What interfaces does the IDM-MINI 20Km single-fiber PCM multiplexer provide, and what services can it connect to?

The user-side interfaces of the IDM-MINI are divided by service type: for voice, 8 channels of 64K voice channels are provided, with an audio range of 300Hz～3400Hz and compression according to A-law in ITU G.711; on the data side, the V.24 interface is asynchronous at ≤9600bps and synchronous at 64Kbps, while the V.35 interface is provided in RJ-45 form at a rate of n×64Kbps (n=0～31); the Ethernet interface is RJ-45 at a rate of N×2.048Mbps (N≤50) and supports IEEE802.3. On the uplink side, the E1 interface has a bit rate of 2048Kbps, HDB3 line coding and an impedance of 75Ω/120Ω, and the optical interface is 155M/155M, single-mode single-fiber at 1310nm/1550nm.