NEC NEAX 7400 ICS - 007-20 Outline of the External Music Connection

AD-25182501 CHAPTER 3
Page 97
Revision 1.0.1
NAP- 200-007
Sheet 34/42
Termination of Cables on MDF
(10) External Music Equipment
The cross connection for customer-owned external music equipment is shown in Figure 007-21 and Figure
007-22, as an example.
Requirement for the External Music Equipment
• Output level : Less than 0 dbm (Adjustable)
• Output impedance: Less than 1 K
Ω
• Control Method : Start - Ground On
: Stop - Ground Off (Open)
(a) Outline of the Connection
Figure 007-20 Outline of the External Music Connection
MDF
PABX
PN-4COT/2COT Card
PN-DK00 Card
External Music Equipment
PZ-PW86 Card
-27V
(Optional)
AUSTEL - approved
Line Isolation Unit
For Control
For Audio
}
On/Off control is optional.
Refer to the Command Manual to
set the PN-PK00 in the Relay-Drive mode.