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Designed, Manufactured and Supported in the USA
VIKING
C O M M U N I C A T I O N & S E C U R I T Y S O L U T I O N S
The BLK-4 provides high visibility indication of analog line
status through a high powered 360º LED strobe and/or
beacon visual indicator. The BLK-4 is the ideal solution
for the hearing impaired and can be used equally well in
loud warehouses or factories, where ringing phones can
not be heard. Alternatively, the BLK-4 can be used to add
emergency notification to pre-existing emergency phones
by turning on the strobe light when the emergency phone
is in use.
The included control module has a disable input which is
ideal for two-button emergency phones, such as Viking's
E-1600-20A, allowing "Info" button calls to be placed with-
out activating the relay (turning on the emergency strobe
light, camera, etc.) Four DIP switches are provided for
turning ring detection on or off, off-hook/loop detection on
or off, 12VDC or dry relay contact output and for selecting
a ring cadence mode which allows the relay to follow ring-
ing or to remain activated during the off time of standard
ring cadence. The control module can be installed on any
standard telephone line or analog PABX/KSU station. The
strobe can be interfaced to flash on ringing, off-hook or a
combination of ringing and off-hook (line in-use).
The BLK-4 is designed for indoor applications. The BLK-
Features
• BLK-4-EWP's control module and strobe light come
with Enhanced Weather Protection (EWP), EWP prod-
ucts are designed to meet IP66 Ingress Protection
Rating, see DOD# 859
• Durable polycarbonate lens
• High output long life LED technology
• Four programmable flash patterns:
- Single Flash
- Quad Flash
• 6 programmable beacon and strobe brightness set-
tings
• Immune to shock and vibration
• Flush mount or surface mount with weatherproof sin-
gle gang box (included)
• 3/4" knockouts for connecting conduit, etc.
• Strobe and control module may be installed separately
• Can be configured to signal: ringing, off-hook, a com-
bination of both ringing and off-hook (line in-use), or
triggered from a contact closure
• One set of (NO) normally open and (NC) normally
closed relay contacts provided
• Selectable ring cadence mode (strobe light will remain
flashing between rings)
• Switched 12V DC output (follows relay activation for
powering strobe lights, cameras, etc.)
• On/off switches for ring detection and off-hook/loop
detection
• Disable input, ideal for use with two-button emergency
phones like Viking's E-1600-20A (DOD# 215), will not
activate strobe light on "Info" calls
PRODUCT MANUAL
Provide LED Strobe / Beacon
Visual Indication of Line Status
- Double Flash
- Flicker Flash
4-EWP is equipped with Enhanced Weather Protection
(EWP) for outdoor installations where the unit is exposed
to precipitation or condensation. For more information,
see DOD# 859.
The kit includes: (1) control module, (1) SL-2/SL-2-EWP
blue LED strobe light, (1) 12V DC power adapter, (16) gel-
filled butt connectors and (1) single gang weatherproof
mounting box with gaskets and hardware.
Applications
• Ringing Phone or TTY indication for the hearing im-
paired
• Ringing phone indication in loud warehouses and fac-
tories
• Emergency illumination for emergency phones in ele-
vators, campuses, hallways, parking ramps, etc.
• Alarm indication for security systems or alarm panels
with phone dialers
Specifications
Power: 120V AC to 12V DC adapter provided
Maximum Power Supply Run Length on CAT-5: 1 pair = 125 ft,
2 pair = 225 ft, 3 pair = 325 ft, 4 pair = 475 ft
Maximum SL-2 Wire Run Length on CAT-5: 3 wires = 100 ft, 6
wires = 300 ft
Strobe Dimensions: 111mm diameter x 69mm (4.38" x 2.75")
Control Module Dimensions: 74mm x 53mm x 25mm (2.9" x 2.1"
x 1.0")
Shipping Weight: 1.5 kg (3.3 lbs)
Operating Temperature: -26° to 54°C (-15° to 130° F)
Relay Contact Rating: .5A @ 125V AC/1A @ 30V DC
Minimum Loop Current: 15 mA
Minimum Ring Voltage: 25V RMS
Ringer Equivalence: 0.5 A REN
Disable/Info Switch Input: 50mA/80mW maximum
Strobe Flash Rate: 60 flashes per minute (default) see Strobe
Flash Patterns page 6
Humidity - BLK-4: 5% to 95% non-condensing
Humidity - BLK-4-EWP: up to 100% condensing
Mounting: Fasten to wall, post, etc. with complete surface mount-
ing hardware included
Connections: Color coded wires with gel-filled butt connectors
BLK-4/EWP
Line Status LED Strobe/
Beacon Light Kit
April 17, 2013
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Table of Contents
Summary of Contents for Viking BLK-4
- Page 1 Alternatively, the BLK-4 can be used to add emergency notification to pre-existing emergency phones by turning on the strobe light when the emergency phone is in use.
- Page 2 Wiring IMPORTANT: Electronic devices are susceptible to lightning and power station electrical surges from both the AC outlet and the telephone line. It is recommended that a surge protector be installed to protect against such surges. Internal View of the Weatherproof Single Gang Box (included) * Gel-Filled Butt...
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Page 3: Installation
B. Front Mounting Without Weatherproof Box 2.75” Wall, post, etc. The BLK-4 Strobe Light Kit may be mounted without using the included weatherproof box. To mount the strobe light from the front, use the diagram shown to the right. - Page 4 Programming the BLK-4 Control Module A. DIP Switches BLK-4 Control Module Switch 2 Ring Cadence Mode (see section C) Ring Cadence Mode ON - relay remains activated in between rings. Ring Cadence Mode OFF - relay is activated only dur- ing ringing.
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Page 5: Trigger Input
“Info” button will not activate the strobe light. This way, only the “Help/Emergency” outbound calls will activate the relay. Cut one of the “Info” switch wires in half and connect each end to the blue wires on the BLK-4 control module as shown in the diagram at the right. -
Page 6: Accessing The Programming Mode
Strobe (See Strobe Flash Patterns, section D). Note: The SL-2 is factory default programmed as a steady on beacon with a single flash strobe when activated. The beacon and strobe are set to their brightest settings. All programming should be done prior to connecting to the BLK-4 control module. A. Accessing the Programming Mode (Optional, the SL-2 is factory programmed to the Beacon/Strobe Mode and brightest Beacon/Strobe settings). -
Page 7: Operation
C. Programming Features List Feature # : Description: Beacon/Strobe (factory default) Strobe Only Beacon Only Strobe Brightness 1-6 (factory default = 6/Brightest setting) Beacon Brightness 1-6 (factory default = 6/Brightest setting) Single Flash Strobe (factory default) Double Flash Strobe Quad Flash Strobe Flicker Flash Strobe Reset to Factory Default Settings D. -
Page 8: Warranty
Product Support: (715) 386-8666 Due to the dynamic nature of the product design, the information contained in this document is subject to change without notice. Viking Electronics, and its affiliates and/or subsidiaries assume no responsibility for errors and omissions contained in this information. Revisions of this document or new editions of it may be issued to incorporate such changes.