H3C Technologies H3C SR6600-X - Manual (Page 41)

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Figure 42 RS449 DTE cable
Figure 43 RS449 DCE cable
Figure 44 RS530 DTE cable
Figure 45 RS530 DCE cable
Connecting a serial port cable
1. Check port type of the peer device and choose the synchronous serial interface cable of correct
type.
2. Plug the D28 end of the synchronous serial interface cable into the D28 interface of the SAE
interface module.
3. If the WAN uses DDN line, connect the cable to the port of the CSU/DSU.