Johnson Controls CKM-MR51E Assembly instructions

24-10707-58 Revision E
December 2017
P2000
Security Management System
CKM-MR51E
authentic Mercury™ PoE module
hardware
installation

Copyright 2017
Johnson Controls
All Rights Reserved
No part of this document may be reproduced without the prior permission of Johnson Controls.
If this document is translated from the original English version by Johnson Controls, all reasonable
endeavors will be used to ensure the accuracy of translation. Johnson Controls shall not be liable
for any translation errors contained herein or for incidental or consequential damages in connection
with the furnishing or use of this translated material.
Due to continuous development of our products, the information in this document is subject to
change without notice. Johnson Controls shall not be liable for errors contained herein or for
incidental or consequential damages in connection with furnishing or use of this material. Contents
of this publication may be preliminary and/or may be changed at any time without any obligation to
notify anyone of such revision or change, and shall not be regarded as a warranty.
Other Manufacturers’ Documentation
Johnson Controls does not duplicate documentation of other equipment manufacturers. When
necessary, Johnson Controls provides documentation that supplements that of other manufacturers.
When unpacking your equipment, keep all original manufacturer documentation for reference.
Technical Support
For factory technical support, Johnson Controls authorized field technicians or authorized dealer
representatives can contact Global Security Solutions Technical Support by phone at
[phone] or [phone], or by email at [email protected]. They
can also call the Field Support Center at [phone] or [phone] and use options 6, 1, 7.
End users and customers should contact their local Johnson Controls branch or authorized dealer
for any of their support needs (technical support, maintenance contracts, on-site field support,
P2000 Software Service Agreements, Service Partnerships, and so on). Visit
http://www.johnsoncontrols.com/location-finder to find your local Johnson Controls office.
For material returns contact the branch if the material was purchased through a Johnson Controls
branch or through the Product Sales Operations Team, if ordered through the Advanced Order
Management System (AOMS) and follow the RMA process; or contact the authorized dealer
representative where the material was purchased directly.
Single Point of Contact by Region
Acknowledgment
Metasys® and Johnson Controls® are trademarks of Johnson Controls. All other company and
product names are trademarks or registered trademarks of their respective owners.
European Single Point of Contact
JOHNSON CONTROLS
WESTENDHOF 3
45143 ESSEN
GERMANY
NA/SA Single Point of Contact
JOHNSON CONTROLS
507 E MICHIGAN ST
MILWAUKEE WI 53202
USA
APAC Single Point of Contact
JOHNSON CONTROLS
C/O CONTROLS PRODUCT
MANAGEMENT
NO. 22 BLOCK D NEW DISTRICT
WUXI JIANGSU PROVINCE 214142
CHINA

Declarations of Conformity
United States: This equipment has been tested and found to comply with the limits for a Class A
digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide
reasonable protection against harmful interference when the equipment is operated in a commercial
environment. This equipment generates, uses, and can radiate radio frequency energy and, if not
installed and used in accordance with the instruction manual, may cause harmful interference to
radio communications. Operation of this equipment in a residential area is likely to cause harmful
interference in which case the user will be required to correct the interference at his own expense.
Canada: CAN ICES-3 (A)/NMB-3(A)
European Union: This product complies with the requirements of the EMC Directive.
This equipment must not be modified for any reason and it must be installed as stated in the
Manufacturer’s instruction. If this shipment (or any part thereof) is supplied as second-hand
equipment, equipment for sale outside the European Economic Area or as spare parts for either a
single unit or system, it is not covered by the Directives.

