Vanguard Managed Solutions Vanguard 342 - Manual (Page 49)

Hardware Description 2-9
Vanguard Daughtercards
4-Port Voice FXO
Daughtercard The Vanguard Quad FXO Daughter Card is supported on the Vanguard 342. The
4-Port Voice FXO Daughtercard has four RJ11 connectors for four FXO Ports.The
new software for this card is in release 6.0 and greater.
Figure 2-8 shows the 4-Port Voice FXO Daughtercard connectors as they appear on
the back panel.
Figure 2-8. FXO Daughtercard
FT1/FE1 The FT1/FE1 Daughtercards allow the Vanguard 342 to transfer data over a T1 or E1
network. The daughtercards support these full and fractional T1 or E1 speeds:
• The FE1 Daughtercard provides line rates 2.048 Mbps and data rates of
n x 64 kbps (where n is 1 to 31) per channel.
• The FT1 Daughtercard provides line rates 1.544 Mbps and data rates of
n x 56 kbps (where n is 1 to 24) per channel.
Figure 2-9 shows the FT1 and the FE1 Daughtercard connectors as they appear on
the back panels. The FT1 Daughtercard has a single RJ48C connector while the FE1
Daughtercard has two BNC connectors along with one RJ48C connector.
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Figure 2-9. FT1 and FE1 Daughtercard Connectors
Note
The FE1 Daughtercard comes with a label “!” which means that the user should
refer to the Vanguard Daughtercard Installation Guide. The purpose is to point
out that the E1 interface complies with the Australian requirements ACA
TS-016-1997 for connection to E1 SELV services. The E1 interface meets the
IEC 60950 specifications for TNV1.
FXO-3 FXO-4 FXO-2 FXO-1
T1 NTWK
ALARM
E1 RX TX NTWK
ALARM