Tektronix MDO4054-3, User Manual, Page: 67 / 222

Get Acquainted with the Instrument
Rear-Panel Connectors
1. Auxiliary Output . Use this output to
generate a signal on a main trigger
pulse, as a 10 MHz reference signal,
or to output a signal when other events
happen, such as mask-limit test events.
To use this to synchronize other test
equipment with your oscilloscope,
push the front-panel
Utility button,
the bottom-bezel Utility Page button,
and select External Signals
with
multipurpose knob a . Push AUX OUT
from the bottom-bezel menu and Main
Trigger from the resulting side menu.
A LOW to HIGH transition indicates that
the trigger occurred. The logic level for
Vout (HI) is
≥ 2.5 V open circuit; ≥ 1.0 V
into a 50 Ω
load to ground. The logic
level for Vout (LO) is ≤ 0.7 V into a load
of ≤ 4 mA; ≤ 0.25 V into a 50 Ω load to
ground.
2. EXT REF IN . You can connect an external
clock to this connector. To enable this
connector, push the front-panel
Utility
button, the bottom-bezel Utility Page
button, and select
External Signals with
multipurpose knob a . Push Reference
Source from the bottom-bezel menu
and EXT REF IN from the resulting side
menu.
3. XGA Out . Use the XGA Video port
(DB-15 female connector) to show the
oscilloscope display on an external
monitor or projector.
4. LAN . Use the LAN (Ethernet) port (RJ-45
connector) to connect the oscilloscope to
a 10/100 Base-T local area network.
MDO4000 models are LXI Class C
version 1.3 compliant.
48 MDO4000 Series Oscilloscopes User Manual