Motorola 49901 - Vanguard 340 Router, Инструкция по эксплуатации

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Hardware Description 2-13
Vanguard Daughtercards
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 2-13 shows the ISDN BRI-U Daughtercard connector as it appears on the
back panel.
Figure 2-13. ISDN BRI-U Daughtercard Connector
ISDN and
Enhanced ISDN
BRI-S/T Data
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 2-14 shows the ISDN BRI-S/T Daughtercard connectors as they appear on
the back panel.
Figure 2-14. 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).
BRI U
S-BUS
100
Ω
HI Z
S-BUS BRI S
BRI-S/T DATA
LINK
D-ACT
TERMINAL LINE
Enhanced