ROLM CORP 500888 Quad Dtmf Corp.

( Brand: Rolm Corp ), ( Manufacturer Part Number: 500888 ), ( Country/region Of Manufacture: United States )

Review ROLM CORP Corp. Quad Assy Dtmf

The Rolm 500888 Quad DTMF Relay is a versatile and robust communication device designed for use in various applications, particularly in telecommunications systems and automated installations. This relay module is engineered to support four independent channels for Dual Tone Multi-Frequency (DTMF) signaling, enabling it to receive and decode DTMF tones with accuracy and precision.

Each channel of the Rolm 500888 Quad DTMF Relay supports both analog and loop-start signaling types, making it highly adaptable to a broad range of environments. The analog input accepts signal levels from 0V to 10V, while the loop-start input provides a current of up to 20ma to ring the DTMF sender for signaling.

The module's quiet operation makes it an excellent choice for applications where minimal background noise is essential. Moreover, its solid-state design ensures a long operational life and improved reliability compared to electromechanical relays.

The Rolm 500888 Quad DTMF Relay includes several features that simplify installation and integration. Each channel has an LED indicator, presenting a visible signal to confirm the successful reception of DTMF tones. The module also has common and normally closed contacts for each channel, which can be configured as needed.

Moreover, this relay can be reliable and durable as it is designed with a wide operating temperature range from -40 C to 75 C, allowing it to function effectively in a broad range of temperature conditions.

In summary, the Rolm 500888 Quad DTMF Relay is a high-performance, versatile, and dependable communication device that is valuable for numerous applications dealing with DTMF signaling. Its four channels with support for both analog and loop-start signaling, quiet operation, solid-state design, and various mounting options make it an ideal choice for telecommunications systems, automated installations, and other applications requiring precise decoding and handling of DTMF signals.

The Rolm 500888 Quad DTMF keyphone is a communication device that has been used extensively for making and receiving calls, as well as facilitating data transmissions using DTMF tones. This device is an older model, but it still holds value for certain applications. Below are some pros and cons of buying a Rolm 500888 Quad DTMF keyphone:

1. Durable Design: The Rolm 500888 Quad DTMF keyphone is known for its robust design, which can withstand heavy usage in a business environment.

2. DTMF Signaling: With its ability to transmit DTMF tones, this keyphone can be integrated with automated call-handling systems, such as voice mail and Interactive Voice Response (IVR) systems.

3. Four Line Capability: This model offers four separate lines, allowing users to manage multiple calls simultaneously.

4. Analog Technology: The Rolm 500888 Quad DTMF keyphone operates using analog technology, which is more reliable and less prone to issues compared to digital technology.

1. Lack of Modern Features: The Rolm 500888 Quad DTMF keyphone does not come with the advanced features that modern phones offer, such as caller ID, call forwarding, and speed dial.

2. Limited Compatibility: Due to its older design and technology, it may not be compatible with newer phone systems or cannot be used with Voice over IP (VoIP) technology.

3. Higher Costs: The Rolm 500888 Quad DTMF keyphone may be more expensive to purchase than newer models due to its age and limited production.

4. Maintenance and Repairs: Because the Rolm 500888 Quad DTMF keyphone is an older model, spare parts can be difficult to find, making maintenance and repairs more costly.

The Rolm 500888 Quad DTMF keyphone is a durable and reliable communication device that offers four line capabilities and DTMF tone transmission. Despite these advantages, it lacks modern features, has limited compatibility, and can be more expensive to maintain compared to newer models. Based on its pros and cons, the decision to buy the Rolm 500888 Quad DTMF keyphone ultimately depends on the specific requirements and the budget of the business or individual. If simplicity, reliability, and four-line management are key priorities, this old-school device may still be a good investment. However, for those who need modern features, such as caller ID or call forwarding, it is recommended to consider more recent phone models.

Details:

The product is a Rolm Corp. It is likely a component or accessory related to telecommunications equipment, possibly used for dialing signaling purposes. Quad Assay DTMF 500888, manufactured in the USA. The specific function and purpose of the Quad Assay DTMF 500888 within Rolm Corp.s product lineup would require further information or context.

And features DTMF technology. This vintage electronic device is associated with Rolm Corp.

part #: 500888 prices

• $199.99-$259.99

specifications vintaelec:

• brand: Rolm Corp
• mpn: 500888
• country/region of manufacture: United States

offer vintaelec:

• sold: 0
• started: January 11, 2025
• options: Ship-to-home
• best offers: True
• quantity: 1
• availability: In Stock

returns vintaelec:

• policy: No Returns

shipping vintaelec:

• service: USPS Ground Advantage
• transit: 5-13 Days
• class: Standard
• cost: $11.08
• type: Calculated
• carrier: USPS

payments vintaelec:

• wallet: Apple-pay
• other
• credit card: Discover

general vintaelec:

• condition: Used
• Consumer Electronics > Vintage Electronics > Other Vintage Electronics

seller vintaelec:

• city: Tucson, Arizona
• # reviews: 1
• rating: 100.0%