Cisco Systems 2900 Manual De Usuario
1-5
Cisco Video Surveillance IP PTZ Dome Camera User Guide, Cisco 2900 Series IP Dome
OL-24281-01
Chapter 1 Installation
Mounting
Step 3
Connect the auxiliary, alarm, and other wiring to the back box circuit board (see
Note
Aux 1: Maximum 2 A at low voltage (<40 V).
Aux 2: Maximum 30 mA at 32 VDC.
If you are installing an environmental back box in a railway application, attach a ground wire
from the circuit board power connector to a structural ground using at least 18-gauge wire.
Figure 1-6
Connect the Wiring to the Circuit Board
Step 4
If you plan to use the audio functions, install your audio cables into the audio line-in and line-out
connectors on the TXB-N.
connectors on the TXB-N.
1
RJ-45 Connector
7
Standoff
2
Ethernet Cable
8
UTP Connector
3
Video Coaxial Cable
9
Back Box Circuit Board
4
16-Pin Connector
10 Audio Connectors
5
Heat Sink Standoff
11 TXB-N
6
Captive Screw
VIDEO
UTP+ UTP-
RX- RX+
TX+
TX-
PWR-
PWR+
GND
AUX2
GND
GND
NO
NC
COM
7
6
5
4
3
2
1
ALARMS
AUX1