Keri-systems NXT-4R Manual do Utilizador descarregar pdf (Página 2)

NXT-4R Reader

Installation Guide

Page 2 of 2 P/N: 01999-003 Rev. A

NOTE: Keri does not recommend hot-plugging a Reader, RIM, or 4x4 into an NXT controller.



Remove power from the controller prior to connecting these devices.

3.0 Contact Keri Systems

End of document.

Table 1: Reader and 4x4 Cable Options

Connection Type

Total

Run

Length

Shielded, Stranded,

2 Twisted-Pair

a. Keri recommends this cable type for best system performance.

CAT-5

b. Keri’s preferred low-cost option. Keri has no suggested vendor for this type of cable.

Shielded, Stranded,

4-Conductor

c. Use care when routing this type of cable as it can make the system more susceptible to EMI.

AWG Suggest AW G Suggest

RS-485 bus 

from NXT-2D/-4D 

to NXT-4x4 only

up to

500 feet

18 - Data plus

4x4 Power

22 - Data only

Belden

8723

unshielded 18 - Data plus

4x4 Power

22 - Data only

Windy City:

414302-S

West Penn: 244

Tappan:

1880AB4M-CM

RS-485 bus 

from NXT-2D/-4D 

to NXT-4x4 

and NXT Readers

up to

500 feet

18 - Data plus

4x4 Power

22 - Data only

Belden

8723

shielded 18 - Data plus

4x4 Power

22 - Data only

Windy City:

414302-S

West Penn: 244

Tappan:

1880AB4M-CM

RS-485 bus 

from NXT-2D/-4D 

to NXT Readers only

up to

1,000 feet

22 for Data Belden

8723

shielded 22 for Data Windy City:

416303-S

West Penn: 241

Tappan:

2280AB4M-CM

Keri USA Keri UK, Ireland, Europe

2305 Bering Drive

San Jose, CA 95131

Unit 17 

Park Farm Industrial Estate 

Ermine Street 

Buntingford 

Herts SG9 9AZ UK

Telephone: (800) 260-5265

(408) 435-8400

Telephone: + 44 (0) 1763 273 243

Fax: (408) 577-1792 Fax: + 44 (0) 1763 274 106

Web: www.kerisys.com Web: www.kerisystems.co.uk

E-mail: [email protected]

[email protected]

E-mail: [email protected]

[email protected]

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