Ericsson Orion Installation Manual download pdf (Page 55)

STEP 2 – INSTALL DUAL CONTROL UNITS

Front Mount

The Dual Control Unit feature is configured such that only one Control Unit

can be used for Extended Option accessories. Connect all Extended Option

accessories through the Main Control Unit.

1. Referring to Figure 44 and Figure 45, run the Dual Control Cable

(19B802554P9) between locations for the Radio Unit and Auxiliary

Control Unit. Be sure to locate the P2/P3 connector assembly at the radio

unit.

2. After installing radio unit mounting hardware in the normal fashion,

connect the Dual Control Cable connector (P3) to the radio unit. Tighten

the two jackscrews on P3. Next, connect the Accessory cable

(19B802554P1, 19B802554P2, or CA101288V2) connector (P1) to the

Dual Control Cable connector (P2), and tighten the jackscrews on P2.

Connect the power cable, and install radio unit in mounting bracket.

3. After installing the Auxiliary Control Unit in the normal fashion, connect

the Dual Control Cable (P1) to Auxiliary Control Unit, and tighten

jackscrews.

4. Connect the Remote Mount Accessory cable (19B802554P6) to the

Auxiliary Control Unit.

5. A yellow Ignition Sense lead is provided on the Dual Control Cable and

the Front Mount Accessory cable. If the “Ignition Sense” feature is

enabled on the radio unit, it is necessary to connect only one of the

yellow leads provided, whichever is convenient. Tape back the unused

yellow lead. (See page 14 for details.)

6. Install the Speakers in convenient locations near each radio unit.

NOTE

Parallel Audio Installation Requirements

In special configurations that require both speakers to operate at

the same time (simultaneous audio), install the speakers for

parallel audio operation. For wiring information, refer to the

Parallel Audio Setup Insert section of Figure 44 and Figure 45.

Perform the following steps to install parallel audio speakers:

1. Use the two 8Ω speakers, part number 19A149590P12, in

place of the two 4Ω speakers, part number LS 102824V1.

2. Hardwire each speaker directly (without relays) as shown

in Figure 44 and Figure 45.

It is very important to use the correct speakers for this

application. Wiring 4Ω speakers in this configuration may cause

damage to the radio.

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Ericsson Orion Installation Manual Page 55