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or outside the secured area and is used in conjunc-
tion with a proximity card (enabled for arming) pre-
sented at a card reader. When the RTA button is
pressed, a window of time is created during which a
valid card must be presented to the card reader in
order for arming to take place. This window of time
is equal to six times (6x) the time programmed in the
"Un-Lock" time (see pages 11 and 16) The RTA
button is a normally open momentary switch wired
between terminals 28 and 29. Before arming, the
area to be armed must be secured (all protected
doors closed, all motion sensors stable, etc.).

Note:

Consult all installation instructions provided with

each accessory before installation and connection to
the GEM-ACM1D.

5. Connect Card Reader(s).

Each GEM-ACM1D can

control one access card reader and two when used with
a GEM-2D module. Card readers can be installed on
one door (to control both entry and exit) or when used
with the GEM-2D on two separate doors (to control ac-
cess in one direction only). Connect the Card Readers
to the GEM-ACM1D as shown in the table below.

Note:

Connecting the power lead of a 5VDC reader to

a 12VDC configured power terminal may damage the
card reader. See "Card Reader Power Jumper" further
in this manual for proper power configuration.

Each ACM will operate with any card reader that trans-

mits data in a Weigand format, regardless of manufac-
turer. Two card formats are supported: (1) NAPCO
standard 36 bit format or (2) HID standard 26 bit format.
The "embossed" number printed on the face of the
card, up to 6 digits, must be manually entered as the
user code (see Programming pages 12 and 18). When
this embossed number is entered and configured in the
system, the number cannot be entered at a system key-
pad for access.

Reader LED Indications

Many card readers include an LED for visual feedback

when access cards are presented to the reader. See
Table 3 for the variety of LED indications and their
meanings.

Remote Status LED's (Optional)

Some card readers provide LED's that can be wired to

indicate system status. For readers with a snap-on
bezel and red and green LED's, wire to terminals 30
and 31 (door 1) and terminals 48 and 49 (door 2).

When Stealth Mode is enabled, the LED indications

are displayed for one minute only. See Stealth Mode
section on page 10 below. When Stealth Mode is
disabled ("normal operation"), the LED's are always
enabled and mimic the Keypad Status LEDs for the
following functions only: Armed, Disarmed, Ready,
Not-Ready and Alarm.

Card Reader Sounder Operation

Many card readers include a sounder for audible feed-

back. The sounder output can be connected to local
warning devices for:

•

Access Door Kick-In

. Kick-In occurs when a locked

access door is opened (the n/c circuit between termi-
nals 25-26 or 43-44 opens). A "Kick-In" can also oc-
cur if either door circuit is shorted while locked (a su-
pervisory resistor should be connected as close to
the door contact as possible, as required for Grade A
installations). The Sounder Out terminals 23 and/or
41 turns active low, and the local sounder activates
and remains active until the access door is closed.

Additionally the "Kick-In" condition will cause the

GEM-X255 connected to the GEM-ACM1D to sense
the zone programmed "Kick-In Zone" as faulted. De-
pending on the panel program, a faulted "Kick-In
Zone" will generate an alarm or trouble. Typically,
this zone would be programmed for 24-hour and Bur-
glary output. The panel will continue to sense this
zone as open until the door contact is restored.

•

Door Ajar

. The access door is open for 30 seconds

or longer. The local sounder activates and remains
active until the door is closed.

A "Door Ajar" condition causes the GEM-ACM1D to

turn the (-) SND OUT (terminal 23) active low.  Typi-
cally, this activates the card reader sounder.  A re-
mote low current sounder may be wired to the SND
OUT and (+) READER PWR (terminal 17), but be
aware that the sounder will activate whenever the
GEM-ACM1D uses the SND OUT terminal to gener-
ate sounds on the card reader (valid card, RTE but-
ton press, first swipe of double swipe arm, etc.). The
SND OUT will remain on until the door is closed or
until the SND OFF button is pressed.  (The SND OFF
button is a N/O momentary push button wired to ter-
minals 24 and 25 of the GEM-ACM1D).

Additionally the "Door Ajar" condition will cause the

GEM-X255 connected to the GEM-ACM1D to sense
the zone programmed "Door Ajar Zone" as faulted.
Depending on the panel program, a faulted "Door
Ajar Zone" will generate an alarm or trouble. The
panel will continue to sense this zone as open until

INST

ION/
M

OUNTING INSTRUCTIONS

Table 3: Reader LED Indications

LED INDICATION

ACCESS CONDITION

Steady Red

Door Locked

Short Steady Green

Card Read--Invalid card or

disabled user

Alternating Green and Red