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Northern Computers NC-N485PCI-2 Personal Computer Interface (One per Com Port)



Northern Computers NC-N485PCI-2 Personal Computer Interface (One per Com Port)


 

Our Price : $241.25


Product Code: 481803

Discontinued use NC-PCI3

Description
 
NC-N485-PCI2 Personal Computer Interface (One per Com Port)

The N-485-API-2, N-485-PCI-2, and N-485-HUB-2 interfaces can be used with your current N-1000-II and any version of PC-PAK or WIN-PAK software. The new ACK/NAK protocol requires Win-Pak V1.12 or higher. All data communications are continually supervised when using the ACK-NAK protocol. The interfaces provide automatic buffering of panel information upon loss of communication to the host computer, HUB or PCI (using ACK-NAK). Distances of up to 4000' can be reached with the interfaces. Greater distances can be accomplished with the N-485-RPT (repeater). Built in features make them highly immune to outside interferences. The N-485-API-2 is not required with the N-1000-III or the N-1000-IV.

The N-485-PCI-2 and N-485-HUB-2 interfaces convert RS485 to RS232. The N-485-PCI-2 is used at the computer for a direct connect system. The N-485-HUB-2 is utilized with an auto-dial modem at a remote location, and comes with plus in power supply. Use of the N-485 interfaces will increase the communication speed as well as data integrity. For those high security applications involving supervised communications, a N-485 interface is a must.

The N-485-API-2 (Access Control Panel Interface) provides an RS485 communications interface to your existing N-1000-II. The N-485-API-2 interface converts the 20mA current loop supplied by the N-1000-II to an RS485 signal which can be used on the multi-drop line. Northerns RS485 multi-drop line can support usp to 31 RS485 nodes per COM port system.

The N-485-PCI-2 and N-485-HUB-2 interfaces convert RS485 to RS232, and both come with plug-in power supply. The N-485-PCI-2 is used at the computer for a direct connect system. The N-485-HUB-2 is utilized with an auto-dial modem at a remote location.

Technical Specifications:
  • Dimensions: N-485-API-2: 1.25"H x 3.75"W x 4.5"D
  • Cable Specifications: 120 ohm characteristic impedance
  • Communications: Asynchronous, Half Duplex, 38.4K baud
  • Distance: 4000 Multi-drop line

    Benefits:
  • The N-485 interfaces can be used with your current N-1000-II and any version of PC-PAK or WIN-PAK software. The new ACK/NAK protocol requires WIN-PAK V1.12 or higher.
  • All data communications are continually supervised when using the ACK-NAK protocol.
  • The API interface provides automatic buffering of panel information upon loss of communicaion to the host computer, HUB or PCI (using ACK-NAK).
  • Distances of up to 4000 can be reached with the interfaces.
  • Built-in features make them highly immune to outside interferences.

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