Table 4-7. Eia-232 Specifications - Comtech EF Data SLM-3650 Installation And Operation Manual

SLM-3650 Satellite Modem
Theory of Operation
4.5.1.4 EIA-232 Specifications
Refer to Table 4-7 for EIA-232 specifications.
Circuit Supported
Driver Amplitude (RXD, RXC,
ST, CTS, DM, DSR)
Receiver Amplitude (TXD, TXC,
RTS, LL, MC)
Impedance
Signals
TXC
RXC
RTS
CTS
DM
DSR
MC
LL
ST
RXC
TXC
MF
DF
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Table 4-7. EIA-232 Specifications

EIA-232 Specification
TXD, TXC, RXD, RXC, DSR, DCD, CTS, LL, RTS, MC
True: 10V, ± 5V
False: -10V, ± 5V
True: Minimum +1V
False: Maximum -1V
5000, ± 2000Ω < 2500 pF
Send Data
Receive Data
Request to Send
Clear to Send
Data Mode
Receiver Ready
Master Clock
Local Loopback
Send Timing
Receive Timing
Terminal Timing
Mod Fault (ttl)
Demod Fault (ttl)
4–23
Description
Revision 3
MN/SLM3650.IOM