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Comtech EF Data C5 User Manual

Page 77

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C5/K1/K3 Integrated Satellite Terminal System

Specifications

Rev. 0

2–43

2.5.2.3

V.35 Specification V.10, V.11 Specification, Circuit Supported

Refer to Table 2-24 for V.35 specifications.

Table 2-24. V.35 Specifications

V.35 Specification

Circuit Supported

SD, SCT, SCTE, RD, SCR, DSR, RLSR, RTS, CTS, MC, DSR,
LL

Driver Amplitude (RD, SCR,
SCTE, CTS, RLSD, DSR)

% 0.5V-PK, % 20% differential, into 100!

Amplitude (SCT, SD, RTS, LL,
MC)

% 0.2V min into 100!

Polarity (SD, SCT, SCTE, RD,
SCR)

True when B positive with respect to A
False when A positive with respect to B

Polarity (RTS, CTS, DSR,
RLSD)

True when < -0.2v with respect to ground
False when > +0.2V with respect to ground

Phasing (SCTE, SCR)

False-to-True transition nominally in center of data bit.

Symmetry (SCT, SCTE, SCR)

50%

% 5%

SD-A, SD-B

Send Data

SCT-A, SCT-B

Serial Clock Transmit

RD-A, RD-B

Receive Data

SCR-A, SCR-B

Serial Clock Receive

SCTE-A, SCTE-B

Transmission Signal Timing

MC-A, MC-B

Master Clock

RTS

Request to Send

CTS

Clear to Send

DSR

Data Set Ready

RLSD

Receive Line Signal Detect

LL

Local Loopback

MF

MOD Fault (ttl)

DF

DEMOD Fault (ttl)

Note: All other specifications are per CCITT V.10 and V.11.

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