NEC Univerge sv8500 Manual page 1397

• MG(PRI) Box [MG-30PRIA]
10BASE-T/100BASE-TX
connected to LAN
Note 3
connected to ISDN line
Note 3
Cable of external hold tone source needs to be conformed with all-purpose 3.5
Note 1:
jack. Adjustment of output level for external hold tone source needs to be started from low and to higher to
avoid over-current. The tuning of volume level sent is to be done by monitoring from the telephone terminal
connected over the ISDN network and tuning the output level of external hold tone source. Input impedance
from the external hold tone source needs to be within the ranges of 8
range.
If audio equipment has a ground terminal, be sure to make proper connection to grounding of audio equip-
Note 2:
ment.
Do not connect LAN and ISDN line here. These cables are connected in Section 15.3 Startup MG(PRI) and
Note 3:
Basic Tests.
100M LINK B D
ON
PWR ALM
LINE LB
Ether LINE
MG(PRI) (2M) [SCA-30PRIA/MG-30PRIA]
Maintenance Console (PC) :
used for configuration data setting
RS-232C
(D-sub 9-pin)
CONSOLE cable (option)
(serial straight-through cable)
RJ-45 serial
CONSOLE
MUSIC
RESET
FRONT
VOL.2-1144
Note 1, Note 2
Audio Equipment
connected to PHONE, LINE output
of audio equipment, if necessary
φ mono-aural ear phone
Ω - 50k Ω . Make sure not to exceed this