedance to protect the
Once all options have been selected, click on the Configure and Activate at the bottom of the screen. Addition- ally, save the configuration by going to the Configuration > Save Config menu.
E1 Interface
The 3086 enables T1 or E1 device located at customer locations to access a carrier’s network over two wire, long reach DSL links. This capability allows providers to offer T1/E1 services at customer locations that were previously outside the reach of standard T1/E1 lines.
The 3086 offers a user configurable T1 or E1 interface. Selection of the interface is done via DIP switches, HTTP/SNMP, or command line interface (CLI).
The E1 interface is presented on both a modular,
Figure 11. E1 interface with RJ-48C jack (120–ohm) and dual BNC (75-ohm) connectors
E1 Interface Connection
The 3086 will usually connect either to a local E1 device, or to a Telco terminated E1 line jack.
•To connect to the 3086 E1 port and a local E1 device (PBX, router, mux) use a E1 ‘crossover’ twisted pair cable. A crossover cable connects the transmit pins of the Model 3086’s E1 port to the receive pins of the device attached to this port and vice versa. Check the third party E1 equipment documentation for pinout
E1 Interface | 49 |
