Connecting the ISDN gateway

Your ISDN connection

To reduce the risk of fire, use only 26 AWG or larger telecommunication line cord.

Outside North America

Check with your network provider to ensure that your incoming ISDN PRI line is terminated in an NTU/CSU (Network Termination Unit/ Channel Service Unit). If it is not, then seek their advice regarding the provisioning of such a device. Do not connect the ISDN gateway directly to an external ISDN line.

Within North America

If your network provider has not terminated all of your incoming ISDN PRI lines with an NTU/CSU, Codian recommends that you install a suitably approved CSU to protect the ISDN gateway from damage by surges on your ISDN PRI lines.

Step one: Connect to Ethernet Port A

Connect an Ethernet cable from Ethernet Port A to an Ethernet switch (rather than a hub, to minimize interference from other devices on the network). The Ethernet port is a 10/100/1000 Mbps auto-sensing connection.

Only connect to Ethernet Port A. Ethernet Port B is reserved for future

iexpansion; do not connect anything to Ethernet Port B.

Step two: Connect to the ISDN ports

The ISDN gateway uses a standard RJ48C ISDN interface for each PRI port.Use a single straight-through STP patch cable to connect each PRI port on the ISDN gateway to your ISDN connection.

For information about the behavior of the ISDN port LEDs, refer to Table 1, ISDN gateway LED behavior, on page 2.

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Tandberg Data MSE 8321 manual Connecting the Isdn gateway, Your Isdn connection, Step one Connect to Ethernet Port a

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