NEC Univerge sv8500 Manual page 463

FUNCTION
Number of lines
Signaling Method
Reverse Detection
Caller ID
Call Metering Pulse
PSTN In-
Detection
terface
Line Fault Detection
(MG
AC Clearing
Side)/
Function
Selection Signal
Automatic Polarity
Reverse
Terminal Impedance
and BNW
PAD Control
(for voice transmis-
sion)
PB only
Note 1:
Grounding less than 10 Ω is desirable for Reverse Detection. If the grounding is not available, the interface
Note 2:
functions as a ringdown trunk.
MG (COT) Specifications
SPECIFICATION
Two lines
Loop Start (Ground Start is not sup-
ported)
Supported
Not Supported
Not Supported
Not Supported
Not Supported
DTMF only
Supported except for North America
600Ω (Default setting)
-10dB ~ +20dB
VOL.2-210
MC & MG with PFT
NOTE
RJ-11 Modular Jack 2 Ports Note 1
Grounding less than 10 Ω is required.
Note 2
DP is not supported
→
Default value: analog LAN = 0 dB
→
LAN analog = 0 dB