CPS » Telephone Line Sharing

Sharing Telephone Lines

 

Most telephone lines are under utilized making the effective cost for actual usage much higher than it appears. This is as true for the SOHO (Small Office Home Office) as it is for larger commercial organizations. (Click here for more information)     


Product Sections:

     - Telco Call Waiting Products
     
- How to combine the products?

Remote Reboot Switches AC & DC Power Control
Remote Switching
RS-232 Products
Telephone Line Sharing
Dial Security
DSL Products
TSS Picture
 
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TSS SWITCHES (12 different models)

Up to 64 modems can contend for any available telephone line. Used primarily for shared outbound Internet access. Can be used with or without LAN modem pools. Various models from 1-4 TelCo lines. Also see Combining Products.

 

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MODEM ROUTER SWITCHES  (MRS)

Caller can select up to 8 remote modem ports. Access via Touch-Tone or Security Key. Optional remote AC power control. Use for:

  • Remote Maintenance Remote PC access

FTS Picture

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FLEXIE TELCO SWITCH  (FTS-8)

Programmable remote selection and control of eight ports. Access via Touch-Tone. Optional remote AC power control and reset button reboots. Use for:

  • Remote Maintenance
  • Remote PC access
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FLEXIE TELCO SWITCH  (FTS-3)

Programmable remote selection and control of three ports. Access via Touch-Tone. Optional remote AC power control and reset button reboots. Use for:

  • Remote Maintenance
  • Remote PC access

 

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RS-232 PORT SELECTION  (232-PSS)

Caller can select up to 8 remote RS-232 ports. Share the modem and the TelCo line. Very secure and Very automatic access. Lowest price alternative available. Use for:

  • Remote Maintenance Remote PC access
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2C MODEM SELECTOR

Caller selects either of two alternate modems via touch-tones. Other calls pass to the default port. Use for home PC access or remote maintenance applications on a shared line. Optional AC power control. Use for:

  • Remote Maintenance Remote PC access
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FLIP

Four port A/B Switch for TelCo lines. The "Switch" to the four alternate ports can be made LOCALLY, REMOTELY over modems, or AUTOMATICALLY on time/date. Stack them for additional ports. Use for:

  • Dynamic allocation of dial resources
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AB-M

Remote ABCD Switch, Matrix, or X2 Version. Use for:

  • Dynamic allocation of dial resources

 

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POTS LINE COUPLER  (PLC)

Connects two standard analog phone lines together to allow calls on an alternate network.

 

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MULTI PORT REMOTE REBOOT CONTROLLER  (MP-RRC)

Selection and remote control of up to 8 ports (AC power or reset button reboots) over a single dial line. Use for:

  • Secure access Share a phone line for maintenance applications Control AC power (On/Off/Reset)
  • Press the reset buttons remotely

 

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THREE PORT REMOTE REBOOT CONTROLLER  (3P-RRC)

Selection and remote control of up to 3 ports (AC power or reset button reboots) over a single dial line. Use for:

  • Secure access Share a phone line for maintenance applications Control AC power (On/Off/Reset)
  • Press the reset buttons remotely

 

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SINGLE PORT REMOTE REBOOT CONTROLLER  (SP-RRC)

Remote control of a single port (AC power or reset button reboots) over a shared dial line. Use for:

  • Secure access Share a phone line for maintenance applications Control AC power (On/Off/Reset)
  • Press the reset buttons remotely

 

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REMOTE RESET UNIT  (RRU)

Caller elects to "push the reset button" on a remote PC. Other calls pass through transparently (Security Key required for sharing). Connects to the reset connector on the target PC's motherboard. Use for:

  • Secure access Share a phone line for maintenance applications
  • Press the reset buttons remotely

 

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KEY-BASED REMOTE REBOOT CONTROLLER  (K-RRC)

Easily, yet very securely, control AC Power or press the reset button on remote equipment out-of-band, over ordinary telephone lines. Other calls pass through transparently (Security Key required for sharing).

  • Secure access Share a phone line for maintenance applications
  • Control AC power (On/Off/Reset)

 


TELCO CALL WAITING PRODUCTS:
(Click here for more information about Telco)     

 
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CALL WAITING ALERT  (CWA)

This is the "lite" version. It provides:

  • "Quick disconnect" push button. Pressing the Button immediately disconnects the modem and allows the waiting call to ring the phone port. Use for Internet access.
Use for:
  • Internet access
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AUTO ALERT  

Provides all of the above plus:

  • "Automatic switch".
Use for:
  • Internet access

 

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CALL WAITING SWITCH  (CWS)

Provides all of the above plus:

  • "Flash hook".
  • Additional LEDs and circuitry to monitor line and modem activity.
Also see Combining Products. Use for:
  • Internet access

 

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INTERNET CID/CALL WAITING MANAGER  (ICWM)

Provides all of the above plus:

  • "Screen Pops". Provides a number of call management and audit functions.
  • Program CID numbers to abort or take other action while the computer and modem are OFF.
Use for:
  • Internet access

 


 

COMBINING THE PRODUCTS:

 

 

The Telephone Line Sharing products can obviously be used separately, but the great thing about the CPS product line is that many of the products can also be combined to exponentially increase the telephone line utilization and savings. It is impossible to document all of the combinations, but the following are a few fundamental examples.

NOTE: This is also covered in an article "Optimizing SOHO Telephone Lines with Call Waiting".

SINGLE LINE SHARING
In many SOHO applications it is typical to try to share a single phone line between three devices; a VOICE SET, a FAX, and a MODEM. In the past, a number of different vendors supplied boxes to perform this function. The boxes would recognize the inbound calling device and direct the call to the proper port (voice, fax, or modem).

In today's SOHO world however, there is not much requirement to receive inbound modem calls since the Internet is acting as the clearing house for information as well as e-mail (unless you are using one of the remote access packages). Accessing the Internet is an outbound dial application. Additionally, most fax machines now have jacks for a VOICE SET and an ANSWERING MACHINE and they handle the switching between the various connections as well as the FAX, of course. So the reason for the legacy types of sharing boxes has all but disappeared.

A more up to date alternative is to connect your PHONE and ANSWERING MACHINE through the FAX machine and connect your modem to a CPS Call Waiting Switch (diagram below). This accomplishes the same general sharing objective as the older boxes and at lower cost. More importantly, it provides the added advantage of never missing an important inbound customer call. And your customer will not get a busy signal or unanswered ring simply because you are on the Internet. This adds a new dimension to the sharing concept. Note Call Waiting service from your local phone company is also required.
 

 
Old vs. New Method Application Diagram  

 

ADDING A MODEM LINE SHARING SWITCH
 

 
Combination Application Diagram  

 

MULTI- LINE APPLICATION  (provides a maximum 6 month pay out)
Since Internet access is probably the single largest requirement for sharing telephone lines, the following diagram demonstrates how different CPS "sharing products" can be combined to provide the Ultimate in Telephone Line Sharing for Internet Access; or any other access for that matter.

This application eliminates the need to dedicate certain lines to Internet access. Instead, it allows you to use all of your lines for outbound access while never missing an inbound call.

Another great thing about this configuration is that your 56KB modems by-pass the current phone system that may present a 9600 or 19.2KB restriction.

Each of the products may be used individually or they may be combined with any other product in the diagram. If your application only requires one or more of the products or the number of lines at this time, simply hold your finger over those that may not be needed, while keeping in mind that they can be added as your requirements change. Combine any of the following products and watch your savings grow. They can all play together.
 

 
Combination Application Diagram  




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