(The large picture changes on "mouse over" the number of the phone or the circuit diagram).

System overview:	Two way	stations	1226	Schema	9130/VI/40
1913 Catalog number:	5615	5618	1914 Catalog	number:	5616	5619
Circuit number:	190	189			176	197
1924 Catalog number:	5450!51/53/54	5460MF	5465	5465MF	5466	5467MF	5468	5470/77	5475/76/78/79
Circuit number:	AS-300/1	AS-300/11	AS-300/1	AS-300/11	AS-300/3	AS-300/13	AS-300/4	AS-300/1	AS-300/1
Circuit number:	AS-300/3							AS-300/3	AS-300/3
1924 Catalog number:	5480/81	5482	1925 Catalog	number:	5485/86
Circuit number:	AS-300/1	AS-300/4			AS-300/1
Circuit number:	AS-300/3				AS-300/3
System overview:	Three way	stations	1226	Schema	9130/VI/40
1924 Catalog number:	5469	5483
Circuit number:	AS-300/5	AS-300/5