Ampex 210 Plus
Very popular terminal, with monochrome display and
RS-232 port, with software configuration (battery-backed), RTC, memory
buffer "window mode" and many configuration options. It has a wide range
of baud rates and is quite durable. Ampex terminals were used in
industrial systems as well as in office ones, in Poland usually with PC
machines as servers.
The unit is built around Z80A CPU, it has dedicated 3515260 PLA chip and
MC2672B4P CRT driver. Connection is made with AMI18828MHD serial driver
chip, but it can be modified using installable module in a socket.
Keyboard pinout
Connector: 4-pin RJ (like telephone) connector, female at the computer (this is NOT a PC keyboard standard!):
. 1 2 3 4 .
+--U-U-U-U--+
| |
| |
| |
+---|___|---+
1 - PE
2 - +11V Vcc
3 - Data
4 - GND