Digital multiplex equipments operating at the third order bit rate of 34 368 kbit/s and the fourth order bit rate of 139 264 kbit/s and using positive justification
以34368kbit/s的三阶比特率和139264kbit/s的四阶比特率运行并使用正对正的数字多路复用设备

1988-11-25

Second order digital multiplex equipment operating at 6312 kbit/s and multiplexing three tributaries at 2048 kbit/s
以6312 kbit/s速度工作的二阶数字多路复用设备 以2048 kbit/s速度多路复用三条支路

1988-11-25

34368kbit/s 正码速调整三次群数字复用设备技术要求和测试方法
Performance and test methods of the third order digital multiplex equipment operating at 34368 kbit/s and using positive justification

1995-04-06

Second order digital multiplex equipment operating at 6312 kbit/s and using positive justification
以6312 kbit/s速度运行并使用正对正的二阶数字多路复用设备

1988-11-25

Second order digital multiplex equipment operating at 8448 kbit/s and using positive justification
以8448 kbit/s速度运行并使用正对正的二阶数字多路复用设备

1988-11-25

Second order digital multiplex equipment operating at 8448 kbit/s and using positive/zero/negative justification
以8448 kbit/s速度运行并使用正/零/负对正的二阶数字多路复用设备

1988-11-25

8448 kbit/s正码速调整二次群数字复用设备技术要求和测试方法
Performanceand methods of the second order digital multiplex equipment operating at 8448 kbit/s and using positive justification

1995-04-06

Fourth order digital multiplex equipment operating at 139 264 kbit/s and using positive/zero/negative justification
四阶数字多路复用设备 以139 264 kbit/s的速度运行 使用正/零/负对正

1988-11-25