Huawei OptiX RTN 980 Quick Installation Manual page 27

b
Installing the NM Cables (for Multiple Interconnected NEs at a Site)
EXT NMS/COM EXT
NMS/COM
NOTE
Assemble a crossover cable or a straight-through cable on site.
Ensure that the interconnected network cables do not form a loop and the standby CSH/CSTA board is not
connected to another network cable.
10
Installing Orderwire Phone Cables
The AUX board provides the PHONE port.
PHONE
AUX board
24