Connecting A Serial Port Cable - H3C SR6602-X1 AC Installation Manual

Figure 43 RS449 DCE cable
Figure 44 RS530 DTE cable
Figure 45 RS530 DCE cable

Connecting a serial port cable

Check port type of the peer device and choose the synchronous serial interface cable of correct
1.
type.
Plug the D28 end of the synchronous serial interface cable into the D28 interface of the SAE
2.
interface module.
If the WAN uses DDN line, connect the cable to the port of the CSU/DSU.
3.
Check the LINK LED on the SAE panel.
4.
If the LED is on, a link is present.
If the LED is off, a fault has occurred on the link and signal is out of synchronization. In this
case, check the link.
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