UNDERWRITERS LABORATORIES COMPLIANCE VERIFICATION SHEET
The following model number is listed under Underwriters Laboratories® (UL) 1076 for Proprietary
Burglar Alarm Units and Systems, UL 294 for Access Control Systems Units and Underwriters
Laboratories of Canada ULC/ORD-C1076-86.
CKM-MR51E
When installed at the site the following requirements must be met to comply with these standards.
1. The CKM-MR51E shall be mounted in Listed Enclosures CKM-CE75-E1M, CKM-CE75-
E2M, CKM-CE150-E4M, and Listed Burglar Alarm and Access Control System Units
SPE10000-1H00, SPH10000-1H00, SPF10000-1I00, SPF1I100-1I00 or SPF1I300-1J00.
2. A CKM-MR51E mounted in Listed Enclosures CKM-CE75-E1M, CKM-CE75-E2M, CKM-
CE150-E4M, and Listed Burglar Alarm and Access Control System Units SPE10000-
1H00,SPH10000-1H00, SPF10000-1I00, SPF1I100-1I00 or SPF1I300-1J00 shall be powered
through the CKM-F8P power distribution module.
3. Transient protection devices that are installed must not be removed or defeated.
4. Do not connect equipment to an AC power source that is controlled by a switch.
5. Mounting on a three-gang steel blank cover has not been investigated by Underwriters
Laboratories.
6. A 1.5Kohm/750ohm custom end-of-line resistance supervised circuit was investigated by
Underwriter Laboratories.
7. Power for devices connected through relay/control output wiring must be provided by a UL
Listed power limited power source.
8. RS485-type readers have not been investigated by Underwriters Laboratories.
9. Encrypted communication has not investigated by Underwriters Laboratories.
10. For a UL 294 Listed system the following Listed readers may be used.
Manufacturer Models
HID Global Corp. 30387, 31503, 31815, 31880, 32005, 32788, 32985, 5355, 5365,
5395, 5405, 5455, 6005, 6100, 3110-6445, R10T, R10N, R15N,
R15T, RP15N, RP15T, R40N, R40T, RK40N, RK40T, RP40N,
RP40T, RPK40N, RPK40T
All models may be followed by additional suffixes
OSDP Readers: R10Exxx, RP10Exxx, R15Exxx, RP15Exxx,
R30Exxx, RP30Exxx, R40Exxx, RP40Exxx, RK40Exxx,
RPK40Exxx.
All models may be followed by additional suffixes. The last “X” in
the model number maybe an “R” or “N”
Mercury Security Corp. MR-5, MR-20
11. The maximum Wiegand line impedance is 8 ohms, representing 22 AWG @ 500 feet.
12. The HID 3110-6445 shall be powered by a separate power source that is UL 294 or UL 603
power limited power source.
13. Suitable for use with the model P2K-nnn-UL-x Security Management System, where n can be
any number 0 through 9 and where x can be any three letters A through Z.
14. UL 294 Performance Levels
Destructive Attack Level I
Endurance Level IV
Line Security Level I
Standby Power Level I

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CKM-MR51E READER TERMINAL MODULE
This document provides hardware installation and setup instructions for
CKM-MR51E, the authentic Mercury™ single reader, power over ethernet
(PoE) module. This document is divided into the following sections:
•General Information on page 1
•Mounting Information on page 2
•Wiring Information on page 4
•Setup Information on page 7
•IP Address Configuration on page 9
•Status LEDs on page 12
•Specifications on page 13
•Maintenance on page 14
GENERAL INFORMATION
The CKM-MR51E reader interface provides a network connected, single door
with paired reader, PoE based solution to the OEM integrator for interfacing
TTL, Wiegand, or RS-485 type readers to door hardware. The onboard twisted
pair Ethernet jack with PoE support enables easy installation.
NOTE: For UL installations, PoE powered devices shall not be used; power for
these devices must be provided by a UL 294 listed, power limited source
(12 VDC).
One physical barrier can be controlled with the CKM-MR51E, using single or
paired readers. The first reader port can accommodate a read head that utilizes
Wiegand, magnetic stripe, or two-wire RS-485 electrical signaling standards;
one- or two-wire LED controls; and buzzer control (one-wire LED mode only).
The second reader port can accommodate a read head that utilizes Wiegand or
magnetic stripe signaling; one- or two-wire LED controls; and buzzer control
(one-wire LED mode only). Two Form-C relay outputs may be used for door
strike control or alarm signaling. The relay contacts are rated at 5 A at
30 VAC/DC, dry contact configuration. Four inputs are provided for
monitoring the door contacts, exit push buttons, and alarm contacts. The
CKM-MR51E requires power from PoE or local 12 VDC. The CKM-MR51E
may be mounted in a three-gang switch box.

