V.35 Interface Specifications - Viavi T-BERD MTS 5800 Getting Started Manual

V.35 interface specifications

Recommendation V.35 is primarily a modem specification; however, it also describes a
data communications interface that uses balanced V.35 amplifiers for clock and data
circuits, and unbalanced V.28 amplifiers for signaling circuits.
specifications for balanced and unbalanced circuits.
Table 71 V.35 specifications
Specification
Timing modes
Maximum speed
Minimum output range
V.35
V.28
Rise/Fall times
V.35
V.28
Receiver minimum input sensitiv-
ity
V.35
V.28
Hysteresis
Table 72
Table 72 V.35 circuit termination specifications
Specification
Balanced receivers
Termination
Impedance
Unbalanced receivers
Load impedance
Maximum input voltage
Signaling polarity
March 2018
lists the MSAM V.35 termination specifications.
T-BERD/MTS/SC Getting Started Guide
22046537, Rev. 016
Table 71
Description
Synchronous
15 Mbps
+/- 0.44 V terminated
+/- 5 V
< 10 nS
1.5 uS
+/- 200 mV
< 0.8 V, > 3.0 V
Meets minimum input range
Description
100 Ohm
+/- 20%
3k to 7 k Ohms
+/- 15 V
ON: greater than +3 V dc
OFF: open or less than -3 V dc
Appendix A Specifications
MSAM specifications
lists the V.35
Page 191