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Demand test descriptions and error codes - Avaya Support

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BRI-PORT (ISDN-BRI Port)<br />

This section covers the maintenance documentation for ISDN-BRI ports. Some of the results of<br />

maintenance <strong>test</strong>ing of ISDN-BRI ports may be affected by the health of the ISDN-BRI Line<br />

circuit pack (BRI-BD), BRI endpoint (BRI-SET), or ASAI adjunct (ASAI-ADJ/LGATE-ADJ/<br />

LGATE-AJ) or <strong>Avaya</strong> adjunct (ATT-ADJ/ATTE-AJ). These interactions should be kept in mind<br />

when investigating the cause of ISDN-BRI port problems. For more information about the circuit<br />

pack, see:<br />

● BRI-BD (ISDN-BRI Line Circuit Pack)<br />

● BRI-SET, Various Adjuncts<br />

<strong>and</strong> for more information about its endpoints, see:<br />

● ASAI-ADJ (ASAI Adjunct)<br />

● ATT-ADJ (<strong>Avaya</strong> Adjunct)<br />

● LGATE-AJ (Ethernet ASAI Endpoint)<br />

Figure 4: ISDN-BRI Port Interactions<br />

Switch<br />

BRI line<br />

circuit pack<br />

Port<br />

D-channel<br />

B-channel<br />

B-channel<br />

Logical connection<br />

Physical connection<br />

bripor1 LJK 072501<br />

Voice or<br />

data terminal<br />

Voice or<br />

data terminal<br />

Issue 5 May 2009 217

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