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A mounting plate is supplied with the unit. The CKM-MR51E may be mounted
in an enclosure; the supplied mounting plate has mounting holes that match the
CKM-MR50 mounting footprint.
MOUNTING INFORMATION
Figure 1: CKM-MR51E Hardware
Figure 2: CKM-MR51E Hardware (Solder Side)
Additional Mounting Information
Optional mounting items are shown in Figure 3.
• Three-gang stainless steel blank cover: Leviton part number 84033-40.
Available from Graybar, part number 88158404
• Magnetic switch set: G.R.I. part number: 505
2
3
41
S1
S2
123456
ON
J3J7
K1
K2
12V
J5
PoE
J6
TB1 TB2 TB3 TB4 TB5 TB6
111111
IN1 IN2 IN3 IN4 VO LED BZR CLK DAT GND VO GNDDATCLKBZRLED GNDVIN NO NC2-CNONC1-C
J2
0.2 [5.08] 2.35 [59.69]
0.15 [3.81]
2.55 [64.77] 2.55 [64.77]
5.4 [137.16]
STATUS LEDs
2.75 [69.85]
DIP SWITCH
RESET SWITCH
PoE/12Vdc
POWER SELECTOR
JUMPER
ETHERNET RJ45
CONNECTOR
ACTIVITY
(YELLOW)
LINK
(GRREN)
123456
VO
VO IN2 IN1IN3IN4
LED
BZR
CLK
DAT
GND
LED
BZR
CLK
DAT
NC GNDGND
VIN
NO
RLY 1
NO
RLY 2
NC CC
TB6
TB5
TB4
TB3
TB2
TB1
J1
6V
5V
3.3V
LNK
ACT
(K1)
(K2)
J4
D24
D19
ETHERNET
STATUS
LEDs
RELAY K1
LED
RELAY K2
LED
STATUS LEDs
SOLDER SIDE

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Figure 3: CKM-MR51E Mounting Side View
Figure 4 shows mounting plate dimensions.
Figure 4: CKM-MR51E Mounting Plate Dimensions
FIELD WIRING
MR51e WITH INCLUDED
MOUNTING PLATE
TO ETHERNET
NETWORK
OPTIONAL 3-GANG
JUNCTION BOX
OPTIONAL BLANK
COVER W/SCREWS
OPTIONAL MAGNETIC
TAMPER SWITCH
3.85 [97.8]
2.35 [59.7]
5.50 [139.7]
3.63 [92.1]
3.30 [83.8]
3.63 [92.1]
Ø0.16 [Ø4.0]
MR50 MGT HOLES
4PL
Ø0.16 [Ø4.0]
3-GANG MGT HOLES
4PL

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WIRING INFORMATION
This sections covers the following:
•Cable Routing
•Input Power
•Communication Wiring
•Reader Wiring
•Input Circuit Wiring
•Relay Circuit Wiring
Cable Routing
The cables should run in grounded conduit or at least two feet from AC
power, fluorescent lights, or other high energy sources.
IMPORTANT: All data cables should be physically separated from power lines. If
conduit is used, do not run data cables in the same conduit as power cables or
certain door strike cables, e.g. strike voltage greater that 42V or Magnetic door
locks without EMI suppression.
All cables must conform with the following regulations:
• National Electrical Code
•NFPA 70
• Local electrical codes
• Canadian Electric Code C22.1 (installations in Canada)
• BSI Standard BS7671, latest edition (installations in Great Britain)
Cabling should be made using good wiring practices and should be long
enough to allow service loops at their terminations in the enclosure.
Input Power
The CKM-MR51E is powered by one of two ways (jumper selected):
• Power is supplied via the Ethernet connection using PoE, fully
compliant to IEEE 802.3af, or
• Local 12 VDC power supply, TB5-3 (VIN), TB5-4 (GND).

