Viking blk-1a Service Manual

BLK-1A

BLK-1A

Line Status

Strobe Light Kit

December 26, 2001

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TECHNICAL

TECHNICAL

The BLK-1A provides high visibility indication of analog line status
through a high powered one million candle power strobe light. The
BLK-1A 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-1A 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 kit includes: (1) control module, (1) blue strobe light,
(1) 12V DC power adapter, (1) single gang weatherproof
mounting box with gaskets and hardware, (2) wire nuts,
and 20 feet of wire.

The control module can be installed on any standard telephone line or

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• Vandal resistant polycarbonate lens

• Strobe and control module may be installed
separately

• Long life 1 million candle power blue strobe
light

• Flush mount or surface mount with
weather proof single gang box (included)

• 3/4” knockouts for connecting conduit, etc.

• Easy terminal screw installation

• Can be configured to signal ringing or a
combination of both ringing and off-hook
(line in-use)

• Auxiliary relay contact output provided

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Power: 120V AC to 12V DC adapter provided
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)
Contact Rating: .5A @ 125V AC/1A @ 30V DC
Minimum Loop Current: 15 mA
Minimum Ring Voltage: 40 V RMS
Strobe Output: 1 million candle power @ 1 second flash rate
Ringer Equivalence: 0.5 A REN
Connections: 10 pin screw terminal block and (2) wire nuts
Control Module Mounting: (2) screws (not included) or foam

tape (included)
Strobe Mounting: Fasten to wall, post, etc. with complete sur­face mounting hardware included

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analog PABX/KSU station. The 1 million candle power strobe can be interfaced to flash on ring­ing or a combination of ringing and
off-hook (line in-use).

The LDB-2 ring/loop detect control
module is also available separately.

Provide Strobe Light Indication

of Line Status

• Ringing Phone or TTY indication for the
hearing impaired

• Ringing phone indication in loud warehouses
and factories

• Emergency illumination for emergency
phones in elevators, campuses, hallways,
parking ramps, etc.

• Alarm indication for security systems or alarm
panels with phone dialers

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Need More Information on the LBD-2?

Call [phone] and select 408.

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A. Installing the Strobe Light

2.75”

(2) #8-32 x 2 1/2 Phillips

Head Self Tapping

Screws (included)

(2) #10-32 x 5/8

Phillips Head Self

Tapping Screws

(included)

To LDB-2

Control Module

(included)

Strobe Light

(included)

1. Using the Included Weatherproof Box

2. Front Mounting Without the Weatherproof Box

The BLK-1A Strobe Light Kit may be mounted without
using the included weatherproof box. To mount the
strobe light from the front, use the diagram below.

To mount the strobe light from the rear, use the
diagram below.

1

2

3

4

5

6

7

8

9

10

12VDC

Relay Contact
Output

Auxiliary Relay
Contact Output

Phone

Line

Back view of weatherproof
single gang box (included)

Front View of the

Strobe Light (included)

3. Rear Mounting Without the Weatherproof Box

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. Contact Panamax at (800)
472-5555 or Electronic Specialists Inc. at [phone].

!

Side View of the

Strobe Light (included)

Strobe Light

(included)

To LDB-2

Control Module

(included)

Wall, post, etc.

4.60

2.84

1 2 3 4 5 6 7 8 9 10

(2) 10-32 x 3/8" self

tapping screws

4.38

diameter

Nipple 1/2" x close

(2) 6-32 x 3/4" screws

2.75

0.6

1.05

4.60

2.50

1.50

2.84

(2) Knockout

Plugs

2.0

Blue Strobe

Light

Foam

Gasket

Strobe

Mounting Ring

1/2" Close Nipple

Faceplate

Foam

Gasket

Weatherproof

Box