Cisco C20 Administrator's Guide

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
Contents
Contact us
Web interface
Advanced configuration
Introduction
Password protection
Appendices
Appendices

Cisco C20 Specifications

General

Encryption	AES
Frame Rate	Up to 30 fps
Firewall Traversal	Yes
Connectivity	Wired
Video Standards	H.264
Audio Standards	G.711, G.722
Network Interfaces	10/100/1000 Ethernet
Content Sharing	Yes
Product Type	Video conferencing system
Network Protocols	H.323, SIP
Interfaces	Ethernet
Video Resolution	720p