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Communication Wiring
Communication between the EP controller and the CKM-MR51E is
Ethernet. (10Base-T/100Base-TX).
Reader Wiring
The first reader port supports Wiegand, magnetic stripe, and two-wire
RS-485 electrical interfaces. The second reader port supports Wiegand
and magnetic stripe electrical interfaces. Power to the first reader is
12 VDC and is current limited to 150 mA. The second reader may be
powered from the auxiliary power output on TB5-1 and TB5-2. Readers
that require different voltage or have high current requirements should be
powered separately. Refer to the reader manufacture specifications for
cabling requirements. In the two-wire LED mode, the Buzzer output is
used to drive the second LED. Reader port configuration is set via the
host software.
Figure 5: CKM-MR51E First Reader Wiring
Figure 6: CKM-MR51E Second Reader Wiring
IMPORTANT: When powering any remote device(s) by the CKM-MR51E, care
must be taken not to exceed the maximum current available. Cable gauge must
also be evaluated. See Specifications for details.

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Input Circuit Wiring
Typically, these inputs are used to monitor door position, request to exit,
or alarm contacts. Input circuits can be configured as unsupervised or
supervised. When unsupervised, reporting consists of only the open or
closed states.
When request to exit (REX) input is supervised, the strike remains locked
when a transition to open state or short state occurs. Such transitions do
not generate notifications. The strike relay unlocks only when the REX
input changes to the active state, that is, when the REX switch contact
opens or closes depending on the configuration.
When configured as supervised, the input circuit reports not only open
and closed, but also open circuit, shorted, grounded, and foreign voltage.
A supervised input circuit requires two resistors be added to the circuit to
facilitate proper reporting. The standard supervised circuit requires 1K
Ohm, 1% resistors and should be located as close to the sensor as
possible. Custom end of line (EOL) resistances may be configured via the
host software.
NOTE: Grounded and foreign voltage states are not a requirement of UL 294
and therefore not verified by UL.
The input circuit wiring configurations shown in Figure 7 are supported,
but may not be typical.
Figure 7: CKM-MR51E Input Circuit Wiring
1K,1%
1K,1%
1K,1%
1K,1%
Standard Supervised Circuit,
Normally Closed Contact
Standard Supervised Circuit,
Normally Open Contact
Unsupervised Circuit,
Normally Open Contact
Unsupervised Circuit,
Normally Closed Contact
TB2
IN4
IN2
IN3
1
IN1
TB1
1
}

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Relay Circuit Wiring
Two Form-C contact relays are provided for controlling door lock
mechanisms or alarm signaling. The relay contacts are rated at 5 A at
30 VAC/DC, dry contact configuration. Each relay has a Common pole
(C), a Normally Open pole (NO) and a Normally Closed pole (NC).
When you control the delivery of power to the door strike, the Normally
Open and Common poles are used. When you momentarily remove
power to unlock the door, as with a mag lock, the Normally Closed and
Common poles are used. Check with local building codes for proper
egress door installation.
Door lock mechanisms can generate feedback to the relay circuit that can
cause damage and premature failure of the relay. For this reason, we
recommend that either a diode or MOV (metal oxide varistor) be used to
protect the relay. Wire should be of sufficient gauge to avoid voltage loss.
IMPORTANT: It is possible for the CKM-MR51E to provide power for a 12 VDC
door strike providing the maximum current is not exceeded; see Specifications.
Figure 8: CKM-MR51E Relay Circuit Wiring
SETUP INFORMATION
Use the Jumpers to set up Power over Ethernet (PoE) or external power source.
Use DIP Switches to set up the addressing mode. Press S2 to reset board after
DIP switch is changed for new address mode.

