User's Manual

M7X and M7R Page 4-27 Installation

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Audio – Tape/External Speaker Connector

An 8-way RJ48 socket marked that is used to connect a tape recorder or an external

loudspeaker.

The pin-out is listed in Table 4-14.

Table 4-14 Tape/External Speaker Connector Pin-Out

Pin Signal Characteristics Input or Output

TX/RX tape line out -

TX/RX tape line out +

Balanced 600 ohm, -13 dB (±2 dB). Output

3 Not connected - -

4 Speaker drive 3.5 V pk-pk. Output

5 Speaker ground 0 V. -

6 Not connected - -

7 Ground 0 V. -

8 Supply

When the radio is operating from an ac input, the

output is 24 Vdc (±1 V).

When the radio is operating from a dc input, the

output is between 20 and 32 Vdc.

The Supply output is fused at 500 mA.

Output

TAPE