Vanguard Managed Solutions 342 installation manual Isdn Enhanced Isdn BRI-S/T Data Isdn BRI Voice

ISDN and

Enhanced ISDN

BRI-S/T Data

ISDN BRI Voice

Vanguard Daughtercards

This card provides 2B+D Channel through a BRI S/T interface. It conforms to ITU I.430, is LAPD:ITU Q.921 compliant, and supports:

•Integral X.31

•Q.931 dial support

•NI1, 5ESS, DMS-100, ETSI, Euro Numeric switch types

•D Channel Packet Mode

•Leased Circuit Services (I Interface)

•Permanent B for German Monopol support or Japan High-Speed Digital

Figure 2-12shows the ISDN BRI-S/T Daughtercard connectors as they appear on the back panel.

BRI S HI Z	S-BUS	S-BUS	BRI-S/T DATA	TERMINAL	LINE
			LINK
100Ω			D-ACT

Enhanced

Figure 2-12. ISDN and Enhanced ISDN BRI-S/T Daughtercard Connector

Note

Termination options for the Release 6.3 and greater enhanced ISDN BRI ST data Daughtercards are set in the Configure menu, and are not controlled by switches. For more information, refer to the Vanguard Integrated Services Digital Network: ISDN Manual (Part Number T0103-06).

This card provides 2B+D Channel through a BRI S/T interface. It conforms to ITU I.430, is LAPD:ITU Q.921 compliant, and supports:

•Integral X.31

•ITU-T Q.931 (EURO IDSN) - ETSI switch type to connect to PBXs and public networks.

•ECMA 143 - QSIG Basic Service to connect to PBXs over private line.

•ECMA 165 - QSIG Generic Functions for Support of PBX Supplementary Services.

•ITU-T G.711A (A-law) and G.711U (∝ -law) interface voice encoding.

•ITU-T G.723, G729, and VanguardMS proprietary CVSELP packet voice compression.

Figure 2-13shows the ISDN BRI Voice Daughtercard connectors as they appear on the back panel.

BRI S HI Z S-BUS S-BUS

100Ω

Figure 2-13. ISDN BRI Voice Daughtercard Connectors

Hardware Description 2-11