Absolute Maximum Rating; Electrical Characteristics Other Pins; Pinout Specifications - Multitech SocketModem Cell Device Manual

5 Volt Powered
Input Low Level
Input High Level
Output Low Level
Output High Level

Absolute Maximum Rating

VCC Voltage (Survival)

Electrical Characteristics Other Pins

Pin Signal Name
J24 -RESET
J26 GND
J41 GND
J58 -LED LINK
J61 VCC
J63 GND

Pinout Specifications

Pin Signal Name
J24 –RESET
J26 GND
J33 –RTS
J34 –RXD
J35 –TXD
J36 –RI
J37 –DSR
J38 –CTS
J39 –DCD
J40 –DTR
J41 GND
J58 –LED LINK
J61 VCC
J63 GND
1 A hyphen (-) indicates a range of acceptable logic levels.
SocketModem CDMA MTSMC-C2 Device Guide
0
2.3
0
3.7
-0.3V to +5.5V
VIL VIH
Min Max Min
0.8 2.0
-- -- --
-- -- --
-- -- --
-- -- --
-- -- --
1
Logic Level Voltage I/ O
3.3 – 5.0 I
GND GND
3.3 – 5.0 I
3.3 – 5.0 O
3.3 – 5.0 I
3.3 – 5.0 O
3.3 – 5.0 O
3.3 – 5.0 O
3.3 – 5.0 O
3.3 – 5.0 I
GND GND
3.3 O
3.3 – 5.0 PWR
GND GND
0.8
5
0.55
5
VOL
Max Min Max
-- --
-- -- --
-- -- --
-- 0 0.45
-- -- --
-- -- --
Description
Device reset (active low)
Ground
Request to send (active low)
Received data (active low)
Transmitted data (active low)
Ring indicator (active low)
Data set ready (active low)
Clear to send (active low)
Data carrier detect (active low)
Data terminal ready (active low)
Ground
Link status (active low, can sink up to 150mA)
DC input power
Ground
CHAPTER 3 –SPECIFICATIONS
VOH
Min Max
-- --
-- --
-- --
2.85 3.3
-- --
-- --
10