4
1.2. Telephone Part Identification
1 Line 1 & 2 Input Jack 5 Analog Telephone Jack 9 Line 2 Indicator
2 Line 3 & 4 Input Jack 6 Power Transformer 10 Line 3 Indicator
3 Line 1 & 2 Output Jack 7 Power Indicator 11 Line 4 Indicator
4 Line 3 & 4 Output Jack 8 Line 1 Indicator
