Doc.No.: 08400-006-DE
Page 6 of 19
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3. ADDITIONAL EQUIPMENT
Type BTS 4000. Amplifier unit (separate) for a 4040 / 24 lines system
Type 9000 Relay unit (for additional signal device)
Type 4018 Plugbox for headset with “Call stop”.
Type 0018 Headset with PTT switch and plug. (Connects to 4018)
Type 9010 Headset with PTT switch. (Connects directly to the telephone unit)
BRD 99400-011 Plug-in relay module for external signal device.
Type 4052 Junction box type I (12 ext.)
Type 4053 Junction box type II (8 ext.)
3.1. AMPLIFIER UNIT, TYPE 4000