NOTE: If replacing the single-mode SFP modules with multi-mode modules, the single-
mode patch
lead between the SFP module and the MST Composite Cable connector on the inside
of the housing needs to be replaced with a multi-mode patch lead.
JB11 junction boxes can be connected inline between any two units in the chain to
supply power. There is no need to isolate NS50 units to a single power source.
1.3.2 Ethernet Ports
The NS50 has four external Ethernet ports, that enable connection to other networking devices.
The four Ethernet ports also provide IEEE 802.3af PoE (Power over Ethernet) injector functionality,
allowing a single cable to be used for data and power to network devices. Each Ethernet port's
functionality can be configured by the web browser interface, or by centralised configuration
management. For more information on configuring Ethernet ports, see Configuring the VLAN Port
Map on Page 79.
1.3.3 Wireless Access
Wireless connectivity in each NS50 is implemented using a WAC (Wireless Access Card), consisting
of a wireless network processor and an integrated mini PCI 802.11b/g adapter.
A NS50 can contain up to two WACs. The WAC contained in the first radio card slot (on the left side)
also acts as the management CPU for the switch processor. As such, it is mandatory that this WAC is
fitted to each unit. The WAC operational parameters can be configured through the web browser
interface or by centralised configuration management. For more information, see Configuring
Wireless Radio on page 63 and Editing Site Configuration Files on page 91.
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