Comtech EF Data C5 - Manual (Page 76)

Specifications C5/K1/K3 Integrated Satellite Terminal System
2–42 Rev. 0
2.5.2.2 EIA-232 Specification
Refer to Table 2-23 for EIA-232 specifications.
Table 2-23. EIA-232 Specifications
EIA-232 Specification
Circuit Supported TXD, TXC, RSD, RXC, DSR, DCD, CTS,
LL, RTS, MC, ST
Driver Amplitude (RXD,
RXC, ST, CTS, DCD, DSR) True: 10V
% 5V
False: -10V
% 5V
Receiver Amplitude (TXD,
TXC, RTS, LL, MC) True: Minimum +1V
False: Maximum –1V
Impedance 5000
% 2000! < 2500pF
Data Rate 9.6 to 120 kbit/s
TXD Send Data LL Local Loopback
RXD Receive Data ST Send Timing
RTS Request to Send RXC Receive Timing
CTS Clear to Send TXC Terminal Timing
DCD Carrier Detect MF MOD Fault
DSR Receiver Ready DF DEMOD Fault
MC Master Clock