TANDBERG F1 D13353.02 User Manual page 157

6 Appendices
For balanced signals a "0"=low voltage is defined as terminal A positive with respect to
terminal B.
For unbalanced signals a "0"= low voltage is defined as terminal positive with respect to GND.
Cable length max: Leased Line Control = 20 Meter
RS449 Interface:
RS366 Interface:
All balanced inputs and outputs (A and B) use balanced line signals according to V.11
(RS422) and single ended signals in accordance with V.10 (RS423).
For balanced signals a "0"=low voltage is defined as terminal A positive with respect to
terminal B.
For unbalanced signals a "0"= low voltage is defined as terminal positive with respect to GND.
Cable length max: Leased Line Control = 20 Meter
151