Iwatsu ADIX VS, Technical Manual

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Chapter 6 – Optional Feature Installation
95
External Ringer
Individual incoming trunks can be assigned to activate an external loud ringer connected to the
punchdown block. The ringer can be set as either a day ringer or a night ringer
)
To set up an external ringer:
1. Access the programming mode from a programming KT,or PC Programmer. Go to Class 04
Item 35-MISC Function Port and program the miscellaneous logical port location of the
relays and the relay numbers on the VS-MISC card to be used for external ringing.
2. Go to Class 04 Item 37-MISC function and program the type of relays you are using.
3. Go to Class 11 Item 35-Loud Ringer Relay Number and program the relay to activate when
there is an incoming call on the desired trunks.
4. Go to Class 11 Item 28-UNA Relay Number and program the desired relay to activate when
there is an incoming call on a UNA trunk. UNA Trunks are programmed in Class 11.27.
5. Connect the ringer and ringing generator through slave relays to L1 through L2 on the
punchdown block (corresponding to relay numbers 1 to 8 assigned above)as illustrated in
Figure 46.
28
27
26
25
32
4
3
2
1
Ring
Generator
Relay
Loud Ringer
Relay
- +
24 Vdc
Loud Ringer
FIGURE 48. EXTERNAL RINGER WIRING