Interfaces and Connectors
R&S
®
DVMS1
18
Getting Started 2113.7619.02 ─ 12
3.2.6
USB Interfaces
Two USB 3.0 interfaces of the type A (host USB) are provided (USB
= universal serial
bus). Use the interfaces to connect external devices like a keyboard, mouse, printer, or
memory stick.
On demand, a USB 3.0 interface supplies up to 900
mA.
Further information:
●
Chapter 4.2, "Connecting External Devices"
Electromagnetic interference (EMI) can affect the measurement results. To avoid any
impact, make sure that the following conditions are met:
●
Use suitable double-shielded cables.
●
Do not use USB connecting cables exceeding 1
m.
●
Use only USB devices that remain within the permissible EMI limits.
3.2.7
DVB-T/H Receiver Module (R&S
DVMS-B53)
The DVB
‑
T/H receiver module (R&S
DVMS
‑
B53) is an option module.
Figure 3-3: DVB-T/H receiver module
The status of the connectors is indicated by LEDs. Before showing a new state, each
LED holds the current state for at least one second, if the current state is not "off" or
"flashing".
To select the input, in the toolbar, click "Instrument Configuration" and then select "Sig-
nal Interface". See the user manual or help system.
To help locating a connector socket, you can let its status LED flash blue ("Instrument
Configuration" dialog, "Signal Interfaces" tab, see the user manual or help system).
RF IN
This BNC socket (female connector
@
DVMS) is used to feed in an RF signal conform-
ing to the DVB
‑
T (EN 300 744) or DVB
‑
H (EN 302 304) standards.
An LED indicates the RF IN status:
●
LED off: Input is not used for monitoring.
Rear Panel