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A-8 Vanguard Multiport 4520CP Controller User’s Guide
FIGURE 11. Straight-through synchronous modem cable
Connecting Other Synchronous Devices
Figure 12 shows the null-modem cable design for connecting Vanguard Multiport
controllers to synchronous DTE devices.
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Vanguard Multi-
port Connector
Modem
Connector
Modem
Cable
DTE DCE