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: 7.3.x
Description
60 W
X.21/V.35 synchronous serial interface
Type
Non-ASIC
Capability
HDLC framing
Software features
See ERX Module Guide, Appendix A, Module Protocol Support for information about the layer 2 and layer 3 protocols and applications that this module combination supports.
Model compatibility
ERX7xx models
ERX1410 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
See ERX Module Guide, Appendix B, Module LEDs.
Alarms, errors, and events
See Monitoring Interfaces in the Configuring X.21/V.35 Interfaces chapter of the JunosE Physical Layer Configuration Guide for Release 8.0.x and earlier.

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: 7.3.x
Description	60 W X.21/V.35 synchronous serial interface
Type	Non-ASIC
Capability	HDLC framing
Software features	See ERX Module Guide, Appendix A, Module Protocol Support for information about the layer 2 and layer 3 protocols and applications that this module combination supports.
Model compatibility	ERX7xx models ERX1410 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	See ERX Module Guide, Appendix B, Module LEDs.
Alarms, errors, and events	See Monitoring Interfaces in the Configuring X.21/V.35 Interfaces chapter of the JunosE Physical Layer Configuration Guide for Release 8.0.x and earlier.