Equinox Systems MEGAPORT Hardware Reference Manual page 8

Micro Channel Products for IBM PS/2 and NCR
3000 Systems:
MEGAPORT/2 12CS: a 12-port board with standard RS-
232 interface and modem control signals on all ports.
MEGAPORT/2 24CS: a 24-port board with standard RS-
232 interface and modem control signals on all ports.
MEGAPORT/2 12FM: a 12-port board with standard RS-
232 interface and full modem control signals on all ports.
MEGAPORT/2 12LD: a 12-port board with on-board line
drivers for long distance applications which do not require
modem control signals.
MEGAPORT/2 24LD: a 24-port board with on-board line
drivers for long distance applications which do not require
modem control signals.
MEGAPORT/2 12LD+12CS: a 24-port board. The first 12
ports use on-board line drivers for long distance
applications which do not require modem control signals.
The second twelve ports provide the standard RS-232
interface with modem control signals on all ports.
Micro Channel Products for IBM RISC System/6000:
MEGAPORT/RS 12CS: a 12-port board with standard
RS-232 interface and modem control signals on all ports.
MEGAPORT/RS 24CS: a 24-port board with standard
RS-232 interface and modem control signals on all ports.
MEGAPORT/RS 12LD: a 12-port board with on-board
line drivers for long distance applications which do not
require modem control signals.
MEGAPORT/RS 24LD: a 24-port board with on-board
line drivers for long distance applications which do not
require modem control signals.
MEGAPORT/RS 12LD+12CS: a 24-port board. The first
12 ports use on-board line drivers for long distance
applications which do not require modem control signals.
The second twelve ports provide the standard RS-232
interface with modem control signals on all ports.
2 MEGAPORT Hardware Reference Manual