Telephone (D-network), block diagram - GF82.70-P-0003-06A
Portable CTEL, illustrated on model 203
Portable CTEL with VCS illustrated on model 203
Fig 2: Identifying Telephone (D-Network), Block Diagram - Portable CTEL With VCS Illustrated On Model 203
Fixed installation without VCS illustrated on model 203
Fig 3: Identifying Telephone (D-Network), Block Diagram - Fixed Installation Without VCS Illustrated On Model 203
Fixed installation with VCS illustrated on model 203