Vanguard 342 Manuel d'installation télécharger pdf (Page 50)

2-10 Hardware Description

Vanguard Daughtercards

Dual E&M The Dual E&M Daughtercard has two E&M interfaces. The ports use RJ11

connectors.

Figure 2-10 shows the Dual E&M Daughtercard connectors as they appear on the

back panel.

Figure 2-10. Dual E&M Daughtercard Connector

ISDN BRI-U Data This card provides 2B+D Channel through an ISDN BRI U interface. It conforms to

ANSI T1.601 1992 (2B1Q), is LAPD:ITU Q.921 compliant, and supports the

following:

• Integral X.31

• Q.931 dial support

• NI1, 5ESS, DMS-100 switch types

• D Channel Packet Mode

• Leased Circuit Services (I Interface)

• Japan High-Speed Digital

Figure 2-11 shows the ISDN BRI-U Daughtercard connector as it appears on the

back panel.

Figure 2-11. ISDN BRI-U Daughtercard Connector

BRI U

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Vanguard 342 Manuel d'installation Page 50