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C900TTL-E | Installation Guide | 3.0
Table 2: Digital Dialer Protocol for DIP Switches 1-4, and 10 (continued)
Switches
10
1
OFF
ON
OFF
ON
OFF
ON
OFF
ON
*
DTMF includes Contact ID, High Speed and 4/2 Express.
** C900TTL-E version 1.11 or later. These formats are not approved for UL 1610.
Table 3: C900TTL-E Programming for Switches 5-9
Switch
ON
5
Enable auto Fallback Mode after detection of an
intercept error
6
No number of hang ups causes Fallback Mode
3
7
240 sec poll
8
C900TTL-E sends initial handshake to control
panel after six seconds break in dialing
9
Enable Anti-Replay/Substitution
1
If an error occurs in the Intercept Mode, the C900TTL-E automatically switches back to telco line.
2
If the D6600 does not acknowledge a report that was intercepted by the C900TTL-E within the programmed time, the digital dialer hangs up
and retries the message transmission. The programmed time is measured as a failed message transmission at the digital dialer. Based on the
number of hang-ups, the C900TTL-E switches to Fallback Mode.
3
The elapsed time between polls from the C900TTL-E when idle (not expecting a dialer acknowledgement) requires C900TTL-E version 1.11
or later for a 75 sec poll with DIP Switch 7 OFF. Otherwise, the poll is 30 sec with DIP Switch 7 OFF.
4
Requires C900TTL-E version 1.10 or later. This DIP switch must be ON if the D6600 is set for NNC mode.
Any error forces the C900TTL-E to switch the control panel dialer to the Fallback (phone line backup)
position for two minutes the next time the control panel seizes the line if:
•
DIP Switch 5 is ON and DIP Switch 6 is OFF, or
•
DIP Switch 5 and 6 are OFF, and
•
The seizure occurs within two minutes.
Intercept errors are always reported to the D6600. If the D6600 does not acknowledge a signal
intercepted by the C900TTL-E in the proper amount of time, the control panel digital dialer hangs up
and retries the message transmission.
12
C900TTL-E Setup
2
3
4
ON
OFF
OFF
ON
OFF
ON
ON
ON
OFF
ON
ON
ON
1
4
Dialer Format of Host Alarm Panel
SIA Bell 103 (110/300 baud, 2083 Hz ACK Tone)**
SIA V.21 (110/300 baud)**
Seriee DTMF**
Seriee FSK**
OFF
Disable auto Fallback Mode after detection of an
intercept error
Third hang-up without D6600 ACK causes Fallback
2
Mode
75 sec Poll
C900TTL-E sends initial handshake to control panel
after one second break in dialing
Disable Anti-Replay/Substitution
Bosch Security Systems, Inc. | 5/07 | 4998122718-02
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