Pub.

42004-615L2

Model 670-801-EX and 670-801-UL SmartSeries Amplifiers

Page: 6 of 15

Interfaces

The unit interfaces to the multi-party cable and to the external loudspeaker, and auxiliary devices via P1, a 16-pin connector.

Pin No.

Function

Description

Pin No.

Function

 

 

 

 

 

 

 

 

 

 

 

 

 

1

PL_L1

Party line (L1)

9

PL_L2

 

 

 

 

 

 

 

2

PG_L1

Page line (L1)

10

PG_L2

 

 

 

 

 

 

 

3

MT_L1

Mute (L1)

11

MT_L2

 

 

 

 

 

 

 

4

AUX0IN*

Auxiliary input (0)

12

AUX1IN*

 

 

 

 

 

 

 

5

SPKR_8

Speaker (8-ohm)

13

EGND

 

 

 

 

 

 

 

6

SPKR_16

Speaker (16-ohm)

14

SPKR_C

 

 

 

 

 

 

 

7

N/C

No connection

15

N/C

 

 

 

 

 

 

 

8

AC_N

AC neutral

16

AC_H

 

 

 

 

 

 

 

Description

Party line (L2) Page line (L2) Mute (L2)

Auxiliary input (1) Earth ground Speaker (common) No connection AC hot

The P1 connections for the multi-party cable are separated from the speaker connections within the enclosure.

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Hubbell 670-801-EX, 670-801-UL manual Interfaces, Ach