Direct connection, Figure 3-12: the probe’s direct connection, Modem connection – Agilent Technologies J3972A User Manual
Page 81: Direct connection modem connection

Installation
Connecting the Probe
61
The following methods are available for Out-of-Band connections:
z
“Direct Connection” below
z
z
“Data Switch Connection” on page 66
Direct Connection
To make a direct connection to the probe, connect the NetMetrix management
station’s serial port to the probe’s RS-232C port using a null modem cable
(Agilent part number 24542G—9-to-25 pin, or equivalent). Figure 3-12 shows the
direct connection to the probe.
Figure 3-12: The Probe’s Direct Connection
Modem Connection
You can use a modem connection to increase the distance between the probe and
the NetMetrix management station. Perform the following tasks to make a modem
connection between a NetMetrix management station and the probe. Figure 3-13
shows the modem connection to the probe.