INSTALLATION INSTRUCTIONS
GEM-EZM4, GEM-EZM8
ZONE EXPANSION MODULES
for MA3000, GEM-Series,
Signature S5500 & SS-P Series
Control Panels
NAPCO SECURITY SYSTEMS, INC.
333 BAYVIEW AVENUE
AMITYVILLE, NEW YORK 11701
SALES, REPAIRS & TECHNICAL SERVICE
TOLL FREE: (800) 645-9445
TECHNICAL SERVICE DIRECT LINE
TOLL FREE: (800) 645-9440
© Napco 1997
WI583C 2/97
DESCRIPTION
Base
Address J umpers
The capacity of the MA3000, GEM-Series and Signature
5500 and SS-P Series control panels may be expanded
through the use of GEM-EZM zone expansion modules.
GEM-EZM4 modules provide up to four additional zones;
GEM-EZM8 modules, up to 8 additional zones. Four-zone
and 8-zone modules may be combined as necessary to
supply the required number of zones. Refer to the installa-
tion instructions for the control panel in use for wiring
requirements for UL-listed applications.
Address
J P5
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
OFF
OFF
OFF
OFF
OFF
OFF
OFF
J P4
ON
ON
ON
ON
ON
ON
ON
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
ON
ON
ON
ON
ON
ON
J P3
ON
J P2
ON
J P1
OFF
ON
1
2
ON
OFF
OFF
ON
3
ON
OFF
ON
4
OFF
OFF
OFF
OFF
ON
5
ON
OFF
ON
6
OFF
OFF
ON
7
OFF
ON
WIRING
8
Wire the expansion zones to the module and the module
to the control panel in accordance with the wiring diagrams
using wire no thinner than # 22AWG. Install end-of-line
resistors on all zones even if one or more zones are not
used.
9
ON
ON
OFF
ON
10
11
12
13
14
15
16
17
18
19
20
21
22
ON
OFF
OFF
ON
ON
OFF
ON
OFF
OFF
OFF
OFF
ON
ON
OFF
ON
Note: The addition of Zone Expansion Modules will re-
duce the amount of current available at the control panel’s
Auxiliary Power Output terminals.
OFF
OFF
ON
OFF
ON
MODULE ASSIGNMENT
ON
ON
OFF
ON
Regardless of how the modules are arranged, the expan-
sion zones are divided into consecutively-numbered
groups of four. Each 4-zone module comprises one group
of zones; each 8-zone module comprises two groups.
Every module must be assigned a unique ‘‘base address’’.
In the case of a 4-zone module, the base address number
is the same as its group number. For the 8-zone module,
the base address number will be the lower of its two group
numbers. Note that (a) groups must be numbered con-
secutively (that is, missing numbers are not permitted); and
(b) no two modules may be numbered alike.
ON
OFF
OFF
ON
ON
OFF
ON
OFF
OFF
OFF
ON
OFF
ON
OFF
Table 1. Jumper emplacement as a function of Base Address.
Shaded area is not applicable to GEM-P3200 or SS-P3200.
PROGRAMMING
The control panel must be programmed with regard to
the modules (4-zone or 8-zone) in use. Referring to the
respective Programming Workbook, program EZM TYPE to
enable the module. Starting in the first location and pro-
ceeding in succession, program a ‘‘1’’ for each 4-zone
group of expansion zones in the system. For example, if
one GEM-EZM8 is used for Zones 9 through 16 (two groups
of 4), program a ‘‘1’’ in the first and second locations (right
‘‘nibble’’). Similarly, if an GEM-EZM4 is used for Zones 17
through 20 (1 group), program a ‘‘1’’ in the third location
(right ‘‘nibble’’). Thus, each GEM-EZM4 will require a ‘‘1’’ in
only one location whereas each GEM-EZM8 will require a
Example. Two GEM-EZM8s and one GEM-EZM4 are used
to provide 20 expansion zones:
Groups 1 & 2
GEM-EZM8
Group 3
Groups 4 & 5
GEM-EZM8
GEM-EZM4
Base Addr ‘‘3’’
Base Addr ‘‘1’’
Base Addr ‘‘4’’
The base address is assigned to the module by proper
selection of Address Jumpers JP1-JP5 (to the right of the
LED) in accordance with Table 1. Also refer to the Zone
Wiring Diagram.
System Wiring Diagram.
