Nortel Networks NS4540 manual Connection Jack and Cable Requirement

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.

YML7** Rev1	NetComm NS4540 Dome Camera User Guide
www.netcomm.com.au	9