MTCBA-C1-N16 Multi-Tech Systems, MTCBA-C1-N16 Datasheet - Page 10

• Manufacturer Part Number: MTCBA-C1-N16
• Description: MODEM ETHERNET
• Manufacturer: Multi-Tech Systems

Specifications of MTCBA-C1-N16

• Function: Transceiver, CDMA, Modem
• Modulation Or Protocol: CDMA2000
• Frequency: 800MHz, 1.9GHz
• Applications: Aeris Networks (USA)
• Interface: RS-232
• Data Rate - Maximum: 153.6 kbps
• Voltage - Supply: 9 V ~ 32 V
• Package / Case: Module
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: Q4976016

Chapter 1 – Product Description and Specifications
9-Pin Fem-D Sub Serial Connector
The following table explains the pin functions.
4-Position DIP Switch
10
Note:
DE9
Pins
Pin 1
Pin 2
Pin 3
Pin 4
Pin 5
Pin 6
Pin 7
Pin 8
Pin 9
Note:
Switch Position
Position 1
Position 1
Positions 2-4
Position 2
Position 2
Position 3
Position 3
Position 4
Position 4
The DSR signal on pin 6 is always asserted by the modem.
errors at high bit rates or long cable lengths. Multi-Tech Systems tested the cable up to 1,000 feet , but the
maximum may be more with termination enabled and lower data rates.
Positions 2 and 3 should only be used in RS422 Mode. Enabling TXD/RTS termination may be required to avoid
RS232 Signals
DCE
Data Carrier Detected (DCD)
RXD
TXD
Data Terminal Ready (DTR)
Ground
Ready To Send (RTS)
Clear To Send (CTS)
Ring Indicator (RI)
Data Set Ready (DSR)
Up/On
Down/Off
Off
On
Off
On
Off
On
Off
On
DE9 Pin Assignment
Description
DTR Reset Disabled
DTR Reset Enabled
Only valid for serial builds
No TXD Termination
TXD Diff Pair Terminated
No RTS Termination
RTS Diff Pair Terminated
RS232 Mode
RS422 Mode
RS422 Full
Duplex Signals
RxD-
RxD+
TxD+
TxD-
Ground
Ready To Send -
(RTS-)
Ready To Send +
(RTS+)
Clear To Send +
(CTS+)
Clear To Send -
(CTS-)
Signal
Direction
Out
Out
In
In
N/A
Out – RS232
In – RS422
In
Out
Out
Multi-Tech Systems, Inc. MultiModem Cell User Guide
Female Connector