PDP11 PeripheralsHbk 1972 - Trailing-Edge

Density:
Data Capacity:
Tape Motion:
Word Transfer Rate:
Addressing:
Tape Motion Timing:
Priority Level:
Vector Address:
Mounting:
Size:
Cooling:
Controls:
Mounting:
Size:
Controls:
Temperature:
350 ± 55 bits per inch
147,968 16-bit words in blocks of 578 blocks of
256 words each
Bidirectional (forward and reverse)
Three bits are read or written together every 33
1/3 microseconds; one 16·bit word is read and assembled
or disassembled and written in 200 micro·
seconds
Mark and timing tracks allow searching for a spe·
cific block (under program control; no auto- search
capability) by number in either the forward or reo
verse direction.
Start Time: 150 ± 15ms
Stop Time: 100 ± 10ms
Turnaround Time: 200 ± 20ms
6
214
Interrupt
TU56 DECtape Transport
Mounts in standard 19·inch rack
10 112 inches high, 19 inches wide, 9 3/4 inches
deep
Internally mounted fan
Front panel mounted. Includes: unit select,
write/enable lock, forward/reverse, remote·off·lo·
cal
TCll Controller
Mounts in standard 19·inch rack
10 112 inches high, 18 inches wide
Mounted behind blank front panel; includes: write
all and write timing and mark enable/disable
switches; error, ready, interrupt enable, and func·
tion indicators
Environmental Conditions
40 0 to 90 0 F for system
60 0 to 80 0 F for magnetic tape
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