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Table 1: Connections
Connection Symbol Description
TB1-1 IN1 Input 1
TB1-2
TB1-3 IN2 Input 2
TB1-4
TB2-1 IN3 Input 3
TB2-2
TB2-3 IN4 Input 4
TB2-4
TB3-1 VO Reader 1 Power Output – 12 VDC
TB3-2 LED Reader 1 LED Output
TB3-3 BZR Reader 1 Buzzer Output
TB3-4 CLK Reader 1 CLK/Data 1/TR+
TB3-5 DAT Reader 1 DAT/Data 0/TR-
TB3-6 GND Reader 1 Ground
TB4-1 LED Reader 2 LED Output
TB4-2 BZR Reader 2 Buzzer Output
TB4-3 CLK Reader 2 CLK/Data 1 Input
TB4-4 DAT Reader 2 DAT/Data 0 Input
TB5-1 VO Auxiliary Power Output – 12 VDC
TB5-2 GND Auxiliary Power Output Ground
TB5-3 VIN Input Power – 12 VDC (from local power supply)
TB5-4 GND Input Power Ground
TB6-1 NO Relay K1 – Normally Open Contact
TB6-2 1-C Relay K1 – Common Contact
TB6-3 NC Relay K1 – Normally Closed Contact
TB6-4 NO Relay K2 – Normally Open Contact
TB6-5 2-C Relay K2 – Common Contact
TB6-6 NC Relay K2 – Normally Closed Contact

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IP ADDRESS CONFIGURATION
The CKM-MR51E module uses two addressing modes: static IP addresses or
public DHCP. This section provides information how to set up the static IP
addressing mode. To use public DHCP mode, set up the DIP switches to
“0001” as indicated in Table 3.
NOTE: If you are using static IP addressing mode, assign a unique IP address
setting to the CKM-MR51E module before connecting it to the network, to avoid
IP addresses conflict.
Table 2: Jumpers
Jumper Set at Description
J1 N/A Factory Use Only
J2 N/A Factory Use Only
J3 N/A Factory Use Only
J4 N/A Factory Use Only
J5 PoE CKM-MR51E powered from the Ethernet connection
12V CKM-MR51E powered from an external 12 VDC power
source connected to B5-3 (VIN), TB5-4 (GND)
J6 N/A Ethernet Connection with PoE support
J7 N/A Factory Use Only
Table 3: DIP Switches
4 3 2 1 Definitions
OFF OFF OFF OFF MSC-Specific DHCP (original method)
OFF OFF OFF
ON Public DHCP1
1. Public DHCP and Static IP Addressing Modes are available with CKM-MR51E firmware revisions 1.4.2 and
later.
OFF OFF ON OFF Static IP1
OFF OFF ON ON Programming mode for static IP address assignment
ON ON ON ON MSC-Specific DHCP (original method).

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Software and Firmware Requirements
• CKM-MR51E application firmware: 1.4.2 or higher
• CKM-MR51E loader firmware: 1.1.11 or higher required to support
firmware downloads if using public DHCP or static IP addressing modes.
• Mercury controller: 1.14.7.0282 or higher
• Microsoft .NET Framework, version 4 or higher, installed on the computer
you use to connect to the MR51E
Static IP Address Configuration Procedure
Follow the steps in this section to configure the CKM-MR51E module’s
static IP addressing mode.
For direct communications between the computer and the CKM-MR51E,
use a crossover cable. Use straight-through Ethernet cable if connecting
via a hub/switch.
To enable the module’s programming mode:
1. At the CKM-MR51E, set the DIP switches to “0011,” which is the
programming mode for static IP addressing (see Table 3).
To configure the static IP address:
1. Establish a physical connection between the computer and the
CKM-MR51E.
2. From the computer, launch the MR51eAddressTool.exe file. This file
is available from the following site:
https://my.jci.com/sites/P2000EngrSup/Pages/Firmware-Downloads-NA.aspx
3. The MSC MR51e Address Configuration Tool opens.

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4. From Devices in Programming Mode, select the CKM-MR51E
module you want to program.
5. In the address configuration tool, enter the Static IP Address, Subnet
Mask, and Default Gateway. You must enter all digits, including
leading zeros.
6. Click Assign Static Address.
To use the static IP address:
1. At the CKM-MR51E, set the DIP switches to “0010,” which is the
Static IP mode (see Table 3).
2. Press S2 (the reset switch) to reset the board.
To verify the settings:
1. In the MSC MR51e Address Configuration Tool, verify that the new
IP address is displayed under Current IP Configuration. The
changes should also be logged in Address Assignment History.

