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17–2
NMS Capable Models
All ZyXEL rack models except the RE and RE+ models are NMS capable, but only
the model with the N suffix has the secondary channel capability. A secondary
channel is necessary for remote control and hierarchical control. For a large central
site local control, the secondary channel is not needed. Also, for dial-up use, like a
couple of racks for a multi-line BBS, remote control and hence a secondary channel
is usually not needed. The stand-alone LCD model Supreme 2864LN is equipped
with a secondary channel. When it is installed on the end node of a hierarchical
modem network, it is remote controllable.