Supported Serial Interface Standards

Junos OS substantially supports the following standards for serial interfaces.

• International Telecommunication Union–Telecommunication Standardization (ITU–T) Recommendation V.35, Data transmission at 48 kilobits per second using 60-108 kHz group band circuits

• ITU–T Recommendation X.21 (1992), Interface between Data Terminal Equipment and Data Circuit-terminating Equipment for synchronous operation on public data networks