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Modem Communication with Multiple ACUs
On the ACU connected to the modem, set the control board's communication jumpers to the correct modem
baud rate. On the remaining ACU control boards connected by CPB-10-2s or CB-485s, set the communication
jumpers to serial with a baud rate that corresponds to the modem's baud rate. You can only have one dial-out
modem on a communication bus or you will experience communication difficulties.
Function
Communication Baud Rate Selection
Not supported on CPB-10-2
Not supported on CPB-10-2 or CB-485
Not supported with CPB-10-2
Card Name Storage in ACU Option (Prom
version 6.2.X or higher)
Reader LED (condition on door lock
status)
Enable/Disable Temporary Card
Countdown
Enable/Disable SI Inputs
Firmware 7.30 to 8.11 & greater
Firmware 6.07 to 7.04 (does not support
IOCB1616)
Firmware 7.11 to 7.25 (custom)
Firmware 7.05 to 7.10 (custom)
Keyscan Technical Guide (PC109x - 04.12)
Table 6 – System Jumper J16 Settings
Mode
Baud
9600
19200
57600
115200
9600
19200
Reserved for Reverse Network – See Appendix I
Reserved for Reverse Network – See Appendix I
For future use
System VII software - names stored in ACU -
24,000 card capacity
System VII software – names not stored in ACU –
32,000 card capacity (Disaster recovery utility
unable to retrieve names from ACU in the event
database is lost or corrupted when this option
selected)
Red & Green LED type reader (board revs 9.8b or
higher)
Red LED type reader
Enable Temporary Card Countdown (Prom version
6.07 or higher)
Disable Temporary Card Countdown
Disable IOCB1616
Enable IOCB1616
Enable AL32/64
Disable AL32/64
Enable IOCB1616
Enable AL32/64
Enable IOCB1616
Disable IOCB1616
ASC Type
Serial
Serial
Serial
Serial
Modem
Modem
Jumper #
Settings
1 & 2 & 6
0 0 0
1 & 2 & 6
0 1 0
1 & 2 & 6
0 0 1
1 & 2 & 6
0 1 1
1 & 2 & 6
1 1 0
1 & 2 & 6
1 0 0
1 & 2 & 6
1 1 1
1 & 2 & 6
1 0 1
3
4
1
4
0
5
1
5
0
7
1
7
0
8
1
8
0
8
1
8
0
8
1
8
0
8
1
8
0
54
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