Nortel Networks NS4540 - Manual (Page 9)

YML7** Rev1 NetComm NS4540 Dome Camera User Guide
www.netcomm.com.au 9
2-2 Connection Jack and Cable Requirement
■ Power In Jack :
DC12V Input Voltage, Power Consumption 1.2Adc, Center Pin 2.0mm Requires Cable: 18
AWG x 2C
■ Video Out BNC Jack :
Video Signal Output CVBS 1.0Vpp 75? BNC Recommend Data Cable:5C2V
■ Alarm In/Out Jack :
Each NETCOMM NS4540 contains 6 alarm inputs and 1 alarm output - Alarm Input
Voltage 5.6V max, Output 0.5A 120Vac/ 1A 24Vdc - Recommend Data Cable: UL 26 AWG
80 C 300V UL 24 AWG 80 C 300V
■ RS-485 In/ Out Jack :
RS-485 Input (TXDI+, TXDI-) to receiver signal from keyboard, matrix, DVR or multi-
plexer through twisted pair cable.
RS-485 Output (TXDO+, TXDO-) sending out signal to next NETCOMM NS4540
through twisted pair cable.
■ Recommend Data Cable:
2547 VW-ISC UL 24 AWG x 2C - Transmission Distance: Max. 1 Kilometer
■ When 24VAC PSU is used, the recommend cables are:
UL SPT-1 VW-1 18AWG x 2C
UL SPT-2 VW-1 18AWG x 2C
UL SUT 105C VW-1 18AWG x 3C
The distance between 24Vac PSU and fast dome cannot exceed 200 meters.