Anritsu MT8801C - Page 72

4-17
4.3 CDMA Transmitter and Receiver Test --- TX and RX Tester Mode
1) Specifications of the DUT Interface connector
The DUT Interface connector is a 25-pin female D-SUB connector.
Signal assignment
Pin number Signal name Signal type Specification Direction
1 GND Signal ground ---
2 DUT_TXD12 Spare output 12 V level MT8801C -> DUT
MT8801C <- DUT
MT8801C -> DUT
MT8801C <- DUT
MT8801C -> DUT
MT8801C -> DUT
MT8801C <- DUT
MT8801C <- DUT
MT8801C <- DUT
MT8801C <- DUT
MT8801C -> DUT
MT8801C -> DUT
MT8801C -> DUT
MT8801C -> DUT
MT8801C -> DUT
MT8801C -> DUT
MT8801C -> DUT
MT8801C -> DUT
MT8801C <- DUT
MT8801C <- DUT
MT8801C -> DUT
MT8801C -> DUT
MT8801C -> DUT
3 DUT_RXD Spare input 5 V TTL/3 V C-MOS/12 V
4 DUT_RTS12 Spare output 12 V level
5 DUT_CTS Spare input 5 V TTL/3 V C-MOS/12 V
6 AF_SHELL
AF signal output (floating output –)
7 GND Signal ground
8 DUT_RTS5 Spare output 5 V TTL level
9 DUT_IN0 Spare input 5 V TTL/3 V C-MOS level
10 DUT_IN1 Spare input 5 V TTL/3 V C-MOS level
11 DUT_IN2 Spare input 5 V TTL/3 V C-MOS level
12 DUT_IN3 Spare input 5 V TTL/3 V C-MOS level
13 PRSS_TLK0 Press talk switch 0
14 DUT_OUT0 Spare output 5 V TTL/3 V C-MOS level
15 DUT_OUT1 Spare output 5 V TTL/3 V C-MOS level
16 DUT_OUT2 Spare output 5 V TTL/3 V C-MOS level
17 DUT_OUT3 Spare output 5 V TTL/3 V C-MOS level
18 AF_SIGNAL AF signal output (floating output +)
19 DUT_TXD5 Spare output 5 V TTL level
20 12VOUT +12 V power output 12 V, 50 mA or less
21 BCLK_IN BER measurement clock 5 V TTL/3 V C-MOS level
22 BDAT_IN BER measurement data 5 V TTL/3 V C-MOS level
23 DUT_TXD3 Spare output 3 V C-MOS level
24 DUT_RTS3 Spare output 3 V C-MOS level
25 PRSS_TLK1 Press talk switch 1 Current capacity: 0.5 A or less
Current capacity: 0.5 A or less
---
1 Pin
14 Pin 25 Pin
13 Pin
Note:
The DUT Interface connector is not used by CDMA Measurement (with Op-
tion 12).