Specifications; Eia-232 Specification; C.7.2 Specifications - Comtech EF Data SDM-300A Installation And Operation Manual

Specifications

C.7.2 Specifications
C.7.2.1

EIA-232 Specification

Circuit Supported
Driver Amplitude (RXD, RXC,
ST, CTS, DM, DSR)
Receiver Amplitude (TXD,
TXC, RTS, LL, MC)
Impedance
Data Rate
TXD
RXD
RTS
CTS
DM
DSR
MC
LL
ST
RXC
TXC
MF
DF
C–42
EIA-232 Specification
TXD, TXC, ST, RXD, RXC, DSR, DCD, CTS, LL, RTS, MC
True: 10V, ± 5V
False: -10V, ± 5V
True: Minimum +1V
False: Maximum -1V
5000, ± 2000Ω < 2500 pF
9.6 to 120 kbit/s
Circuit Assignments
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)
SDM-300A Satellite Modem
Rev. 4