इसी प्रकार केPM4351-RI

• PM4314
  • Quad T1/E1 line interface unit
• PM4314-RI
  • Quad T1/E1 line interface device
• PM4318-BI
  • Octal E1/T1/J1 line interface device
• PM4328
  • High density T1/E1 framer with intefrated M13 multiplexer
• PM4328-PI
  • High density T1/E1 framer with integrated M13 multiplexer
• PM4341A
  • T1 transceiver
• PM4341A
  • T1 transceiver
• PM4344
  • Quad T1 framer