Paradyne 3610, 3611, 3600 Series manual Procedure

COMSPHERE ±48 Vdc Central Office Power Unit

NOTE

The option straps must be set for the Independent mode of operation. For the correct settings, see the Setting the Option Straps section earlier in this guide.

To provide power to the CO Power Unit operating in Independent mode:

"Procedure

1.Use the two connector housings (AMP part number 1-480698-0) and four crimp-type contacts (AMP part number 350550-1) to attach the connector(s) to your ± 48 Vdc power input cable(s). Note that you need a hand crimping tool (AMP part number 90296-2 or equivalent) to build the connector(s).

(The contacts are crimp type and are intended for use with 20 AWG through 14 AWG wire with a maximum insulation diameter of .130 inches. For additional information, see Appendix A of this guide.)

2.Provide external fusing, if desired. (The fuses shown in Figures 2-6and 2-7are optional as per your requirements.) An optional external fuse should have a rating of 6 amperes, 250 volts and be a fast-acting type. Use a fuse similar to Littlefuse #312006.

3.If you have two input power cables and two separate ± 48 Vdc power sources (e.g., Source A and Source B), plug one input power cable from one of your ± 48 Vdc power sources (e.g., Source A) to the ±48VDC A connector to provide power to the left side of the carrier. Plug the other input power cable from a different ± 48 Vdc power source (e.g., Source B) to the ±48VDC B connector to provide power to the right side of the carrier. See Figure 2-6. (The option strap settings for this power option are listed in Table 2-3.)

If you have two input power cables and one

±48 Vdc power source, plug one input power cable into the ±48VDC A connector and the second input power cable into the ±48VDC B connector. Then, connect both power cables into the same ± 48 Vdc power source. See Figure 2-7.(The option strap settings for this power option are listed in Table 2-3.)

NOTE

The appropriate option strap settings must be set. For the correct settings, see the Setting the Option Straps section earlier in this guide.

To provide power to the CO Power Unit operating in the Redundant mode:

"Procedure

1.Use the two connector housings (AMP part number 1-480698-0) and four crimp-type contacts (AMP part number 350550-1) to attach the connector(s) to your ± 48 Vdc power input cable(s). Note that you need a hand crimping tool (AMP part number 90296-2 or equivalent) to build the connector(s).

(The contacts are crimp type and are intended for use with 20 AWG through 14 AWG wire with a maximum insulation diameter of .130 inches. For additional information, see Appendix A of this guide.)

2.Provide external fusing, if desired. (The fuses shown in Figures 2-5,2-6, and 2-7are optional as per your requirements.) An optional fuse should have a rating of 6 amperes, 250 volts and be a fast-acting type. Use a fuse similar to Littlefuse #312006.

2-12 May 1998 3000-A2-GB41-40