
Display Combo/RFID/Keypad Technical Manual

Display Combo/RFID/Keypad Technical Manual
Display Combo/RFID/Keypad Technical Manual ..................................................................................... 3
Product description ............................................................................................................................. 3
Connections ........................................................................................................................................ 4
Display Combo ................................................................................................................................. 4
Display RFID ..................................................................................................................................... 4
Display Keypad ................................................................................................................................ 4
Operating indicator ............................................................................................................................. 5
Display Combo ................................................................................................................................. 5
Display RFID ..................................................................................................................................... 5
Display Keypad ................................................................................................................................ 5
Maintenance ....................................................................................................................................... 6
Technical data ..................................................................................................................................... 6
Appendix ............................................................................................................................................. 7

Display Combo/RFID/Keypad Technical Manual
Display Combo/RFID/Keypad Technical Manual
Metra inženiring d.o.o.
IOC Trzin
Špruha 19
SI-1236 Trzin, Slovenia
+386 1 56 10 740
+386 1 56 10 744
www.metra.si
Metra ELS & ELS SELECT – Electronic Locking Systems
Display Combo
DDIS (ISO 15693, ISO14443A/B)
DDLF (LF Multitag)
DDMF (Mifare)
DDSD (Skidata)
Display RFID
DSIS (ISO 15693, ISO14443A/B)
DSLF (LF Multitag)
DSMF (Mifare)
DSSD (Skidata)
Declaration of Conformity:
The Metra ELS and ELS SELECT products have been developed, designed
and manufactured in accordance with the EU directive for
Electromagnetic Compatibility (2004/108/EC).
Display Combo/RFID/Keypad User Manual [rev.0-250211]
2011 Metra inženiring d.o.o.
All Rights reserved.
No part of this manual may be reproduced in any form or by any means without prior written permission of Metra inženiring d.o.o.
The contents of this manual are subject to change without notice.
All efforts have been made to ensure the accuracy of the contents of this manual, however, should any errors be detected, Metra inženiring would greatly appreciate being informed of
them. Metra inženiring d.o.o. can assume no responsibility for any errors in this manual.
Display Combo
Display RFID
Display Keypad
Metra Display RFID is a user interface for Metra ELS systems, while
Metra Display Combo and Keypad are a user interfaces for Metra
ELS and Metra ELS SELECT systems.
Display Combo: Read RFID tickets as locker keys. Twelve key
washable keypad is integrated to enable additional user
interaction (PIN, locker number, etc.) and can be used for locking /
unlocking instead of RFID media.
Display RFID: Reads RFID tickets as locker keys.
Display Keypad: Integrated 12 key washable keypad to enable
user interaction (PIN, locker number, etc.).
Each model shows the locker number on a four digit LED display
available in blue or white. They also perform audio signalization
and show an alarm message if an attempt of break-in is detected
on a Metra Electric Lock connected to a Metra Locker Controller.
Locker Controller’s operating parameters are set up through
integrated 4 key system keypad (Display RFID) or through 12 key
keypad (Display Combo and Keypad) and stored in Locker
Controller’s internal battery powered memory. To simplify setup
of Locker Controller and manage master keys and master/setup
codes also Metra software can be used.

Display Combo/RFID/Keypad Technical Manual
Display Combo
Connect the communication cable (10 pole flat cable) from the Locker Controller to the connector
marked .
Display RFID
Connect the communication cable (10 pole flat cable) from the Locker Controller to the connector
marked .
Display Keypad
Connect the communication cable (10 pole flat cable) from the Locker Controller to the connector
marked .

Display Combo/RFID/Keypad Technical Manual
Display Combo
When the device is running, Metra logo on the front panel is blinking.
Display RFID
When the device is running, Metra logo on the front panel is blinking.
Display Keypad
When the device is running, a blue or white dot on the left side of display is blinking.

Display Combo/RFID/Keypad Technical Manual
No special maintenance is needed. Regular cleaning is recommended. The unit should be cleaned
using soft cloth and dedicated cleaners for plastic surfaces e.g. car dashboard cleaning agents. Do not
use any aggressive or abrasive agents or solvents as they might cause permanent damage to the
device surface.
This action is generally performed if mechanical parts of the Display’s front mask are damaged or if
some electronic parts (display, signal lights, reader, keypad, etc.) fail.
STEP 1: Disconnect the power supply from the Locker Controller.
NOTE
Disconnect the adapter not the wires fixed on the Locker Controller board to avoid short circuit.
STEP 2: Open the Locker Controller Box/Locker (see Locker manufacturer's documentation).
STEP 3: Inspect and disconnect Display’s connection cable. Replace if needed.
STEP 4: Replace the Display with a new one.
STEP 5: Reconnect connection cable exactly the same as it was connected before.
STEP 6: Connect the power supply.
STEP 7: Close the Locker Controller Box/Locker (see Locker manufacturer's documentation).
Operating temperature range
integrated piezoelectric beeper
4 digit LED display with decimal points.
Display Combo: 12 key keypad
Display RFID: 4 key system keypad (Master and Setup mode only)
Display Keypad: 12 key keypad

Display Combo/RFID/Keypad Technical Manual
Physical dimensions
Device
Mounting hole

Oval hole must be provided for mounting the Display.
If not already CNC machined on locker assembly, a special dummy
drill mask is available to facilitate the drilling procedure.
Appendix 1
Device
Display Combo/RFID/Keypad
Mounting hole
min 100
min 300
214
208
4 73
79
224
90
51
120
213.4
78.6
7
8 9
0
5
4
6
1 2
3
Electronic Locking System
7
8
9
0
5
4
6
1
2
3
Electronic Locking System
NOTE: Schematic shows Display Combo. Display RFID and Display
Keypad have the same physical dimensions as Display Combo.
Physical dimensions
A
A