Code of Federal Regulations Title 7. Agriculture § 7.1755.522—Detailed Information on Remote Switching Terminals (RST's)

(Complete One Form For Each RST)

1. Number of Subscriber Lines (These lines included in totals in Item 6, Appendix A).

1.1 Single–Party:  ____ Flat Rate ____ Message Rate.

1.2 Semi–Postpay Pay Station ____.

1.3 Prepay Pay Station ____.

1.4 PABX Lines ____ Loop Start____ Ground Start ____ Restricted at Office ____ Other ____

(Describe in Item 12, Appendix B)

1.5 Number of lines to be pushbutton __________

1.6 911 Emergency Lines ____

1.7 Anticipated ultimate capacity (20–Year) ____

2. Traffic

2.1 Originating traffic per line—CCS/BH:  ____ Initial ____ Ultimate.

2.2 Terminating traffic per line—CCS/BH:  ____ Initial ____ Ultimate

2.2.1 Terminating will be made equal to originating if it is not known to be different.

3. Subscriber Loop Resistance

3.1 Number of subscriber lines having loop resistance, including the telephone set of:

No. of Lines

1501–1900 Ohms _____

1901–3200 Ohms ____

3.2 Number of pay station lines having loop resistance, excluding the telephone set, greater than:

No. of Lines

1200 Ohms (For Prepay) ______

1000 Ohms (For Semi–Post Pay Operation) _____.

4. Range Extension

4.1 If no standby power is available at the site, loop extenders may be required on 1501 to 1900 ohms loops.

4.2 Loop extenders:  Total Quantity _____By Bidder—Quantity ____By Owner—Quantity

(Explain in Item 12, Appendix B)

4.3 VF repeaters:  Total Quantity _____ By Bidder—Quantity _____ By Owner—Quantity _____.

(Explain in Item 12, Appendix B)

5. Power Supply

5.1 Power Board.

5.1.1 The power board and associated wiring shall be of ample size to meet the load requirements when this RST reaches ____lines at the ultimate anticipated traffic rates specified in Item 2, Appendix B.

5.2 Charger input rating shall be:  Voltage _____Phase _____Frequency _____

3–Phase Connection:

3–Wire _____

4–Wire _____

Delta _____

Y_____

5.2.1 Charger shall be capable of charging the RST battery on a full float basis when the RST reaches ____ lines at ultimate traffic rate specified in Item 2, Appendix B.

5.2.2 Charger shall be redundant ____.

5.3 Battery reserve shall be ____ busy hours when the RST reaches ____ lines at the ultimate anticipated traffic specified in Item 2, Appendix B.

5.4 Standby power is available. Yes ___ No ___.

5.5 Special equipment power requirements ____ amps.

5.6 Ringing.

5.6.1 Type of Ringing.

5.6.3 Wattage to be sized for ____ lines.

5.6.4 Frequency Meter (see Item 12.3.3, Appendix A). Panel Mounted ___ Not Required ___.

6. Emergency Operation

6.1 If path to central office is opened, the RST shall be able to complete calls between subscribers in its own system:  Yes ___ No ___

Further requirements should be listed under Item 12, Appendix B.

7. RST Distribution Frame Requirements

7.1 Total number of outside plant cable pairs to be terminated ___.

7.1.1 Gauge of outside plant cable pairs ____.

7.2 Number of outside plant cable pairs to be protected ____.

7.3 Number of additional protector pair units to be provided on MDF ____.

Explain:

7.4 Main Frame Details

7.4.1 Present MDF to be reused Yes___ No___.

If “Yes”, Type ____.

Reused protectors are:  ____ (Mfr.) ____ (Type).

7.4.2 Number of pairs of arrester units (switching equipment) ____.

7.4.3 Number of pairs of gas tube arrester units (special equipment) ____.

7.4.3.1 Gas tubes to be:  ___ light, ___ medium, ___ heavy, ___ maximum duty units.

7.4.3.2 Fail shorted/low breakdown failure mode required Yes ___ No ___.

7.4.3.3 Breakdown voltage of gas tube arresters ____.

7.4.4 Number of terminated pairs to be grounded ____.

7.4.5 Factory assembled tip cable Yes ___ No ___.

7.4.5.1 Tip cable length [if other than 20 feet (610 cm)] ___.

7.4.5.2 Tip cable formed Up ___ Down ___.

7.4.6 Pairs per vertical ____.

7.4.7 Height of vertical ____ feet ____ inches.

8. Building and Floor Plan Information

8.1 RST to be mounted in building ___.

8.1.1 Earthquake bracing required Yes ___No ___(see Item 14.3.6, Appendix A).

8.1.2 Supply building floor plan.

8.2 RST to be mounted in cabinet out of doors ___.

8.2.1 Cabinet to be mounted ___on pole ___on ground.

9. Subscriber Line Test

9.1 Remote testing of subscriber lines is required Yes ___No ___.

9.2 Subscriber loop test set ___.

10. Span Lines to Host Central Office

10.1 To be supplied by Owner ___.

10.2 To be supplied by Bidder ___.

10.2.1 When the bidder is to supply the span lines, an RUS Form 397b, Trunk Carrier Systems, with the applicable parts completed must be attached with a physical layout of the span line.

11. Grounding Considerations

11.1 The RST ground will be ___ohms or less. (Refer to Item 4.6.3 of RUS TE&CM 810.)

11.2 This RST is considered to be in the following category for lightning damage probability based on the Figure 1 map of RUS TE&CM 823.____Very High ____ Higher than Average ____Average ____ Lower than Average ____Very Low

11.3 The following is additional information regarding operating environment conditions which should be considered in determining system protection requirements (tower in vicinity, high exposure, etc.):

12. Explanatory Notes