Philips DBS-EX23-530 manual Distance from the DBS to the CSU, To 150 ft 150-450 ft 450-655 ft

Installation Procedures Installation

6. Set SW1 on the ISDN card according to the following table.

These switch settings correspond to the distance between the DBS and the CSU. To turn a switch on, flip it to the “up” position.

Table 2-11. Switch settings for SW1 on the ISDN card

SW		Distance from the DBS to the CSU
	0 to 150 ft.		150-450 ft.	450-655 ft.
SW1	On		Off	Off
SW2	Off		On	Off
SW3	Off		Off	On
SW4	Off		On	Off
SW5	Off		Off	On
SW6	Off		On	Off
SW7	Off		Off	On
SW8	Not used		Not used	Not used

7.Install the ISDN card in the “EC/TRK” slot

8.Connect the Sync Cable from CN1 on the Sync Unit to CN5 on the ISDN card.

Figure 2-6. Sync Unit and ISDN connection, single-cabinet installation

2-18 DBS-EX23-530 Revised April 2000