Technical data

7.5.3 RJ41S/CA41A and RJ45S/CA45A Data-Jack Telephone Service
Use the following procedure to connect the DFA01 modem to RJ41S/CA41A
or RJ45S/CA45A data-jack telephone service.
• You need a standard eight-wire telephone cord (not supplied with the
modem).
• If you plan to use modems A and B, you need two telephones, one for
each modem.
Do not unplug the telephone line from the wall-mounted modular telephone
jack.
1. Insert one end of the telephone cord into the top jack on the module
cover (modem A) as shown in Figure 17. The top jack is marked with
the line icon.
26 VAX 4000 Model 300 Installation