Specifications
Table Of Contents

Crestron DM-TX-300N/-F DigitalMedia™ CAT & Fiber Transmitters 300N
Connectors, Controls & Indicators (Continued)
#
CONNECTORS
1
,
CONTROLS &
INDICATORS
DESCRIPTION
20
LAN
5
GREEN
LED
YELLOW
LED
PIN 8
PIN 1
(1) 8-wire RJ-45 female with two LED
indicators;
10BASE-T/100BASE-TX Ethernet port;
Green LED indicates link status;
Yellow LED indicates Ethernet activity
PIN SIGNAL PIN SIGNAL
1 TX + 5 N/C
2 TX - 6 RC -
3 RC + 7 N/C
4 N/C 8 N/C
21
SETUP (LED and
Button)
(1) Red LED and (1) recessed miniature
pushbutton for Ethernet auto-discovery and
default IP address
22
G
(1) 6-32 screw, chassis ground lug
23
DM OUT
10, 11
(1) DM fiber output comprised of (2) SC
female fiber optic connectors;
Connects to DM fiber input of a DM switcher,
receiver/room controller or other DM device
via CresFiber fiber optic cable
12
24
24VDC 2.5A
10
(1) 2.1 mm barrel DC power jack,
24 Volt DC power input;
Connects to local power supply (included)
10
1. Interface connectors for AUDIO IN (balanced), 24 A B G, IR and COM ports are provided with the
DM-TX-300N. Interface connectors for AUDIO IN (balanced), IR and COM ports are provided with
the DM-TX-300N-F
2. VGA (RGB) to DVI-A adapter included. (DVI-A plug fits in the DVI-I socket.) In addition to RGB,
the DVI-I input can accept component, composite and S-video signals via direct interface to Crestron
MPS Series products (sold separately) or through an appropriate adapter (not included). Input sync
detection is not provided for composite or S-video signal types through the DVI-I connection.
3. Refer to the following table for video connections using the RGB-DVI input.
ASSIGNMENT: RGB
ASSIGNMENT: COMPOSITE,
S-VIDEO AND COMPONENT
- RGB Red
- Chrominance / - P
r
+ RGB Red
+ Chrominance / + P
r
- RGB Green
- Luminance / - Y
+ RGB Green
+ Luminance / + Y
- RGB Blue
- Composite / - P
b
+ RGB Blue
+ Composite / + P
b
4. DM-TX-300N only.
5. To determine which is pin 1 on the cable, hold the cable so the end of the eight pin modular jack is
facing away from you, with the clip down and copper side up. Pin 1 is on the far left.
Operations Guide – DOC. 6907D DigitalMedia™ CAT & Fiber Transmitters 300N: DM-TX-300N/-F • 17