OC1 -e T4 (signal)

OC1 -e b/s | OC1 -e B/s | OC1 -e Modem (110) | OC1 -e Modem (300) | OC1 -e kbps | OC1 -e Kibit/s | OC1 -e Modem (1200) | OC1 -e Modem (2400) | OC1 -e kBps | OC1 -e KiB/s | OC1 -e Modem (9600) | OC1 -e Modem (14.4k) | OC1 -e Modem (28.8k) | OC1 -e Modem (33.6k) | OC1 -e Modem (56k) | OC1 -e T0 (payload) | OC1 -e ISDN (single channel) | OC1 -e T0 B8ZS payload | OC1 -e ISDN (dual channel) | OC1 -e Mb/s | OC1 -e Mibit/s | OC1 -e T1 (payload) | OC1 -e T1 (signal) | OC1 -e T1Z (payload) | OC1 -e Virtual Tributary 1 (payload) | OC1 -e Virtual Tributary 1 (signal) | OC1 -e Virtual Tributary 2 (payload) | OC1 -e Virtual Tributary 2 (signal) | OC1 -e T1C (payload) | OC1 -e T1C (signal) | OC1 -e Virtual Tributary 6 (payload) | OC1 -e T2 (signal) | OC1 -e Virtual Tributary 6 (signal) | OC1 -e MBps | OC1 -e MiB/s | OC1 -e Ethernet | OC1 -e SCSI (Async) | OC1 -e USB 1.X | OC1 -e IDE (PIO mode 0) | OC1 -e IDE (DMA mode 0) | OC1 -e T3 (payload) | OC1 -e SCSI (Fast Ultra) | OC1 -e IDE (PIO mode 1) | OC1 -e T3Z (payload) | OC1 -e T3 (signal) | OC1 -e STS1 payload | OC1 -e STS1 signal | OC1 -e MT/s | OC1 -e IDE (PIO mode 2) | OC1 -e SCSI (Fast Ultra) | OC1 -e IDE (PIO mode 3) | OC1 -e Ethernet (fast) | OC1 -e IDE (DMA mode 1) | OC1 -e IDE (PIO mode 4) | OC1 -e IDE (DMA mode 2) | OC1 -e IDE (UDMA mode 0) | OC1 -e STS3 payload | OC1 -e STS3c payload | OC1 -e OC3 | OC1 -e STS3 signal | OC1 -e STS3c signal | OC1 -e STM 1 (signal) | OC1 -e SCSI (Fast Ultra) | OC1 -e SCSI (Fast Wide) | OC1 -e IDE (UDMA mode 1) | OC1 -e IDE (UDMA mode 2) | OC1 -e IDE (UDMA 33) | OC1 -e T4 (signal) | OC1 -e USB 2.X | OC1 -e SCSI (Fast Ultra Wide) | OC1 -e UDMA mode 3 | OC1 -e FireWire 400 | OC1 -e UDMA mode 4 | OC1 -e UDMA 66 | OC1 -e OC12 | OC1 -e STS12 (signal) | OC1 -e STM 4 (signal) | OC1 -e SCSI (Ultra 2) | OC1 -e SCSI (LVD Ultra80) | OC1 -e FireWire 800 | OC1 -e Gb/s | OC1 -e Ethernet (gigabit) | OC1 -e Gibit/s | OC1 -e OC24 | OC1 -e STS24 (signal) | OC1 -e SCSI (Ultra 3) | OC1 -e SCSI (LVD Ultra160) | OC1 -e OC48 | OC1 -e STS48 (signal) | OC1 -e STM 16 (signal) | OC1 -e FireWire S1600 and S3200 | OC1 -e USB 3.0 | OC1 -e GB/s | OC1 -e GiB/s | OC1 -e OC192 | OC1 -e STS192 (signal) | OC1 -e STM 64 (signal) | OC1 -e USB 3.1 | OC1 -e OC768 | OC1 -e GT/s | OC1 -e Tbps | OC1 -e Tibit/s | OC1 -e TBps | OC1 -e TiB/s