Procom S0 Attachment - Manual

Data Sheet
S0 Attachment
S0 Attachment for 4FTR and LCPU
The S0 attachment is used to connect the DVS-21 to ISDN telephone systems and is
conceived for live public address (coming and going).
The S0 attachment can only be used in combination with the carrier card 4FTR or the
LCPU. The 4FTR can accept up to four attachments and the LCPU one attachment.
E1, S0 and UART attachments can be freely combined on the 4FTR.
At a Glance:
• Remote (live) public address system on e.g. train platforms
• Storing of up to 16 call numbers for incoming calls
⇒ Authentication and prioritizing of the 16 callers using
call identification (CLIP)
• Storing of up to 32 call numbers for outgoing calls
• Automatic calling of a service number when a malfunction
occurs in the system
⇒ Provides error message from audio databank
• Acknowledge audio signals to
⇒ Signal readiness for speaking
⇒ Signal successful announcement (positive
acknowledgement)
⇒ Signal error message (negative acknowledgement)
Fig. 1: Front side S0 attachment Fig. 2: Rear side S0 attachment
(L- No. 2.870)
Date 20.08.2008 Page: 1/10 Author: HS Document-No.: S0_DB_2870_01
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