Ericsson ZAT 19.2 Operation Manual page 316

l46. Appendices
16.7.2. The modular jacks
The modular jacks may be with 4 or 6 positions. The figure
below shows how this connector is numbered
123456
The figure below illustrates the modem seen from rear view.
Line, connects to the wall jack and Phone, to the telephone set.
16-16 LZTR104006 R1.00
Zat 14.4/14.4-7 and 19.2/19.2-7