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Annexes

R&S

ZNL/ZNLE

1110User Manual 1178.5966.02 ─ 20

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-

ting Started guide (see Chapter 4.2, "Instrument tour", on page 38).

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 CONTrol commands and OUT-

Put commands).

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

R&S ZNL Series User Manual

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