Extron electronics MTP 15HD RS Series User's Guide download pdf (Page 14)

RS-232 connector — Connect a serial communications port to this 3.5 mm, 3-pole

captive screw connector for bidirectional RS-232 communication. Wire the connector as

shown in ﬁgure 6.

Ground

Gnd

Receive

Transmit

Connected RS-232

Device Pins

MTP

Pins

Figure 6. RS-232 Connector Wiring

NOTES: • By default, the RS-232 portion of the TP link is unidirectional only from

the transmitter to the receiver. If there is only one receiver in a system,

a jumper within the receiver allows the RS-232 communication to be

bidirectional (see "Receiver Jumpering" on page 5).

• The length of the exposed wires in the stripping process is critical. The

ideal length is 3/16 inches (5 mm). If the exposed section is longer, the

exposed wires may touch, causing a short circuit between them. If it is

shorter, the wires can be easily pulled out, even if tightly fastened by the

captive screws.

• Do not tin the wires. Tinned wire does not hold its shape and can

become loose over time.

Pre-Peak switch — The Pre-Peak switch alters the TP signal output to correct for

long cable runs. See the table on page 4 for suggested switch settings based on the

transmitted video format and transmission distance.

Output connector — Connect one end of a TP cable to this RJ-45 female connector

on the transmitter. Connect the free end of the same TP cable to the RJ-45 female

connector on the receiver. See "Twisted Pair Cable Termination" on page 14 to wire

the RJ-45 connectors.

CAUTION: Do not connect these devices to a computer data or

telecommunications network.

NOTES: • The non-C7 transmitters and receivers will not work properly with

STP201 or CAT 7 STP cable.

• The C7 transmitters and receivers will work properly only with STP201

or CAT 7 STP cable.

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Extron electronics MTP 15HD RS Series User's Guide Page 14