Number Item
3 Speaker Wires – These connections correspond to P6 detailed in Figure 71: RECH Y-
Cable Pin Diagram on page 114 and correspond to the Loudspeaker output of the
eCH. The Audio Amplifier which supplies this output requires an independent DC Sup-
ply, refer to Number 2. The use of connector kit PMLN6487_ allows a plug and play
installation of the associated Loudspeakers such as RSN4002_.
4 Free-end Wires – If used during installation, heat-shrink wrap unused wires to prevent
shorting. These connections correspond to P3 detailed in Figure 71: RECH Y-Cable
Pin Diagram on page 114. These connections provide multiple functions including
Hands Free Microphone (HF1 and HF2) these two inputs are individually screened
and include a common drain-Ground, PTT1 and PTT2, Power On, Rear Audio and the
available GPIO lines. The use of Impres Visor Microphone RMN5054_ also requires
the One Wire bus connection provided on this cable.
5 Rear GCAI Connector – These connections correspond to P2 detailed in Figure 71:
RECH Y-Cable Pin Diagram on page 114 and this is the Ten (10) pin Rear GCAI Ac-
cessory connector which enables compatible Accessories such as the RMN5107_ Fist
Microphone to be connected to the rear of the Control Head.
6 Ferrite Clamp, PN 91012044002. Manual installation is required. Clamps are installed
with 2-turns of wire around the clamp.
7 Ferrite Clamp, PN 91012044003. Manual installation is required. Clamps are installed
with 2-turns of wire around the clamp.
8 Fuse of 2A, PN 65012023001
9 Label for Y-cable power rating
NOTICE:
See Chapter 5 for wiring and pin out information.
Manual installation required. Clamps are fixed with 2-turns of wire.
The Accessories Expansion TSCH Y-Cable (PMKN4134_) allows the user to connect extra
accessories.
68015000181-LB
Chapter 4: Radio Installation
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