2.3 Connection
2-29
Table 2-3-10-2 Signal assignment of Call Proc I/O connector
When using CDMA2000 measurement software
Pin No Signal name Description
1RSV_1 Reserved
2 PP2S Mulit Timing signal for even seconds.
(LVCMOS level pulse signal, 813.8 ns interval)
3 (NC) Not connected
4RSV_OUT_1 Reserved
5RSV_OUT_2 Reserved
6 Slot 1.25 ms interval slot signal
(LVCMOS level pulse signal, 813.8 ns interval)
7RSV_2 Reserved
8 Frame 20 ms interval frame signal
(LVCMOS level pulse signal, 813.8 ns interval)
9 (NC) Not connected
10 (NC) Not connected
11 SYNC IN Input the synchronization signal of the TTL or
CMOS level from the master unit, when two
units of MT8820A are synchronously operated.
12 SYNC OUT Outputs the synchronization signal of the CMOS
level to the slave unit, when two units of
MT8820A are synchronously operated.
13 GND Ground
14 DSUB15_RSV3 Reserved
15 DSUB15_RSV6 Reserved
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