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1.6 Connecting Instruction of MPU Card
1.6.1 F8001 MPU Card
Description:
1.
BT1: the 3V Lithium Battery – store the system parameters, Please buy it from your market.
2. S1: DIP Switch
Switch 1 On: The battery switch of CPU memory. Please turn the switch "ON" to store the
programmed value during the system working time.
Switch 2 On: Enable the programmed key phone access the system program by the default
password (2656).
Switch 4 On: Enable the entire key phones program the system.
To initial the system: please turn the switches 1-3 off and switch 4 on and then re-start the system.
3. P1: the 1st and 2nd pin - for external MOH (music on hold) source connector; The 3rd and 4th pin
– for MOH power switch.
4. P5: RS-232 connector
5. U7 & U8: IC for system firmware.
6. K1: Reset button
7. LED: flashing (1sec ON, 1sec OFF)
The system will be set to default if switch the DIP Switch 2, 3 “off” and DIP Switch 4 “on” then
turn on the system or press the "Reset" key.
Please switch all DIP Switches 1,2,3,4 on after set
to default.
Slot
P1
P2
P3
P4
P5
P6
CPU
P7
P8
P9
P10
Max . Port
8 ports
8 ports
8 ports
8 ports
8 ports
8 ports
0 port
4 ports
DHVR
only
Total 8 ports or 4 ports
each slot
