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T est Equipment Connection to the LMF Chapter 3: LMF Oper ation
Disconnecting and Reconnecting the LMF and the COM port - The LMF can be
disconnected from the active COM port by using the Disconnect P or t button in the GPIB/COM
settings area of the T est Equipment tab. Disconnecting the LMF may be needed, for example,
to use a HyperT erminal connection for a hardware Man Machine Interface (MMI) communication
session. P erform the following to disconnect or reconnect the LMF and the selected COM port.
Procedure 3 -7 Disconnect and R econnect the LMF and the Activ e COM P ort
1
From the LMF window menu bar select T ools > Options .
Result: The LMF Options window opens.
2
If the T est Equipment tab is not in the forefront, click the tab to bring it forward.
3
Disconnect
the LMF from the active COM port: click the Disconnect Port button in
the GPIB/COM settings area.
4
Reconnect
the LMF to the active COM port: click the Detect button in the GPIB T est
equipment or Serial T est Equipment area.
5
If no other operations are required in the LMF Options window click Close to close
the window .
Ethernet Interface
The LMF computer Ethernet interface supports communication with test equipment which
uses the network connection method. This interface uses Internet Protocol (IP) addressing to
differentiate each node on the network. Motorola recommends that the Ethernet connection be
done through an Ethernet hub. The hub connects to the LMF computer , the test equipment, and
the base station Local Area Network (LAN). Connection details are as follows:
T est equipment to hub – This is an Unshielded T wisted P air (UTP) Ethernet cable with two
10/100Base–TX 8 -contact modular connectors.
LMF to hub – Use one of the following cable types to connect the LMF to the Hub:
• Ethernet cable. Be sure the computer Network Interface Card (NIC) is set for either AUTO
or to use the 8–contact modular connector only .
• Coaxial cable between NIC and Hub. F or a computer NIC equipped with a 10Base–2 (BNC)
connector , use a BNC tee connector on the hub. If the hub does not have BNC connectors,
use a BNC–to–UTP adapter with the tee connector . Connect a coaxial cable between the
NIC and one end of the BNC tee crossbar .
Hub to base station– Use one of the following, depending on the type of base station to be
calibrated or tested:
• F or UBS with 10/100Base–T LAN : Connect an Ethernet cable between the hub and the S SI
CRMS/LMT CUSTOMER ENET connector .
3 -46 68P09283A63 -5
FOA A UG 2007