H3C MSR Router Comware 5 Series Manual page 185

Cable
RS-449
DCE
cable
RS-530
DTE
cable
RS-530
DCE
cable
Connecting the 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 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.
Appearance
1 × D28 < ---- > 1 × D37 (female)
1 × D25 (male) < ---- > 1 × D28
1 × D25 (female) < ---- > 1 × D28
176
Applicable models