MIL-STD-1397

Overivew

Types

• Type A - Parallel data transfer of up to 41667 words per second on one cable.
• Type B - Parallel data transfer of up to 250000 words per second on one cable.
• Type C - Parallel data transfer of up to 250000 words per second on one cable.
• Type D - Asynchronous serial data transfer using 10 Mbit/s data rate.
• Type E - Asynchronous serial data transfer at 10Mbit/s, with 300000 words/sec in burst mode, or 175000 words/sec in single transfer mode. Type E is derived from STANAG 4153. Type E uses Bi-Phase Modulation . The impedance is 50 ohms + 5 ohms, a 50 ohm Triaxial cable is defined . MIL-C-17/134 cable is used for lengths up to 120 meters, MIL-C-17/135 is used for cable lengths up to 300 meters. The connectors are defined by MIL-C-49142 /01 and /02.
• Type F - MIL-STD-1553 aircraft Manchester Byphase multiplex serial bus, 1 Mbit/s data rate.
• Type G - uses EIA449 / EIA232 implementation.
• Type H - Parallel data transfer of up to 500,000 words per second on one cable.
• Type I - Not specified.
• Type J - Optical version
• Type K - Based on SCSI-2.

  Mechanical

Electrical Signalling

• Type A - Binary voltage levels of 0 VDC and -15 VDC
• Type B - Binary voltage levels of 0 VDC and -3 VDC
• Type C - Binary voltage levels of 0 VDC and +3.5 VDC
• Type D - Bipolar +/- 3.25 VDC nominal
• Type E - Bipolar +/- 600mv
• Type F -
• Type G -
• Type H -
• Type I - Not specified.
• Type J -