Viking MSB-1 Technical Practice
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TECHNICAL
TECHNICAL
Add Two-Way Voice Communication
to Your Existing IP Network Camera
It is common for IP based network cameras to have two-way audio connections.
When this is the case, the MSB-1 can be added to turn your IP network camera
into a VoIP (Voice over Internet Protocol) video phone, allowing both voice and
video to stream over the internet. If the camera already has a tiny speaker and
microphone, the MSB-1 can be added to get better and louder sounding audio by
using the audio input and output connections provided by the camera. The MSB-
1 has a microphone, a speaker, and a momentary push button housed in a stain-
less steel flush mount panel. An optional Viking model VE-5x5 can be used to
surface mount the unit to a wall or pedestal.
The MSB-1 line level audio input and output connections can be directly con-
nected to the IP camera’s line level audio output and input connections for two-
way voice communications. A built-in 2 watt amplifier powers the internal speak-
er, and there are volume controls to adjust both the speaker volume and microphone sensitivity. The 2 watt amplifi-
er can be used to power an auxiliary speaker for even greater volume and coverage.
The MSB-1 also has a momentary “CALL” button switch which can provide a momentary contact closure to trigger
the IP network camera, or ring a door bell. The front panel blue LED lights continuously to show the unit is powered,
and to help identify the “CALL” button location at night. An external contact closure can be used to turn off the blue
LED, or simply wire it in parallel with the momentary “Call” button switch to make the blue LED wink off when the but-
ton is pressed.
The MSB-1-EWP adds Enhanced Weather Protection (EWP). Use for outdoor installations where the unit is exposed
to precipitation or condensation. EWP products feature foam rubber gaskets and boots, sealed connections, gel-filled
butt connectors, as well as urethane or thermal plastic potted circuit boards with internally sealed, field-adjustable
trim pots. For more information, see DOD# 859.
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Power: 120V AC/13.8V AC UL listed adapter provided
Dimensions: Overall: 127mm x 127mm x 57mm (5” x 5” x
2.25”), Plastic Electrical Box: 102mm x 102mm x 54mm (4” x 4” x
2.12”)
Shipping Weight: 1.5 Kg (3.3 lbs)
Operating Temperature: -26°C to 54°C (-15°F to 130°F)
Humidity – MSB-1: 5% to 95% non-condensing
Humidity – MSB-1-EWP: Up to 100% condensing
Connections: Gel-filled butt connectors
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MSB-1
MSB-1
Mic / Speaker / Button
Panel for IP Cameras
October 4, 2012
• Vandal Resistant Features: 14 gauge louvered 316 stainless
steel faceplate with permanent laser etched graphics, speaker/
mic screen, heavy duty metal “Call” button and hex drive
mounting screws
• Weather Resistant Features: Marine grade 316 stainless
steel faceplate, screws and push button switch. Switch
internally sealed per IP67. Mylar speaker. Self-draining mic
mount. Faceplate, mic and speaker gaskets. Weather resistant
powder paint on optional VE-5x5 (DOD# 424).
• Volume adjustments for microphone and speaker
• Two watt amplifier to drive speaker
• Power supply included
• Blue LED indicator
• Extended temperature range (-15°F to 130°F)
• Optional VE-5x5 surface mount back box (DOD# 424)
• Optional MSB-1-EWP is designed to meet IP66 Ingress
Protection Rating (see DOD# 859 for more information)
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Use with IP camera to add two-way voice
communications for:
• Business entrances
• Residential entrances
• Pedestrian gates
• ATM machines
• Parking lots/ramps
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