Vanguard Networks
Quick Reference Guide
Voice Daughtercards
Introduction This quick reference guide provides general information on Vanguard Networks
Voice Daughtercards.
Description The voice daughtercards described in this guide can in be installed in the following
Vanguard Networks devices:
• Vanguard 340E/342
• Vanguard 6435/6455
• Vanguard 6840/6841
Figure 0-1 shows the current Vanguard devices.
Note
The Vanguard Networks models 100, 305, 320, 340, and 6425/6430/6450 have
been sunset and are not covered in this manual.
--NODE UP--
Vanguard 6435/6455
Vanguard 340E/342
Vanguard 6840/6841
Figure 1. The Current Vanguard Networks Devices
Voice Daughtercards 1
Vanguard Voice Daughtercards
Figure 0-2 illustrates the current set of Vanguard Networks voice daughtercards and
their the applicable Vanguard Networks devices.
E&M1 E&M2
LOC
REM
Dual E&M Daughtercard
• 340E/342
• 6435/6455
• 6840/6841
FXO-1 FXO-2 FXO-3 FXO-4
4-Port FXO Daughtercard
• 340E/342
• 6435/6455
• 6840/6841
FXS
LOC
REM
FXO
LOC
REM
Dual FXS Daughtercard
• 340E/342
• 6435/6455
• 6840/6841
FXS-1 FXS-2 FXS-3 FXS-4
4-Port FXS Daughtercard
• 340E/342
• 6435/6455
• 6840/6841
BRI S
HI Z
100Ω
FXS-1 FXS-212
S-BUS
S-BUS
Standard Packaging
FXO/FXS Daughtercard
• 340E/342
• 6435/6455
• 6840/6841
ISDN BRI S/T
Voice Daughtercard
• 340E/342
• 6435/6455
• 6840/6841
Figure 2. Vanguard Networks Daughtercards and Applicable Devices
Vanguard Networks voice daughtercards are shipped with the standard components
shown in
Figure 0-3.
Note
All Vanguard products are manufactured with daughtercard standoffs installed
on the motherboard.
Screws With Locking Washers
Used to secure a daughtercard to the
motherboard and the daughtercard
backplate to the Vanguard’s back
panel.
68-pin Male-to-Male Interface Header
Used to connect a daughtercard to a
Vanguard motherboard.
Figure 3. Typical Daughtercard Installation Kit
2 Voice Daughtercards
Typical Daughtercard Installation Procedure
Refer to Figure 0-4, and follow this procedure to install a voice daughtercard into a
typical Vanguard Networks product (the Vanguard 340E/342 is shown):
Step Action
1 Power down the unit and remove the cables and power cord.
2 Remove the motherboard.
Caution
Exercise extreme care, when sliding the motherboard out, to prevent components mounted to the underside of the board from being knocked off.
3 Place the motherboard on a clean flat surface.
4 If you are... Then...
Adding a daughtercard Connect the 68-pin interface header onto the
motherboard.
Install this daughtercard in daughtercard slots for
Port 1.
Replacing a daughtercard
a) Remove the daughtercard mounting screw
that attaches the daughtercard to the board.
b) Unscrew the two rear panel coverplate
screws. Unplug the existing daughtercard. If
no daughtercard is installed, remove the
metal blanking plate.
c) Align the standoff on the motherboard with
the hole on the new daughtercard.
5 Push the daughtercard down into the connector being careful to align the
pins.
Do not apply excessive pressure when pushing the daughtercard into the
connector or you may damage the card.
6 Fasten the screw that attaches the daughtercard to the motherboard, then
fasten the two rear panel coverplate screws. Daughtercard replacement/
addition is complete.
7 Reinstall the motherboard by reversing Steps 1and 2.
Voice Daughtercards 3
Mounting Screws
Note
Extended voice daughtercard is
shown, requiring the use of two
mounting screws and two standoffs
Interface Header
Faceplate
Screws
Figure 4. Vanguard Network Device Typical Daughtercard Installation
4 Voice Daughtercards
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