Patton electronic 2707C, 2707D Switch SW1-1 through SW1-8, Switch SW1-1 Line Coding HDB3 default

Figure 2. Close up of configuration switches

Switch SW1-1 through SW1-8

Table 1: Switch Set 1 Summary

Position	Function	Factory Default	Selected Option
SW1-1	Line Code	OFF	HDB3
SW1-2	LLB	OFF	OFF
SW1-3		Reserved
SW1-4		Reserved
SW1-5		Reserved
SW1-6	Clock Mode	OFF	Received
			Recovered
SW1-7	Clock Mode	OFF	Received
			Recovered
SW1-8	TM from DTE	OFF	Enabled

Switch SW1-1 Line Coding: HDB3 (default)

Use Switch SW1-1 to control the Network Line Coding options. Set these options to be the same as the Line Coding given to you by your Service Provider. If you are using two Model 2707s together as short range modems, set both units to HDB3.

SW1-1	Line Encoding
Off	HDB3
On	AMI

6