Paradyne 3610, 3611, 3600 Series manual Setting the Option Straps, Settings for Basic Mode

COMSPHERE ±48 Vdc Central Office Power Unit

Setting the Option Straps

The option straps are screw switches that are set by raising (loosening) or lowering (tightening) the screw to break or make the contact. There are five option straps, S1 through S5, on the CO Power Unit's backplane (see Figure 2-2).

NOTE

Older power modules have straps labeled S1 and S2. These should always be in the raised position.

Basic Mode

If you want to operate in the Basic mode, you must use one ± 48 Vdc power source and configure the option straps as shown in Table 2-2.

Table 2-2

Settings for Basic Mode

S1 Lowered

S2 Lowered

S3 Lowered

S4 Lowered

S5 Lowered

To set the option straps for Basic mode of operation:

"Procedure

1.Tighten the screws on all five straps (S1 through S5) on the CO Power Unit's backplane. Make sure that the screws are securely touching the contacts, but do not screw the straps too tight because doing so can damage the equipment.

CO Power Tray

S1

S3

CO Power Unit

Backplane

S5 S2

S4

496-13695-01

Figure 2-2. Option Straps (S1 through S5) on the CO Power Unit's Backplane

2-6 May 1998 3000-A2-GB41-40