Cisco C20

65
Cisco TelePresence System Quick Set C20 / C20 Plus and Profiles using C20 Administrator guide
D14637.04 Profile C20 and Quick Set C20 Administrator Guide TC4.0, November 2010.
Copyright © 2010 Cisco Systems, Inc. All rights reserved.
www.cisco.com
Pin: 19 17 3 1
Pin: 18 16 4 2
HDMI pin-out
External view of socket
DVI-I pin-out
External view of socket
RCA pin-out
External view of socket
GND
Signal
RJ-45 Connector pin-out
1 ---------- 1
2 ---------- 2
3 ---------- 3
6 ---------- 6
Wiring diagram
standard cable
TOP
FRONT
1 8
1 8
RS232 9 pin D-SUB pin-out
External view of socket
1 5
6 9
Pin-out schemes
This page gives an overview of the pin-out schemes for C20.
HDMIPin-out
Pin Assignment Pin Assignment
1 T.M.D.S. Data 2+ 11 T.M.D.S. Clock Shield
2 T.M.D.S. Data 2 Shield 12 T.M.D.S. Clock–
3
T.M.D.S. Data 2 – 13 CEC
4 T.M.D.S. Data 1 14 Reserved (N.C. on device)
5 T.M.D.S. Data 1 Shield 15 SCL
6
T.M.D.S. Data 1 – 16 SDA
7 T.M.D.S. Data 0 17 DDC/CEC Ground
8 T.M.D.S. Data 0 Shield 18 +5 V Power (max 50 mA)
9 T.M.D.S. Data 0– 19 Hot Plug Detect
10 T.M.D.S. Clock+
Pin-out—Cameracable
Signal name RJ-45 pin D-SUB pin
+12 V DC 1 Twisted pair 4
GND 2 5
RX 3 Twisted pair 2
TX 6 3
NC 4 Twisted pair 1
NC 5 6
GND 7 Twisted pair 5
+12 V DC 8 4
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
CodecC20audioconnectors
Jack Mic input RCA line input RCA line output
Connector pin out Tip = Hot
Ring 1 = Cold
Ring 2 = Mic.
control
Shield = GND
Pin = Signal
Shield = GND
Pin = Signal
Shield = GND
Signal type Balanced Unbalanced Unbalanced
Connector (codec)
Mini Jack 3.5 mm Female RCA/
phono
Female RCA/
phono
Input impedance
1.5 kOhm/leg 18k Ohm
Output impedance 100 Ohm
Maximum input level
-18.3 dBu +/-2 dB 9.0 dBu +/-2 dB
Maximum output level 8.2 dBu +/-2 dB
Phantom power 12 V +/-1 V
Phantom power resistor pin
”tip”
1.7 kOhm
Phantom power resistor pin
”ring 1”
1.7 kOhm
Frequency response 20 Hz-20 kHz
+/-1 dB
20 Hz-20 kHz
+/-1 dB
20 Hz-20 kHz
+/-1 dB
Signal to Noise Ratio -85 dB -95 dB -95 dB
Microphone, 3.5 mm Mini-Jack, 4 pole
Microphone control
Ground Audio– Hot
Audio– Cold
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