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RS-232 connector — Connect a serial communications port to this 3.5 mm, 3-pole
captive screw connector for bidirectional RS-232 communication. See
connector wiring
NOTE: The RS-232 connector can also transmit one-way modulated infrared (IR)
k
Audio Input connector (HDMI 201 A D Rx [Decora] only) — Connect one
end of a 5-wire audio cable to this 3.5 mm, 5-pole direct insertion connector.
Connect the free end of the same cable to any compatibly wired audio source unit,
such as a output of a switcher or a HDMI 201 A D Tx (Decora) transmitter
page 18).
Figure 19 shows how to wire the captive screw audio connector. Insert the wires into
the appropriate openings in the direct insertion connector. Tighten the screws on the
side to fasten the wires.
Unbalanced Input
Figure 19.
l
Output Audio — Plug an audio device into this pair, left and right, of female RCA
connectors
Pin Assignments and Wiring
HDMI connector pin assignments
Figure 20 defines the pinout for the HDMI protocol.
Pin
Signal
1
TMDS data 2+
2
TMDS data 2
3
TMDS data 2-
4
TMDS data 1+
5
TMDS data 1
6
TMDS data 1-
* CEC control on pin 13 is a proprietary
usage, not the industry standard.
Figure 20.
to wire the connector.
Modulated IR Pass Through
signals. See
Balanced Input
Sleeve
Tip
Sleeve
Tip
Captive Screw Connector Wiring for Receiver Audio Input
(figure 15
on page 17) for an unbalanced stereo audio signal.
19
1
18
2
HDMI
Type A Receptacle
Pin
Signal
7
TMDS data 0–
8
TMDS data 0
shield
shield
9
TMDS data 0-
10
TMDS clock+
11
TMDS clock
shield
shield
12
TMDS clock-
HDMI Connectors
Application.
Ring
Tip
Sleeve (s)
Do not tin the wires!
Ring
Tip
1
19
2
18
HDMI
Type A Plug
Pin
Signal
13
CEC control*
14
Reserved
(NC)
15
SCL
16
SDA
17
DDC / CEC
Ground
18
+5 V power
19
Hot plug detect
HDMI 201 • Installation and Operation
RS-232
(item
f
on
21
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