Checkpoint Systems Inc. EVOLVES10 用户手册
Chapter 9 – SocketModem CDMA (MTSMC-C)
Multi-Tech Systems, Inc. Universal Socket Hardware Guide for Developers (S000342D)
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SocketModem Configuration
Serial Configuration
The SocketModem CDMA uses a 13-pin interface.
Note:
The bolded, shaded pins are the SocketModem CDMA active pins.
SocketModem CDMA Pinout
Electrical Characteristics
Electrical Characteristics for the 5V Serial SocketModem
5 Vdc Characteristics (TA = -20° C to 55° C; VDD = 5 V ± 0.25 V)
VDDMAX
= 5.25 V
Digital Inputs
–DTR (40), –TXD (35), –RTS (33), –RESET (24)
–DTR (40), –TXD (35), –RTS (33), –RESET (24)
Input High
Min 3.675 V
Min 3.675 V
Input Low
Max 0.7 V
Max 0.7 V
Digital Outputs
–DCD (39), –CTS (38), –DSR (37), –RI (36), –RXD (34)
–DCD (39), –CTS (38), –DSR (37), –RI (36), –RXD (34)
Output High
Min. 4 V
Min. 4 V
Output Low
Max 0.4 V
Max 0.4 V
Current Drive:
2 mA
2 mA
Digital Input Capacitance
5 PF
Power Consumption
Operating Mode
Band
Average (mA)
CDMA RXTX
Cellular
615
Full Power
PCS
770
Cellular 340
CMA RXTX
Average Power
Average Power
PCS 445
Cellular 20
Cellular 20
CDMA Standby
PCS 20