• PDP-11/DECconcentrator 900FH CPU and 1,032-watt power supply • 2 Mbytes of PMI ECC MOS memory (DECconcentrator 900FH-JC) • 16-line asynchronous multiplexer (DHUll-AP) • I/O distribution panel with 24 panel units of space • DECconcentrator 900FH-25 EIA cable for console terminal • 42-inch H9642-style cabinet and a power controller with 26.6 cm (10.5 in) of mounting space at the top for mass-storage options • 456-Mbyte RA81 fixed-disk drive • 40-Mbyte DECconcentrator 900FH streaming-tape drive All DECconcentrator 900FH-11/84 system cabinet products provide two system units of mounting space for backplane expansion. The 12-slot backplane can be extended with a DD11-CK or DD11-DK expansion box. Mounting space is provided for an op- tional H 7231-E battery backup unit. Memory may be expanded to 4 Mbytes using MSV11-JC or MSV11-JE memory modules. The DECconcentrator 900FH disk controller supports up to four drives. Additional mass-storage options may be added in the top of the 11X84 cabinet and/or via H9642 expan- sion cabinets with BA11-K expansion boxes. The RA80, RA81, RL02, RC25, RX50, DECconcentrator 900FH, and DECconcentrator 900FH options may be integrated into the top of the 11X84 cabinet. • Height: 106.6 cm (41.7 in) • Width: 54.1 cm (21.3 in) • Depth: 80 cm (31.5 in) • Weight: • Watts: 120 • Btu/hr: 410 minimum, 3,519 maximum (kernel) • Receptacles: NEMA #DECconcentrator 900FH -30R (120 Vac/60 Hz) NEMA #6-15R (240 Vac/50 Hz)