Dialogic Vision TIGI2U 설치 - 페이지 9

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Connecting to a T1 network

Note: Connecting to a T1 network is not applicable in an IP deployment.

For typical T1 communications, each trunk interface connects to a channel service

unit (CSU), which is connected to a T1 trunk line. The CSU provides a DSX-1

interface to the T1 line, and also contains circuitry that enables the central office

(CO) to perform diagnostic tests remotely.

The following illustration shows the Vision Server TIGI2U trunk interface with the

CSU:

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T I G I 2 U

You can purchase or lease the CSU from the telephone company or other vendor.

Warning:

To avoid causing T1 service provider alarms, make sure that the Vision Server

TIGI2U always sends a valid signal, either by looping back at the CSU or by

connecting the CSU to a functioning Vision Server TIGI2U. The best way to provide a

loopback is to unplug the cable from the Vision Server TIGI2U to the CSU. The

modular connector on most CSUs loops back the transmit signal to the receive signal

when nothing is plugged in.

Connecting T1/E1 trunk and SS7 signaling cables

Note: Connecting T1/E1 trunk and SS7 signaling cables is not applicable in an IP

deployment. Connecting SS7 signaling cables is not applicable in an ISDN

deployment.

Use shielded cables to connect telecom trunks or SS7 signaling connections to

Dialogic® MD1 RJ-45 interfaces. Trunk interfaces are combined in dual-trunk jacks.

If necessary, you can separate the dual-trunk jacks using the following components:

•

For more information, contact a Dialogic representative.

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The cables attached to this product must be isolated by a channel service unit (CSU)

before the cables leave the building.

Trunk adapter cables separate the Dialogic® MD1 RJ-45 dual T1/E1 interface

into two RJ-48C interfaces.

A rack-mounted signal entry panel splits the Dialogic® MD1 RJ-45 interfaces

into pairs of RJ-48C connectors.

Installing the Dialogic® Vision™ Server TIGI2U

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