NOTES
3
NAPCO LIMITED WARRANTY
NAPCO SECURITY SYSTEMS, INC. (NAPCO) warrants its prod-
ing to act on its behalf to modify, to change, or to assume for it,
any other warranty or liability concerning its products.
ucts to be free from manufacturing defects in materials and
workmanship for thirty-six months following the date of manufac-
ture. NAPCO will, within said period, at its option, repair or replace
any product failing to operate correctly without charge to the
original purchaser or user.
In no event shall NAPCO be liable for an amount in excess of
NAPCO’s original selling price of the product, for any loss or
damage, whether direct, indirect, incidental, consequential, or
otherwise arising out of any failure of the product. Seller’s warranty,
as hereinabove set forth, shall not be enlarged, diminished or
affected by and no obligation or liability shall arise or grow out of
Seller’s rendering of technical advice or service in connection with
Buyer’s order of the goods furnished hereunder.
This warranty shall not apply to any equipment, or any part
thereof, which has been repaired by others, improperly installed,
improperly used, abused, altered, damaged, subjected to acts of
God, or on which any serial numbers have been altered, defaced
or removed. Seller will not be responsible for any dismantling or
reinstallation charges.
NAPCO RECOMMENDS THAT THE ENTIRE SYSTEM BE COM-
PLETELY TESTED WEEKLY.
THERE ARE NO WARRANTIES, EXPRESS OR IMPLIED, WHICH
EXTEND BEYOND THE DESCRIPTION ON THE FACE HEREOF.
THERE IS NO EXPRESS OR IMPLIED WARRANTY OF MERCHANT-
ABILITY OR A WARRANTY OF FITNESS FOR A PARTICULAR
PURPOSE. ADDITIONALLY, THIS WARRANTY IS IN LIEU OF ALL
OTHER OBLIGATIONS OR LIABILITIES ON THE PART OF NAPCO.
Warning: Despite frequent testing, and due to, but not limited to,
any or all of the following; criminal tampering, electrical or commu-
nications disruption, it is possible for the system to fail to perform
as expected. NAPCO does not represent that the product/system
may not be compromised or circumvented; or that the product or
system will prevent any personal injury or property loss by burglary,
robbery, fire or otherwise; nor that the product or system will in all
cases provide adequate warning or protection. A properly installed
and maintained alarm may only reduce risk of burglary, robbery,
fire or otherwise but it is not insurance or a guarantee that these
events will not occur. CONSEQUENTLY, SELLER SHALL HAVE NO
LIABILITY FOR ANY PERSONAL INJURY, PROPERTY DAMAGE, OR
OTHER LOSS BASED ON A CLAIM THE PRODUCT FAILED TO GIVE
WARNING. Therefore, the installer should in turn advise the con-
sumer to take any and all precautions for his or her safety including,
but not limited to, fleeing the premises and calling police or fire
department, in order to mitigate the possibilities of harm and/or
damage.
Any action for breach of warranty, including but not limited to any
implied warranty of merchantability, must be brought within the six
months following the end of the warranty period.
IN NO CASE SHALL NAPCO BE LIABLE TO ANYONE FOR ANY
CONSEQUENTIAL OR INCIDENTAL DAMAGES FOR BREACH OF
THIS OR ANY OTHER WARRANTY, EXPRESS OR IMPLIED, EVEN
IF THE LOSS OR DAMAGE IS CAUSED BY THE SELLER’S OWN
NEGLIGENCE OR FAULT.
In case of defect, contact the security professional who installed
and maintains your security system. In order to exercise the
warranty, the product must be returned by the security professional,
shipping costs prepaid and insured to NAPCO. After repair or
replacement, NAPCO assumes the cost ofreturning products under
warranty. NAPCO shall have no obligation under this warranty, or
otherwise, if the product has been repaired by others, improperly
installed, improperly used, abused, altered, damaged, subjected
to accident, nuisance, flood, fire or acts of God, or on which any
serial numbers have been altered, defaced or removed. NAPCO
will not be responsible for any dismantling, reassembly or reinstal-
lation charges.
NAPCO is not an insurer of either the property or safety of the
user’s family or employees, and limits its liability for any loss or
damage including incidental or consequential damages to
NAPCO’s original selling price of the product regardless of the
cause of such loss or damage.
Some states do not allow limitations on how long an implied
warranty lasts or do not allow the exclusion or limitation of incidental
or consequential damages, or differentiate in their treatment of
limitations of liability for ordinary or gross negligence, so the above
limitations or exclusions may not apply to you. This Warranty gives
you specific legal rights and you may also have other rights which
vary from state to state.
This warranty contains the entire warranty. It is the sole warranty
and any prior agreements or representations, whether oral or
written, are either merged herein or are expressly cancelled.
NAPCO neither assumes, nor authorizes any other person purport-
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