Eight or Sixteen Channel Contact Closure System
With Power Fail Safe Normally Open / Normally Closed Outputs
FEATURES:
• Form-C (Normally Open or Normally
Closed) Dry Contact Closure
• Latching Relays reduce power requirement
• User-Selectable feature maintains Contact
Status through Power-Cycle and Loss-ofOptical-Power.
• User Control to Reset all Contact Status
• Diagnostics: DC Power, Optical Presence,
and Channel Indicators
• High Density DB26 Data Connector with
Adaptor to screw terminal
SPECIFICATIONS:
Contact Closure:
Input.....................Switch Closure to Ground
Output ........................................Dry Contact
Response Time.....................................5 ms
Maximum Voltage .........40 VDC or Peak AC
Maximum Current.............................0.5 amp
Connector.......................DB 26 with Adaptor
............................. To Screw Terminal Block
Optical:
Wavelength ....................................1310 nm
Loss Budget ...................................... .21 dB
Connector.................................................FC
Temperature (Operating):
-40°C to +75°C, non-condensing
Power Supply:
Module - 12 VDC (AFI Part #: PS-12)
Power Consumption.......................3 Watts
Rack Card (See AFI Part #: SR-20D/2)
Power Consumption.......................3 Watts
Size (81SL Series):
Module ..........................81/8” x 41/8” x 11/8”
Rack Card.............................6
1/2” x 5” x 1”
Size (82SL Series):
Module ..........................81/8” x 41/8” x 11/2”
Rack Card.............................6
Note: 82SL Series Rack Card Requires
Two Slots
1/2” x 5” x 2”
Ordering information:
MT-81SL = Module Transmitter- 8 Channel
RT-81SL = Rack Card Transmit- 8 Channel
MR-81SL = Module Receiver- 8 Channel
RR-81SL = Rack Card Receiver- 8 Channel
MT-82SL = Module Transmitter-16 Channel
RT-82SL = Rack Card Transmit-16 Channel
MR-82SL = Module Receiver-16 Channel
RR-82SL = Rack Card Receiver-16 Channel
THE 81 SERIES AND 82
SERIES ARE AVAILABLE FOR
MULTIMODE APPLICATIONS
The American Fibertek 81SL Series multiplexes 8 channels of dry latching
contact closure on one singlemode fiber. The American Fibertek 82SL
multiplexes 16 channels of dry latching cont act closure on one singlem ode
fiber. A user-selectable feature allows the contact status to be maintained
unchanged or reset through power-cycle and loss-of-optical-power. A reset
button is available to clear all contact status to the default state. Individ ual
channel LEDs on the transmitter and the receiver units i ndi cate the c hann el
status. These systems require no field adjustments at installation or
additional maintenance thereafter. Diagnostic indicators provide a quick
visual indication of system status. Equipment may be ordered as stand
alone modules or rack cards that are mounted in the SR-20D/2 or SR20R/1 AFI Card Cages. The “Afinety” intelligent remote monitoring
system is available on the Rack Card product, please consult factory.
One
Contact 1 In:
Gnd
•
•
•
•
Contact 8 In:
Gnd
MT-81SL
or
RT-81SL
Transmitter
Singlemode
One
Contact 1 In:
Gnd
•
•
•
•
Contact 16 In:
Gnd
MT-82SL
or
RT-82SL
Transmitter
Singlemode
81SL / 82SL
SERIES
SINGLEMODE
MR-81SL
or
RR-81SL
Receiver
MR-82SL
or
RR-82SL
Receiver
Contact 1 Out:
Norm Open
Common
Norm Closed
•
•
Contact 8 Out:
Norm Open
Common
Norm Closed
Contact 1 Out:
Norm Open
Common
Norm Closed
•
•
Contact 16 Out:
Norm Open
Common
Norm Closed