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2.0 Mb DTI/PRI Administration and Maintenance Guide Book ... - Home

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Chapter 11 — ISL Implementation <strong>and</strong> <strong>Maintenance</strong> Page 999 of 1536<br />

ISL in Dedicated Mode using Leased Line<br />

The following hardware is required:<br />

— NTAK02 SDI/DCH D-channel H<strong>and</strong>ler Interface<br />

— Modem capable of the following: (such as Ventel 2400-33 or 2400 Plus<br />

II)<br />

• minimum of 2400 baud<br />

• synchronous operation<br />

• must support leased line (also known as private line or<br />

point-to-point) operation<br />

— NTAK19BA 4-Port SDI Cable<br />

Figure 133<br />

ISL in Dedicated Mode using Leased Line<br />

Meridian 1<br />

Option 11<br />

NTAK02<br />

DCHI<br />

ISL D-channel<br />

leased lines<br />

modem<br />

•<br />

•<br />

ISL<br />

Analogue/digital<br />

TIE trunks<br />

modem<br />

NTAK19BA<br />

QCAD42A<br />

Meridian 1 or SL1<br />

DCHI<br />

Option 11C <strong>2.0</strong> <strong>Mb</strong> <strong>DTI</strong>/<strong>PRI</strong> <strong>Administration</strong> <strong>and</strong> <strong>Maintenance</strong> guide

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