Technical Data

External interface KE4

duplex connection between 4 internal stations to one external participiant like:

• Different brand talkback systems
• Wireless headsets
• 4-wire lines telecom
• Studio IFB with programm sound
• ISDN using an additional ISDN codec
• AES-EBU using an additional converter
• Fiber optic using an additional converter

Dimensions 2RU-19", depth 100mm without connectors

Electronical parts SMD sub boards on a mother-board

2x Front-indicator for external and internal direction

send (green) - receive (red) status,

threshhold for modulation, signal input/output,

external 4-wire connection on connector B switchable

between +6dBu to 4-wire level -17/+9dBm (Telecom - 600 Ohm)

Rear connector plate:

Connector A 1x9 pin male sub-D to patch-panel

(cable type 8x0,14 with screen)

Cable-length max. 5km using 2x0,14 square mm

Single talkback connections over normal coax cable are possible

Connector B 1x9 pin female sub-D for external 4-wire connection +6dBu

Connector C 1x15 pin female sub-D for aux control

Connector D 1x 9 pin sub-D male for IFB (program-sound in)

Power supply 230V AC, built in power supply 2 x 15V/1A

Chassis-euro-connector

Temperature +5 degrees- +40 degrees celsius

Weight 4 kg