We exclusively offer FedEx Ground Shipping for all your purchases with Startechtel.com. We promise speedy delivery, offering FedEx shipping, and getting your orders out the door as fast as possible (usually same day). We primarily ship using FedEx Ground service, however we reserve the right to ship any other standard (or other) method. Business-day standard shipping orders placed by 2:00 pm PST usually ship the same day.
Covid-19 & Returns: Due to Covid-19, certain manufacturers we carry are no longer accepting returns on their products until further notice and they are only offering replacements if an item is not working. Please feel free to contact us via phone or email to confirm the return policy on any item you might be interested in before purchasing on our website.
- Mfr. Part #: BLK-4
- 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
- Durable poly-carbonate lens
- High output long life LED technology
- Four programmable flash patterns: - Single Flash - Double Flash - Quad Flash - Flicker Flash
- 6 programmable beacon and strobe brightness settings
- Immune to shock and vibration
- Flush mount or surface mount with weatherproof single 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 combination 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
- 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
- Humidity - BLK-4: 5% to 95% non-condensing
- Mounting: Fasten to wall, post, etc. with complete surface mounting hardware included
- Connections: Color coded wires with gel-filled butt connectors
Payment & Security
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.