American Fibertek MT-88SL, MR-88SL, RT-88SL, RR-88SL Specsheet
Features:
channels of
A set
tes the
The Contact Input supervision will detect an open connection and a
shorted connection as an alarm. The alarm condition is removed only
ovided such that, if the optical power is loss or
the transmitter or receiver dc power is loss, the normally open contact
Diagnostic indicators provide a quick visual indication of system
ntelligent remote monitoring system is
that
8--
>
Channel 8
Channel 8
8
CHANNEL
SUPERVISED
CONTACT CLOSURE SYSTEM
8
Channels, Form-C (Normally Open or
Normally Closed) Dry Contact Closure
Diagnos
tics: Power, Optical Presence
and Channel Indicators
High Density
Adapto
External
Specifications:
Contact Input:
-
Supervised
-
Requires 1Kohm Series resistor near the
remote contact
-A Contact State is determined to be open
(off) when
input differs from a predetermined range
-
A Contact State is determined to be closed
(on) when
input falls within a predetermined range
-
If the MT/RT-88SL loses power or the fiber
is cut
/
contacts will open and an alarm condition
will be indicated.
-
If the MR/RR-88SL loses power or the fiber
is cut
/
88SL
contacts will open and an alarm
condition will be indicated.
-
TVS Transient Voltage Suppression
(Used on all Contact Inputs)
-
Connector
to Screw Terminal
Contact Output
Contact Closure Rating
40
Response Time
Connector......................DB26 with Adaptor
to Screw Terminal
Optical:
Wavelength
Loss Budget (9/125µ)
Connector...............................................FC
Temperature (Operating)
-
40°C to +75°C, non-condensing
DB26 Data Connector with
r to scr
ew terminal
Contact Input
External Contact
the voltage at the
the voltage at the MT/RT-88SL
disconnected, the MR/RR-88SL
disconnected, the MR-88SL/RR
.....................
:
Volt DC or Peak AC Per Channel
...................................
.....................................
Supervision
Closure
MT/RT-88SL
DB26 with Adaptor
..............
........................21
0.5A Max.
-
Diodes
5 ms
1310nm
dB
88SL
EXTERNAL
SERIES
SINGLE
CC
MODE
The American Fibertek 88SL Series multiplexes 8
supervised input
of
8 LEDs on the transmitter and the receiver units indica
channel(s)
when the Contact Input voltage falls within a predetermined range.
Failsafe operation is pr
outputs will go
status. The Afinety i
available on the Rack Card product, please consult factory.
Equipment may be ordered as stand alone modules or rack cards
are mounted in the
status
dry
contact closure on one
.
to
the alarm
American Fibertek Card Cage: SR
states (
open).
single
mode
-20/2
fiber.
Power Supply:
Module
Ra
Size:
Module
Rack Card (1 rack slot)............
Product Ordering Information:
MT = Module Transmitter Signal Source
MR =
RT =
RR =
Example: MT
7/18/201
12 VDC (AFI Part # PS-12D)
ck Card
AFI SR 20/2
..........................
Module Receiver Signal Receive
Rack Card Transmitter - Signal Source
Rac
k Card Receiver Signal Receive
-88SL
1
8
to RR
1/8
x 4
-88
6½
SL
1/8
x 1
x 5
1/
8
x1
CONTACT
INPUT
Supervised
Channel 1
S
to
MT
RT
-88SL
or
-88SL
ONE
SINGLE
FIBER
MODE
CONTACT
MR
-88SL
or
RR
-88SL
OUTPUT
Channel 1
S
to
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