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Connections
Servicing Procedures
WARNING: The ST24A/ST48A Voice Switch contains no internal field serviceable parts. Return
the equipment to Mitel for any required service procedures.
CAUTION: Internal fuses should be serviced only by qualified Mitel personnel. If internal fuses
are blown and require replacement, return the ST24A/ST48A Voice Switch to Mitel for service.
WARTUNGSVERFAHREN
ACHTUNG: Der ST24A/ST48A Voice Switch enthält keine internen Teile, die vor Ort gewartet
werden können. Senden Sie das Gerät an Mitel, falls Wartungsarbeiten erforderlich sein sollten.
VORSICHT: Interne Sicherungen dürfen nur von qualifizierten Mitel-Mitarbeitern gewartet
werden. Wenn interne Sicherungen ausgetauscht werden müssen, senden Sie den ST24A/
ST48A Voice Switch zur Wartung an Mitel.
Connecting the Voice Switch to the Network
Once the ST24A/ST48A Voice Switch is secured to a rack or placed on a surface, you can
connect it to the data network.
Use an RJ-45 Ethernet cable to connect one or both of the LAN ports to the
network subnet.
While both ports can detect and respond to link status, the switch creates a
data connection on only one LAN port at a time.
Powering on the Voice Switch
After connecting the switch to the network, power on the device by connecting it to an AC power
source.
1 Plug an AC surge protector (not provided) into a grounded AC power source.
2 Plug one end of the provided power cord into the receptacle on the back of the switch, then
plug the other end into the AC surge protector.
The power LED flashes momentarily, and remains lit.
• If the LED is not lit, verify the power cord is plugged into the switch and the power source.
• If the LED continues flashing, there is an internal error. Unplug the switch to power it off, then
power it back on. Refer to the "Configuring Switches" chapter in the Mitel Connect System
Administration Guide for information on flash patterns, or contact technical support at
http://www.mitel.com/shoretel.
The LAN ports auto-sense the network transport rate. When the network connection is
established, the network LED indicates a transport rate of 10/100/1000 Mbps, and whether the
switch is receiving and transmitting data.
Optional Connections
After connecting the switch to the LAN, you can make optional connections, including input from a
music-on-hold source or output to your internal paging system.
1 Connect a music-on-hold source (CD player or other audio source)
to the audio input port.
2 Connect your site's paging system to the audio output port. You can
use a paaging adapter to facilitate paging connections. Refer to the
Paging Adapter (PA-1) Quick Install Guide for more information.
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