cat \*- phototypesetter interface
cr \*- card reader
dc \*- DC-11 communications interface
dh \*- DH-11 communications multiplexer
dj \*- DJ-11 communications multiplexer
dn \*- DN-11 ACU interface
dp \*- DP-11 201 data-phone interface
hp \*- RH-11/RP04 moving-head disk
hs \*- RH11/RS03-RS04 fixed-head disk file
ht \*- RH-11/TU-16 magtape interface
ht \*- RH-11/TU-16 magtape interface
kl \*- KL-11 or DL-11 asynchronous interface
lp \*- line printer
mem, kmem, null  \*-  core memory
pc  \*-  PC-11 paper tape reader/punch
rf \*- RF11/RS11 fixed-head disk file
rk  \*-  RK-11/RK03 (or RK05) disk
rp \*- RP-11/RP03 moving-head disk
tc \*- TC-11/TU56 DECtape
tm \*- TM-11/TU-10 magtape interface
tty \*- general typewriter interface
