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Hardware Description 2-11
Vanguard Daughtercards
Vanguard Daughtercards
Introduction The Vanguard 6455 and 6435 can support these standard Vanguard Daughtercards:
• DIM (X.21/V.24/V.35/V.36) Daughtercard
• 56K DSU/CSU Daughtercard
• ISDN BRI-U Daughtercard
• ISDN & enhanced ISDN BRI S/T Daughtercards
• ISDN BRI Voice Daughtercard
• RemoteVU (video) Daughtercard
• 1-Port Voice Daughtercard (FXS/FXO)
• 2-Port Voice FXS Daughtercard
• 4-Port Voice FXS Daughtercard
• 4-Port Voice FXO Daughtercard
• Dual E&M Daughtercard
• FT1/FE1 Daughtercards
• V.34 Modem
• V.90 Modem
• G.SHDSL
This section briefly describes these cards.
For instructions for installing these cards, refer to the Vanguard Daughtercard
Installation Guide (Part Number T0020).
Note
For information regarding Enhanced Vanguard Daughtercards, turn to the
“Enhanced Vanguard Daughtercards” on page 2-19.
Daughtercard
Compatibility
Older Vanguard Daughtercards do not fit into the Vanguard 6435/6455. You can only
use the newer daughtercards which are identified by a dimple as shown in
Figure 2-9. If the dimple is not present, do not attempt to use the Daughtercard in the
Vanguard 6435/6455.
Also, when installing a Vanguard Daughtercard into a 6435/6455, you must use the
shorter two-sided header. The taller header is used with other Vanguard units.
Figure 2-9. New Vanguard 6435/6455 Daughtercard Example
Caution
If you attempt to force an older Vanguard Daughtercard into a Vanguard 6435/6455,
the equipment will be damaged.
Dimple
DSU