Pin-Out Schemes - Cisco C20 Administrator's Manual

Cisco TelePresence System Quick Set C20 / C20 Plus and Profiles using C20
Contents Introduction

Pin-out schemes

This page gives an overview of the pin-out schemes for C20.
HDMI pin-out
External view of socket
Pin: 19 17 3 1
Pin: 18 16 4 2
RJ-45 Connector pin-out
Wiring diagram
1 8
standard cable
TOP
1 ---------- 1
2 ---------- 2
3 ---------- 3
FRONT
1 8
6 ---------- 6
Pin-out—VISCA™ camera control
RJ11, 8 pins shielded modular jack
Pin Signal name
8 +12 V (presence 2.8 mA current source
when connected in daisy chain)
7 GND
6 TXD (out)
5 NC (no connect)
4 NC (no connect)
3 RXD (in)
2 GND
1 +12 V
D14637.04 Profile C20 and Quick Set C20 Administrator Guide TC4.0, November 2010.
Copyright © 2010 Cisco Systems, Inc. All rights reserved.
Web interface
DVI-I pin-out
External view of socket
HDMI Pin-out
Pin Assignment
1 T.M.D.S. Data 2+
2 T.M.D.S. Data 2 Shield
3 T.M.D.S. Data 2 –
4 T.M.D.S. Data 1
5 T.M.D.S. Data 1 Shield
6 T.M.D.S. Data 1 –
7 T.M.D.S. Data 0
8 T.M.D.S. Data 0 Shield
9 T.M.D.S. Data 0–
10 T.M.D.S. Clock+
Pin-out—Camera cable
Signal name RJ-45 pin
+12 V DC 1
GND 2
RX 3
TX 6
NC 4
NC 5
GND 7
+12 V DC 8
Advanced configuration Password protection
RS232 9 pin D-SUB pin-out
External view of socket
1 5
6 9
Pin Assignment
11 T.M.D.S. Clock Shield Connector pin out
12 T.M.D.S. Clock–
13 CEC
14 Reserved (N.C. on device)
15 SCL Signal type
Connector (codec)
16 SDA
17 DDC/CEC Ground
Input impedance
18 +5 V Power (max 50 mA)
Output impedance
19 Hot Plug Detect
Maximum input level
Maximum output level
Phantom power
Phantom power resistor pin
D-SUB pin "tip"
Twisted pair 4 Phantom power resistor pin
"ring 1"
5
Frequency response
Twisted pair 2
3
Signal to Noise Ratio
Twisted pair 1
6
Twisted pair 5
4
65
Appendices Appendices
Microphone, 3.5 mm Mini-Jack, 4 pole
Microphone control
Ground Audio– Hot
Audio– Cold
Codec C20 audio connectors
Jack Mic input RCA line input
Tip = Hot
Ring 1 = Cold
Ring 2 = Mic.
control
Shield = GND
Balanced
Mini Jack 3.5 mm
1.5 kOhm/leg
-18.3 dBu +/-2 dB
12 V +/-1 V
1.7 kOhm
1.7 kOhm
20 Hz-20 kHz
+/-1 dB
-85 dB
Administrator guide
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RCA pin-out
External view of socket
Signal GND
RCA line output
Pin = Signal Pin = Signal
Shield = GND Shield = GND
Unbalanced Unbalanced
Female RCA/ Female RCA/
phono phono
18k Ohm
100 Ohm
9.0 dBu +/-2 dB
8.2 dBu +/-2 dB
20 Hz-20 kHz 20 Hz-20 kHz
+/-1 dB +/-1 dB
-95 dB -95 dB
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