Page 24
724-746-5500 | blackbox.com
Chapter 2: Overview
Table 2-5. HDMI connector pinout.
Pin Function
Pin
Function
1
TMDS Data 2-
11
TMDS Clock Shield
2
TMDS Data 2 Shield
12
TMDS Clock-
3
TMDS Data 2-
13
CEC
4
TMDS Data 1+
14
Not connected
5
TMDS Data 1 Shield
15
DDC Clock
6
TMDS Data 1-
16
DDC Data
7
TMDS Data 0+
17
Ground
8
TMDS Data 0 Shield
18
+5 V Power
9
TMDS Data 0-
19
Hot-plug detect
10
TMDS Clock+
20
SHELL
AVS-4I-HDB and AVS-4O-HDB
4K Twisted pair card (HDMI/DVI extender). (See the specifications in Chapter 1.) The
cards support hot-plug, HDTV, are compatible with HDBT 1.0, HDMI1.4a and HDCP1.4,
support a wide resolution range from 480p to 4K x 2K, comply with the 1080p 3D
standard, extend an HDBT signal up to 70 m at 1080p or 40 m at 4K, support
bi-directional RS232 transmission on a single cable, and their auxiliary audio ports
support a stereo signal. It is also embedded with the EDID management technology.
AVS-4I-HDB: Input card, with a maximum input of four HDMI TP signals. The input
signal can pass to the output device through AVS-4O-HDB, or pass through other kinds
of output cards that need to work with an HDBT transmitter.
Figure 2-14. AVS-4I-HDB card.
NOTE: When matching with output cards that do not support 4K x 2K, adjust the out-
put resolution to 1080p to enable reliable output.
AVS-4O-HDB: Output card with a maximum of four output HDBT signals, outputs
signals from AVS-4I-HDB or other kinds of input cards that need to work with an HDBT
receiver.
