User's Manual

ManualsBrandsG4S Technology ManualsElectronicsS874 MiFare Wallplate Card Reader

Table Of Contents

Mount the backplate using countersunk headed screws adjacent to the opening

edge of the door and at a convenient height (recommended height is 5' (1.5m)

to top of unit).

If fixing hole ’A’ is used then the breakout must be removed and the screw must

not protrude.

Feed the cable from the controller through the backplate.

If the wall tamper function is to be used then the small hole in breakout ‘B’ may

be used to mark the position of the wall screw before the breakout is removed.

An appropriate wall screw should then be adjusted in height to protrude through

the hole to activate the tamper lever.

Mount the Backplate

Reader Connections

The S874 is a

reader can be set to use Wiegand or

The S874 reader will read smartMAX encoded MIFARE cards and card serial

numbers from most ISO 14443A smart cards which have a 4-byte UID (User

Identification). The reader may be configured to read other card types by

presenting a programming card to the reader during start up.

For additional information regarding the installation, configuration and proper

use of this product:

SMS User Guide, P/N 9600-0429, M2150 Access Control Design Guide, P/N

9600-0420, M2150 Intrusion Guide, P/N 9600-0540 and M2150 UL1076

Compliance Manual, P/N 9600-0449.

contactless smart-card reader, with LED’s and keypad. The

20mA current loop communications.

The securing screw ‘C’ is integral to the backplate and is unscrewed via the small hole in the enclosure so that the

screw head locates in the counterbored holes on the inside of the enclosure.

You should find

that the backplate

has holes for

connection to

most standard

electrical

backboxes.

Installation and User Instructions for S874 Keypad Readers

RX+

RX-

TX+

TX-

12V

Controller

TX+

TX-

RX+

RX-

Reader

TB1

20mA current loop

Green

Data 0

Red

Data 1

12V

Controller

GRN

Use Belden

9537 Cable

Wiegand

RED

Reader

TB1

Connect shield at

controller end only.

Connect shield at

controller end only.

Twisted pairs (use

Belden 9503 Cables)

Note: Use SW1 switch2 to select the communications mode (See Step 3).

Note:

1). Consult local AHJ (Authority Having Jurisdiction) when installing access control readers and locking mechanisms to

any portal in an egress path.

2). The use of Fail Closed / secure configuration shall be determined by local building codes and the local AHJ.

3). Wiring methods shall be in accordance with NEC (National Electrical Code) ANSI/NFPA 70.

4). The Wiegand connections are not allowed under UL1076 unless a separate tamper switch is provided.

Slide the ferrite sleeve onto cable before wiring terminal block. Ferrite to be placed 50mm (2") up cable and held in place with

cable ties.

Note: The FERRITE must be fitted!

Summary of content (2 pages)

PAGE 1
Installation and User Instructions for S874 Keypad Readers The S874 is a contactless smart-card reader, with LED’s and keypad. The reader can be set to use Wiegand or 20mA current loop communications. The S874 reader will read smartMAX encoded MIFARE cards and card serial numbers from most ISO 14443A smart cards which have a 4-byte UID (User Identification). The reader may be configured to read other card types by presenting a programming card to the reader during start up.
PAGE 2
3 Switch Settings Set SW1 switch2 (COM) to W for Wiegand communications, or C for 20mA current loop communications. Set SW1 switch1 F/B - Keypad audio feedback) to 1 for sound on, or 0 for sound off. 4 Using the Reader Present the card face-on to the reader until you hear a "bleep". Cards can be presented in rapid succession; there is no need, for example, to wait for "GREEN LED’s" to disappear before presenting another.