
connectors:
bnc T and 50ohm terminators
converters
transceivers
sing generator
red snake
mdi/mdx switch
physical switch
serial monitor
interface cards:
comx
eicon isdn bri
mixcom
synclink
sealevel
digium
parallel port
uarts
asap 300
printer buffer
detewe isdn ta
diva isdn modem 2ab
elcon isdn nt1 2ab
ettus usrp
osmocom icE1usb
farsync
dect terminal
fax terminal
pots terminal
old pos terminal
new pos terminal