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Quick Start

The Crestron® DM-NVX-352C network AV encoder/decoder card transports ultra high-definition 

4K60 4:4:4 HDR video over standard Gigabit Ethernet. Engineered to function as either an 

encoder or decoder, the DM-NVX-352C features secure web-based control and management,  

two auto-switching HDMI® inputs and one HDMI output, an analog audio input or output, USB 

and KVM integration, video wall processing, and support for copper and fiber LAN connectivity. 

The DM-NVX-352C also supports Dante® audio networking and AES67.

Check the Box

Item

Qty

DM-NVX-352C

1

Cable, USB 2.0, A - B, 6’ (1.83 m) (P/N 2014966)

1

Connector, 5-Pin (P/N 2003577)

1

Install the Card

The DM-NVX-352C is designed to occupy the DMF-CI-8 chassis.

CAUTIONS:

• 

DM NVX™ cards are susceptible to damage from electrostatic discharge (ESD).  

Observe standard ESD precautions when handling the cards. Wear an ESD wrist strap 

that is connected to ground, and place the cards on grounded surfaces only.

• 

To prevent damage to a card that is connected to cables, disconnect all cables from the 

card before installing the card into a card slot or removing the card.

 

NOTES:

• 

In a new installation of the DMF-CI-8, it is recommended that the cards be installed before 

power is applied to the chassis. In an existing installation of the DMF-CI-8, the cards can 

be added or replaced without the need to shut down the chassis—the cards are  

hot swappable. 

• 

When installing the cards into a partially populated DMF-CI-8, install the cards into slots 

5–8 before using slots 1–4. Doing so ensures better cooling and lower power consumption. 

In addition, always cover empty slots using the filler plates included with the chassis.

 

To install a card into the DMF-CI-8:

1. 

Using a #2 Phillips screwdriver (not included) or your fingers, remove the filler plate of an 

unused slot by loosening the two captive panel screws.

           

 (2) Captive

panel screws

DMF-CI-8

Filler

plate

2. 

Carefully insert the card into the card guides of the selected slot, and then push the card 

inward until it engages the chassis backplane.

           

DM NVX™ card

DMF-CI-8

3. 

Finger-tighten the two captive panel screws to secure the card—do not overtighten  

the screws.

Connect the Card

Connect the card as required for the application.

NOTES:

• 

The DM-NVX-352C can be configured to use either the DEVICE port or the HOST port.  

Both ports cannot be used simultaneously.

• 

The DM-NVX-352C provides two LAN ( ) ports. LAN port 1 is a 10BASE-T/100BASE-TX/ 

1000BASE-T port. LAN port 2 is an SFP port that connects to a fiber-optic network using 

the appropriate SFP-1G transceiver module. (Refer to the SFP-1G Series Installation Guide 

[Doc. 7979] for information about installing Crestron SFP-1G Series transceiver modules.) 
Only one LAN port at a time can be used as the primary LAN connection to stream 

network video, allowing the other port to be used for connection to a local network device 

or to another DM NVX device. When a LAN port is used as the primary LAN connection, 

the port must connect to a 1000BASE-T switch in order to stream network video.

DEVICE:

To

USB 

host

HOST:

To

USB 

device

HDMI 

OUTPUT:

To

HDMI 

display

HDMI 

INPUTS 1–2

:

From 

audio/video

sources

AUDIO I/O:

Balanced/

unbalanced

stereo line

level audio 

input or 

output

10BASE-T/

100BASE-TX/

1000BASE-T to

Ethernet switch,

local network

 device, or 

other DM NVX

device

  1

:

To SFP

port of 

Ethernet 

switch or

other

DM NVX 

device

2

:

TX, RX, 

and OL

LEDs

Green

LED

Amber 

LED

LINK

LED

ACT

LED

HDMI®

OUTPUT LED

HDMI

INPUT 1 LED

HDMI

INPUT 2 LED

AUDIO I/O Connector Pin Assignments

The AUDIO I/O connector uses a 5-pin terminal block for balanced or unbalanced analog audio 

input or output.
AUDIO I/O Connector

+

+ –

Balanced/Unbalanced Audio Input

Refer to the following table and diagrams for analog audio input pin assignments and 

connection information.

Signal Name Balanced Audio Input Unbalanced Audio Input

+

L+

L+ In

L–

L– signal return, jumper to GND

G

Shield/ground

Ground

+

R+

R+ In

R–

R– signal return, jumper to GND

Jumpers

+  - G +  -

+

+

L        R

Source L

Source R

Shield

Shield

+  -  G +  -

+

+

Shield

L         R

Source L

Source R

 

     Unbalanced Input

Balanced Input

Balanced/Unbalanced Audio Output

Refer to the following table and diagrams for analog audio output pin assignments and 

connection information.

Signal Name

Balanced Audio Output Unbalanced Audio Output

+

L+

L+ Out

L–

Open

G

Shield/ground

Common ground

+

R+

R+ Out

R–

Open

AMP

Left

Right

+  - G +  -

Unbalanced Output

L        R

+

+

Shield

AMP

Left

Right

+  - G +  -

Balanced Output

L        R

+

+

DM-NVX-352C

DM NVX™

 

Network AV Encoder/Decoder Card

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