- PCM-E04:1~4 channels Voice FXO/FXS E&M PCM over E1 Multiplexer
- 1~4 channels Voice PCM Multiplexer FXO/FXS E&M E1 multiplexer
- PCM-E08: Eight ports voice FXO/FXS E&M over E1 PCM multiplexer
- 8 ports FXO/FXS to E1 PCM Multiplexer 8 ports E&M over E1 PCM Multiplexer 8 voice 4 RS232 to E1 PCM Multiplexer
- PCM-E16:16 Phone over E1 multiplexer,FXO/FXS E&M ETH PCM multiplexer
- 16 Phone over E1 multiplexer FXO/FXS E&M ETH PCM multiplexer
- PCM-E30:30 FXO/FXS E&M over E1 PCM multiplexer
- 30 FXO/FXS E&M over E1 PCM multiplexer
- PCM-F04:4*FXO(S)/E&M Ethernet over fiber optical PCM multiplexing,4 voices fiber PCM multiplexing
- 4 voices fiber optical multiplexer FXO(S)/E&M Ethernet fiber PCM multiplexing
- PCM-F08:FXO/FXS E&M 8 channel voice ,E1 ethernet over fiber PCM multiplexer
- 8 channel voice over fiber PCM multiplexer FXO/FXS E&M E1 Ethernet RS232 over fiber PCM multiplexer
- PCM-F16:16 ports voice FXO/FXS E&M RS232 ethernet E1 over fiber PCM multiplexer
- 16 voices RS232 E1 ETH Fiber optical Multiplexer 16*FXO/FXS E&M fiber PCM multiplexer 16 voices RS232 E1 ETH Fiber optical Multiplexer 16*FXO/FXS E&M fiber PCM multiplexer
- PCM-F30:30 voice FXO/FXS E&M RS232 ethernet E1 over fiber PCM multiplexer
- 30 FXO/FXS to fiber PCM multiplexer E&M to fiber PCM multiplexer 30Voice ethernet RS232 E1 over fiber PCM multiplexer
- PCM-360:360 ports FXO/FXS or E&M,4 ports Ethernet,4 ports E1 over fiber PCM Multiplexer
- 360 ports FXO/FXS or E&M,4 ports Ethernet,4 ports E1 over fiber PCM Multiplexer:PCM-360