NEC NEAX 2000 IVS Installation Manual page 141

NAP 200-007
Sheet 39/56
Termination of Cables on the MDF
(11) External Tone Source Equipment
The cross connection for a customer owned external tone source equipment is shown in
through Figure 007-34
Requirement for the External Tone Source Equipment
• Output level
• Output impedance
• Control Method
The current capacity of relay driver (PN-DK00 card) is 0.125 A.
Note 1:
When connecting the external tone source equipment using the PN-4COT and PN-DK00 cards, an appro-
Note 2:
priate diode must be installed on the MDF, as shown in
CHAPTER 3
Page 124
Revision 2.0
as an example.
: Less than 0 dBm (Adjustable)
: Less than 1 k (When using PN-4COT and PN-DK00)
: Less than 10 k (When using Pin Jacks on PN-TNTA)
: Start - Ground Start
: Stop - Ground Off (Open)
ND-45492 (E)
Note 1
Figure 007-32.
Figure 007-32