1.4.8.1 - Norsk Data terminal - Tandberg

Description

• The Tandberg TDV-2200 keyboard (for the terminal ND-246).
• Keyboard item type 4212.
• Very nice keyboard and so comfortable to use :-)
• Tandberg operates with a very strange year (1983) that has 55 weeks.
• Hmm, it looks like the warranty has expired.
• Release date xx. xxx. xxxx

Chipset

• 961819 -2- - Microcode for the microcontroller
• P8039HL - 8-bit microcontroller

LEDs

• L1 (red) - Expand
• L2 (red) - Append
• L3 (red) - Busy
• L4 (red) - Message
• LINE (red) - Terminal is online with the host
• CAR (red) - Carrier signal detected
• WAIT (red) - Wait to get online
• ERROR (red) - Error condition
• ON (red) - The power is on

Straps

• None

Switches

• 121 different keys, using the Siemens D12-A5 switch

Connectors

• J1 - Magstripe reader
  1. Ground
  2. Ground
  3. +5 V
  4. Ready
  5. Card present
  6. Card Data
  7. Card Clock
• J2 - Connection to the display unit
  1. +5 V
  2. Receive +
  3. Receive -
  4. Transmitt +
  5. Transmitt -
  6. Ground
  7. Ground shield