11
1.6 Connecting Instruction of MPU Card
1.6.1 F9931 MPU Card
P8
P1
P3
P10
P6
JP3
JP4
Reset
R
S
-2
3
2
connect to external hold music
connect to RELAY switch
RUN
LED
K1
P14
connect to 1st loop of CO line
connect to 2nd loop of CO line
P4
P2
Keyphone 5,6
Keyphone 7,8
Keyphone 9,10
Keyphone 11,12
Keyphone 13,14
Keyphone 15,16
-
+
P9
SW1
U8
U7
P1
9
GND
BT
Keyphone 1,2
Keyphone 3,4
P12
1
4
3
2
ON
DIP
Screw Hole
of DSP card
Description:
1. P1, P9 are 2 loops trunk card sockets which is connected to F9953 trunk card.
2. P2 is PTT CO line connection socket which is connected to PTT CO line.
3. P3, P10 are Caller ID sockets which is connected to UD-2150 Caller ID card.
4. P4 is digital station socket which is connected to digital station by 2 wires twist connection.
5. P6 is RS-232C socket which is connected RS-232C card. Notice the pin direction while installing.
6. P8 is External hold music & External hold music relay switch.
7. P12 is Power connection socket which is connected to F9934 power card.
8. P19 is connected with the DSP card (F9858).
9. SW1 DIP Switch 1: The battery switch of CPU memory. Must turn the switch ON to keep complete data
DIP Switch 2 ON: The programmed station can make the programming (the initial value 2656)
DIP Switch 3 ON: Key phone stations can be programmed “password”. (the initial value”:….)
DIP Switch 4 ON: All key phones may access program by "password" or the initial value.
10.
BT: Lithium cell of CPU card – to keep the programming data.
11.GND: Good ground connection is necessary.
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.
1
4
3
2
ON
DIP
1
4
3
2
ON
DIP
