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Appendix A
Pin
Signal X.21
7 Signal
Ground
9 RXDa
10 RXDb
11 TXDb
12 TXDa
13 CNTb
14 CNTa
16 INDb
21 SETb
22 SETa
23 INDa
Table 9: Serial Port X.21 Signals
Note:
Pins not listed are not used.
Cabling
This section provides information on the cables used to connect the SmartNode and the interface
cards to the existing network infrastructure and to third party products.
Serial Console
The SmartNode can be connected to a serial terminal over its serial console port, as depicted in
Figure 3.
Figure 3: Connecting a Serial Terminal
Ethernet 10BaseT and 100BaseT
Ethernet devices (10BaseT / 100BaseT) are connected to the SmartNode o to an interface card over a
cable with RJ-45 plugs. Use a crossover cable to a host, or a straight cable to a hub. See Figure 4 (host)
and Figure 5 (hub) for the different connections.
Hardware Installation Guide, Revision 3.11
Summary of Contents for SmartNode 1000 Series
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