User`s manual
MTP DA4 and MTP DA8 • Installation
Installation, cont’d
12
MTP DA4 and MTP DA8 • Installation
13
Power supply wiring
Figure 8 shows how to wire the power connector.
SECTION A–A
A A
Power Supply
Output Cord
2-Pole Captive Screw
Connector
Ridges
Smooth
Tie Wrap
3/16”
(5 mm) Max.
Figure 8 — Power connector wiring
C
Power supply voltage polarity is critical. Incorrect
voltage polarity can damage the power supply
and the unit. The ridges on the side of the cord
(figure 8) identify the power cord negative lead.
To verify the polarity before connection, plug in the power
supply with no load and check the output with a voltmeter.
W
The two power cord wires must be kept separate
while the power supply is plugged in. Remove
power before wiring.
C
The length of the exposed (stripped) copper
wires is important. The ideal length is 3/16”
(5 mm). Longer bare wires can short together.
Shorter wires are not as secure in the connectors
and could be pulled out.
N
Do not tin the power supply leads before installing them
in the direct insertion connector. Tinned wires are not as
secure in the connectors and could be pulled out.
Use the supplied tie-wrap to strap the power cord to the
extended tail of the connector.
Alternatively, an optional Extron PS 123 Universal 12 VDC
Power Supply, part #60-814-01, can power multiple Extron
12 VDC devices using only one AC power connector.
TP cable termination
N
RJ-45 termination with CAT 5, CAT 5e, or
CAT 6 cable must comply with the TIA/EIA T 568A or
TIA/EIA T 568B wiring standards for all connections.
RJ-45 termination with Skew-Free A/V UTP cable must
comply with TIA/EIA T 568 A only.
Figure 9 on the next page details the termination of TP cables
with RJ-45 connectors in accordance with the TIA/EIA T 568A
or TIA/EIA
T 568B wiring standards. Use either standard with
CAT 5/5e/6 cable, but use the same standard on both ends of
the cable.
Note the separate columns for input from a low resolution
(composite video or S-video) and high resolution (RGB
video) MTP. Note also the shaded table that identies the
unconventional signal assignment when a low resolution MTP
unit is jumpered for stereo audio.
N
Enhanced Skew-free A/V cable is not recommended for
Ethernet/LAN applications.
This cable is specially designed for compatibility
with Extron’s Twisted Pair products, wired using the
TIA/EIA 568 A standard.
The green, brown, and blue pairs of this cable have
virtually identical lengths and should be used to
transmit the RGB, composite video, or S-video signals.
The orange pair of this cable has a different length and
should not be used to transmit the RGB, composite
video, or S-video signals.
N
If you are using the DA as part of an MTP 15HD RS
(serial data) transmission system, be aware that the DA
routes the serial link one way only, from the transmitter
to the receiver(s).
Also, the transmitter and receiver must be jumper
configured to pass the serial link one way only. Refer to
the MTP 15HD RS User's Manual.