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Cisco TelePresence System Codec C40 Bedienungsanleitung Seite 19

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Cisco TelePresence System Codec C40 Physical interface guide
D14646.02 Codec C40 Physical Interface Guide TC4.0, November 2010.
© 2010 Cisco Systems, Inc. All rights reserved.
ww w.cisco.com
COM port and Camera
Control port
COM port
1 x COM (RS–232) data port for codec control and
configuration through API commands.
Camera Control port
1 x Camera Control (RS–232) port for power and
camera control (pan, tilt, zoom) using the VISCA™*
protocol.
Main connector: The main camera is connected to the
Camera Control port.
Power. Pin No. 4 on the Camera Control port provides
12 V DC / 1 A to the main camera.
If more than one camera is connected, only the first
camera is powered from the codec. The additional
cameras must be daisy chained by using a serial
cable, and each will need an external power supply.
Additional cameras. For information about additional
cameras, see the PrecisionHD Camera User Guide
which is found on our web site, go to: http://www.
cisco.com/go/telepresence/docs
*VISCA™ is a trademark of Sony Corporation
Pin–out—Camera cable
Signal
name
RJ–45
pin
D–
SUB
pin
+12V 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
+12V DC 8 4
Pin–out—COM Port
Pin Signal name Direction
1 Carrier detect, CD From DCE
2 Receive data, RXD From DCE
3 Transmit data, TXD To DCE
4 12 V / 1 A To the main camera
5 Signal GND
6 Data set ready, DSR From DCE
7 Ready to send, RTS To DCE
8 Clear to send, CTS From DCE
9 Ring indicator, RI From DCE
Pin–out—VISCA™ camera control
RJ11, 8 pins shielded modular jack
Pin Signal name
8 +12V (presence 2.8mA 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 +12V
RS2329pinD–SUBpin–out
External view of socket
1 5
6 9
Camera Control
port
COM port
Contents
Contact us
Introduction
The physical interface
Connecting to the codec
The physical interface
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