Annexes
R&S
®
ZNL/ZNLE
1110
User Manual 1178.5966.02 ─ 19
5. Pass the Windows User Account Control dialog. As a standard Windows user, you
have to enter an administrator name and password. Select "Yes" to proceed.
6. If requested by the uninstaller, perform a reboot.
After a possible reboot of the instrument, a new firmware can be installed by exe-
cuting its installer.
14.2
Interfaces and connectors
This chapter provides a detailed description of the rear panel connectors of the
R&S
ZNL/ZNLE. An overview of the available front and rear panel is given in the Get-
Chapter 4.2, "Instrument tour"
14.2.1
Rear panel connectors
The rear panel of the R&S
ZNL/ZNLE provides various connectors for external devices
and control signals.
14.2.1.1
Aux. Port
25-pole D-Sub connector used as an input and output for low-voltage (3.3 V) TTL con-
trol signals. Some of the lines can be configured (see
).
The Aux. Port connector is part of option R&S
FPL1-B5 "Additional Interfaces". This
option is not available for the R&S
ZNLE.
To use the Aux. Port as VNA User Port (see table below) this has to be selected in the
"Add. Interfaces" tab of the "System Configuration" dialog.
Table 14-1: VNA User Port: Pole Assignment
Pin No.
Name
Input (I) or
Output (O)
Function
1
AGND
-
Ground
2
UC_EXT_TRG_IN
I
External trigger 1 input, 5 V tolerant *)
3
AGND
-
Ground
4
UC_BUSY
O
Hardware measurement time
5
AGND
-
Ground
6
READY FOR TRIGGER
O
Measurement completed, ready for new trigger
Interfaces and connectors