The MS-42A from Pro-Co is a rack-mountable four-channel microphone splitter that splits four low-impedance microphone signals into two outputs, allowing two mic preamps to be fed from one source. The MS-42A is ideal for use in stage monitor systems where an on-stage mixer is used or in recording applications where PA system microphones must also go to a recording mixer.
Note: The RFL™ 9745 Audio Tone Teleprotection system is expected to no longer be available for purchase as of August 1, 2019. For additional details please reference Bulletin PO-019.
![Solid Audio Ms 42 Specs Solid Audio Ms 42 Specs](/uploads/1/2/4/7/124715504/838528642.jpg)
Product Description
RFL™ 9745 Teleprotection Channel – Analog or Digital
The RFL™ 9745 is a fully programmable Teleprotection Channel suitable for Direct Transfer Trip, Permissive Transfer Trip, Blocking and Unblocking applications. Flash memory and remote RS-232 communications allows new firmware to be loaded making field programming possible without having to open the chassis. The communications interface can be converted in the field to adapt to different types of media. An unprecedented level of diagnostic information is available and easily accessible with the RFL™ 9745. RFL’s sequence-of-events, diagnostics package provides a convenient method for evaluating communications system performance during the fault clearing process.
The RFL™ 9745 is a fully programmable Teleprotection Channel suitable for Direct Transfer Trip, Permissive Transfer Trip, Blocking and Unblocking applications. Flash memory and remote RS-232 communications allows new firmware to be loaded making field programming possible without having to open the chassis. The communications interface can be converted in the field to adapt to different types of media. An unprecedented level of diagnostic information is available and easily accessible with the RFL™ 9745. RFL’s sequence-of-events, diagnostics package provides a convenient method for evaluating communications system performance during the fault clearing process.
Digital Upgrade Kit for RFL® 9745 Protection Equipment
Starting as early as 2015, telephone companies have announced the discontinuance of analog leased lines. If you are currently operating your RFL™ 9745 with an audio tone interface, you need a simple path forward. RFL offers complete digital upgrade kits that will allow you to replace your analog interface with a digital interface to 64kbps DDS or T1.
Select Your Upgrade Path
The value of a simple upgrade solution is clear when considering the operational expense of drawings, engineering, installation, rewiring, and troubleshooting a new system. Upgrade kits install in under 90 minutes, without replacing the existing relays or rewiring the relay connections. The 9745 units do not need to be removed from the rack and CSU/DSU equipment can be preconfigured for a seamless changeover.
Related Product Bulletins
Category: 9745 Bulletins | 08/01/2018
Category: Cyber Security - Protection Products | 07/01/2016
Category: 9745 Bulletins | 07/01/2016
Category: 9745 Bulletins | 05/22/2015
Category: 9745 Bulletins | 08/20/2014
Category: 9745 Bulletins | 08/20/2014
Category: 9745 Bulletins | 08/20/2014
Category: Bulletins | 03/01/2009
(Access to Bulletins requires an RFL account)
Software | Windows 10 Pro Office 365 30-day trial |
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Dimensions | 11.50 x 7.93 x 0.33 in (292.10 x 201.42 x 8.5 mm) |
Weight | m3: 1.69 lbs (768 g) i5: 1.70 lbs (770 g) |
Storage | Solid state drive (SSD) options: 128GB, 256GB, 512GB, or 1TB4 |
Display | Screen: 12.3' PixelSense Display Aspect Ratio: 3:2 |
Battery life | Up to 13.5 hours video playback2 |
Processor | Intel 7th Gen Core m3, i5, or i7 |
Graphics | Intel HD Graphics 615 (m3) Intel HD Graphics 620 (i5) |
Security | TPM 2.0 chip for enterprise security Enterprise-grade protection with Windows Hello face sign-in |
Memory | 4GB, 8GB, 16GB RAM |
Wireless | Bluetooth Wireless 4.1 technology |
Ports | Full-size USB 3.0 Surface Connect Mini DisplayPort |
Cameras, video, and audio | Windows Hello face authentication camera (front-facing) 5.0MP front-facing camera with 1080p Skype HD video 8.0MP rear-facing autofocus camera with 1080p Full HD video 1.6 W Stereo speakers with Dolby Audio Premium |
Exterior | Surface Pen (sold separately) Surface Arc Mouse (sold separately) |
Sensors | Ambient light sensor Accelerometer |
What's in the box | Surface Pro Quick Start Guide |
Warranty | 1-year limited hardware warranty |