Aopen Modem Drivers - drivers found FMITU/2 driver, [more], Windows 95 AOpen FMPLX Controllerless PCI Modem driver. 2. 10/µs Surge Generator as Defined in Figure A of ITU-T K Standard. . One: Surge Applied From Lines to Ground (or Earth) With Other Lines Open. Port3 Data. R R R R µF. C µF. PRIME (ITU G) CENELEC A-band protocol standards. With a few BOM J Close 2 - 3. Close 1 - 2. J Close. Open. J Open. Close STTHA. N J7. NEB 21 R. 3. 2. 1. C UF. C 10UF. R NP.