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STATUS LEDS
At power up, LEDs 2 through 6 are turned ON then OFF in sequence.
After the above sequence has completed successfully, the CKM-MR51E goes
to the Waiting for IP address mode.
After the CKM-MR51E has received its IP address, the following table
describes the LEDs in the normal running mode. If the communication is lost,
the CKM-MR51E reverts back to the “waiting for IP address” mode.
Table 4: LED Description: Waiting for IP Address
LED Description
1 Offline = 0.2 second ON, 0.8 second OFF
2 Waiting for IP address: 0.5 second ON, 0.5 second OFF
3 Flashes when data is received from either reader
4 Input IN1 Status:1 OFF = Inactive, ON = Active, Flashing = Trouble
1. If this input is defined, every 3 seconds the LED is pulsed to its opposite state for 0.1 second, otherwise
the LED is off.
5 Input IN2 Status:1 OFF = Inactive, ON = Active, Flashing = Trouble
6 Input IN3 Status:1 OFF = Inactive, ON = Active, Flashing = Trouble
Table 5: LED Description: Running Mode
LED Description
1 On-line, encryption disabled = 0.8 second ON, 0.2 second OFF
On-line, encryption enabled = four pulses, 0.1 second ON, 0.1 second
OFF per second
2 Flashes when there is host communication
3 Flashes when data is received from either reader
4 Input IN1 Status: OFF = Inactive, ON = Active, Flashing = Trouble
5 Input IN2 Status: OFF = Inactive, ON = Active, Flashing = Trouble
6 Input IN3 Status: OFF = Inactive, ON = Active, Flashing = Trouble

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SPECIFICATIONS
Use this interface in low voltage, Class 2 circuits only.
Table 6: CKM-MR51E Specifications
Category Description
Power Input PoE Power Input 12.95 W, compliant to IEEE 802.3af, or
12 VDC 10%, 900 mA maximum
Power Output 12 VDC at 700 mA maximum (reader and AUX outputs combined)
Reader (TB3) 12 VDC (10.3 through 12.6) at 150 mA maximum
AUX (TB5) 12 VDC (10.7 through 13.0) at 700 mA maximum
Outputs 2 outputs, Form-C contacts rated at 5 A at 30 VAC/DC
Inputs 4 unsupervised/supervised, End of Line resistors, 1k/2k ohm, 1% 1/
4 W watt standard
Reader Interface
Reader Power See Power Output in this table.
Reader LED Output TTL compatible, high > 3 V, low < 0.5 V, 5 mA source/sink
maximum
Buzzer Output Open collector, 5 VDC open circuit maximum, 10 mA sink
maximum
Reader Data Inputs TTL compatible inputs or two-wire RS-485
Cable Requirements
Communication Ethernet, Category 5, minimum
Power 1 twisted pair, 18 AWG.
Alarm Inputs 1 twisted pair per input, 30 ohm maximum
Reader data (TTL) 18 AWG, 6 conductor, 500 ft (152 m) maximum
Reader data (RS-
485)
24 AWG, 120 ohm impedance, twisted pair with shield, with drain
wire, 1,000 ft (304.8 m) maximum
Environmental
Temperature 32 to 120°F (0 to 49 °C) operating
-67 to 185°F (-55 to 85°C) storage
Humidity 10 to 93% RHNC
Mechanical
Dimensions
(W x L x H)
Without bracket: 5.5 in x 2.75 in. x 0.96 in. (14 cm x 7 cm x 2.4 cm)
With bracket: 5.5 in. x 3.63 in. x 1.33 in. (14 cm x 9.2 cm x 3.4 cm)
Weight 4.2 oz. (120 g) without bracket 5.3 oz. (150 g) with bracket

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MAINTENANCE
Impaired Performance
The following is a list of the impaired performance conditions:
• Unit environment not as specified
• Unit power not as specified
• Cable type and length not as specified
Test Procedure
To check for proper operation of the device:
1. Verify LED status indicates device is online
2. Present a valid card to a reader connected to the device and the verify
that access is granted.
3. Present an invalid card to a reader connected to the device and the
verify that access is denied.
4. Change the state of any input and verify change of state.
5. Change the state of any output and verify change of state.

We welcome your comments at [email protected].
Security Solutions
[phone]
www.johnsoncontrols.com