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LNL-1320 Dual Reader Interface Module
All readers that have a buzzer will beep during pre-alarm when in extended held open mode. This includes
primary and alternate readers. If the reader has two-wire LED control, this feature is disabled. The reader
starts beeping at pre-alarm time and continues to do so until the door is closed or the held open time is hit.
81.1.5
F/2F Protocol
The LNL-1320 accepts data from readers with unsupervised F/2F and supervised F/2F signaling and door
hardware. Supervised F/2F is available for readers connected to Series 2 LNL-1320 modules with firmware
version 1.57.5 or later.
Typical Unsupervised F/2F Reader
When the "F/2F Format" Output type is configured in System Administration, then door monitor contact
and REX are terminated on the LNL-1320 inputs. See the reader manufacturer documentation for the proper
connection terminals. End-Of-Line (EOL) resistors are not required.
414 —
revision 7
Typical Reader Wiring
VO
LED
BZR
D1/CLK
D0/DAT
GND
Unsupervised F/2F Reader Wiring
1
4
6
RED (1)
BRN (4)
ORG (5)
0 1
WHT (3)
2 3
4 5
GRN (2)
6 7
8 9
BLK (6)
*
#
2
3
5
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