Black Box GSHDSL Two-Wire Extender/NTU manual Connect the Serial Port, Additional Information

Black Box G.SHDSL.bis NTU

2.Plug one end of the cable into the RJ-45 socket (labelled DSL) on the Black Box NTU.

•If you are connecting to a DSL service, plug the other end of the cable into the RJ-45 wall socket that provides your G.SHDSL service.

•If connecting to another Black Box, verify the other end of the cable is connected to the DSL port on other Black Box and the DSL port is correctly configured.

3.When a DSL link is established, the front-panel DSL LED will turn on.

4.CONNECT THE SERIAL PORT

Your Black Box comes with one of the following serial WAN ports for connection to an NTU:

•V.35 (DB-25F)—ME233A-R2

•X.21 (DB-15)—ME232A-R2

•E1 (120-Ohm RJ-48C and dual 75-Ohm BNC connectors)—ME231A-R2 Connect the serial cable to the Black Box serial port as follows:

1.Attach the male connector of the serial cable to the female serial connector on the Black Box.

2.Attach the other end of the cable to the serial connector on the local serial NTU.

NOTE: You can connect the V.35 interface to an M/34 connector using the interface adapter.

NOTE: You can configure the E1 interface to either recover the network clock from the E1 line or supply the network clock for the E1 line.

5. ADDITIONAL INFORMATION

For detailed information about installing, configuring, operating and troubleshooting, refer to the following.

To download the user manual for the ME232A-R2 using a Firefox® browser, go to

ftp://ftp.blackbox.com/manuals/M/ME232A-R2_user.pdf.

To download the user manual for the ME232A-R2 using an Internet Explorer® browser, go to ftp://ftp.blackbox.com/anonymous/manuals/M/ME232A-R2_user.pdf.