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X.21/V.35 Module Combination

Line module label X.21/V.35
I/O module label X.21/ V.35 I/O
Number of I/O ports
  • 16
Software release
  • First supported: 2.10.1, 3.3.2
  • Final supported: Not applicable
Description
  • 60 W
  • X.21/V.35 synchronous serial interface
Type
  • Non-ASIC
Capability
  • HDLC framing
Software features
  • See X.21/V.35 Modules for information about the layer 2 and layer 3 protocols and applications that this module combination supports.
Model compatibility
  • ERX-7xx models
  • ERX-1410 router
SRP module compatibility
  • SRP-5G
  • SRP-5G+
  • SRP-10G
Module redundancy support
  • Not applicable
Cables and connectors
  • 200-pin proprietary socket on I/O module
  • DB15 X.21 or DB34 V.35 at remote end
  • Serial signals can travel a limited distance without significant degradation. Slower serial signals can travel farther without degradation than faster serial signals. See “Cable Lengths” row for the maximum cable lengths you can use to prevent signal degradation at various transmission speeds.
Cable Lengths
Transmission Speed (Hz)
  • 2400
  • 4800
  • 9600
  • 19200
  • 38400
  • 56000
  • 2048000
Cable Length (Meters/Feet)
  • 1250/4100
  • 625/2050
  • 312/1025
  • 156/513
  • 78/256
  • 31/102
  • 8/25
LEDs
Alarms, errors, and events
  • See Monitoring Interfaces in JUNOSe Physical Layer Configuration Guide, Chapter 8, Configuring X.21/V.35 Interfaces.

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