Patton electronic 1089/I Configuring the Hardware DIP Switches, S2 Summary Table, Co/Cp

3.0 CONFIGURATION

The Model 1089 has two sets of eight DIP switches, which allow configuration for a wide variety of applications. This section describes switch locations and explains all settings.

3.1 CONFIGURING THE HARDWARE DIP SWITCHES

The 16 external switches are grouped into two eight-switch sets, and are externally accessible from the underside of the Model 1089, as shown in Figure 1, below).

FRONT

ON

S2

OFF S3

REAR

Figure 1. Underside of Model 1089 Series, showing location of DIP switches

The two sets of DIP switches on the underside of the Model 1089 will be referred to in this manual as S2 and S3. As Figure 2 shows, the orientation of all DIP switches is the same with respect to “ON” and “OFF” positions.

ON

OFF

Figure 2. Close Up of Configuration Switches (all sets are identical in appearance)

3.1.1 Configuration DIP Switch Set “S2”

The only setting for S2 is for Clocking Mode between Model 1089s. All other switches are reserved for factory usage and must remain in the default configuration. Default settings are shown in the table below.

S2 SUMMARY TABLE

Position	Function	Factory Default
S2-1	Reserved	Off
S2-2	Reserved	Off
S2-3	Reserved	Off
S2-4	Reserved	Off
S2-5	Reserved	Off
S2-6	Clock Mode	On	Receive
S2-7	Clock Mode	Off	Recover
S2-8	Reserved	Off

Switch S2-1, S2-2, S2-3, S2-4, S2-5 and S2-8:

Switches S2-1, S2-2, S2-3, S2-4, S2-5 and S2-8 are reserved for fac- tory use and must remain in the factory default settings as shown in the table above. .

Switches S2-6 and S2-7: Clock Mode

Use Switches S2-6 and S2-7 to configure internal, or receive recover (clocking derived from the remote Model 1089 across the DSL span) settings. One Model 1089 (typically the CO, or “Central Office” unit) will be set for Internal Clock. The remote Model 1089 (typically the CP, or Customer Premises unit) will be set for Receive Recover clocking. The table below shows the clock mode settings.

CO/CP
Unit	S2-6	S2-7	Clock Mode	Description
				Model 1089 gener-
CO	On	On	Internal	ates internal, crys
				tal controlled timing.
				Model 1089
CP	On	Off	Receive Recover	receives its timing
				from the CO unit
				over the DSL span.

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