The TS-690BS is a booster unit used to extend the connection between the central unit (TS-690) and conference units (TS-691L and TS-692L) in the TS-690 Series conference system.

### Specifications:
– Power Source: 36V DC (supplied from the Central Unit TS-690)
– Current Consumption: Max. 10 mA
– Connection Terminal:
– To Central unit: Cable length 2m with 8-pin DIN plug
– To Conference units: 8-pin DIN socket x 2
– LED Indicator: Power status indicator
– Number of Connectable Conference Units: Max. 30 units
– Operating Temperature: 0 °C to +40 °C (32 °F to 104 °F)
– Operating Humidity: 90 %RH or less (no condensation)

### Design:
– Finish: Steel plate, black, 30% gloss, paint

### Dimensions:
– 90 (W) x 37 (H) x 97.5 (D) mm

### Weight:
– 450 g (1 lb)