NEC SV8500, Manual

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VOL.2-2009
VS-32(Dual) [SCA-VS32VA/MG-VS32VA]
24.2.2 Cable Connection to VS-32(Dual)
The VS-32(Dual) provides the following types of interfaces:
• Connection to LAN
• Power Supply
• Serial port connection to Maintenance Console
• Connection to audio equipment (*optional)
Connect the required cables according to the system configuration. An example of cable configuration is shown
below:
1. VS-32(Dual) Card Cable Connection
Cable Connection to VS-32(Dual) Card (Front)
Note 1:
Cable of external hold tone source needs to be conformed with all-purpose
φ
3.5 monaural ear phone jack.
Adjustment of output level for external hold tone source needs to be started from low to higher to avoid
over-current. The tuning of volume level is to be done by monitoring from the telephone terminal connected
over PSTN line and tuning the output level of external hold tone source. Input impedance from the external
hold tone source needs to be within the range of 8
Ω
-50k
Ω
. Make sure not to exceed this range.
Note 2:
If audio equipment has a ground terminal, be sure to make proper connection to grounding of audio equip-
ment.
CF ANNC
MOH CONF
ALM PWR
ON
LINE
Ether
100M LINK
RESET
MUSIC
CONSOLE
PC for Maintenance Console
LAN Cable (10BASE-T/100BASE-TX)
connect to PHONE, LINE output
of audio equipment, if necessary
CONSOLE cable
(serial straight)
Network Device
(SW HUB, Router etc.)
Terminal program setting must be:
- Bits per second: 9600bps
- Data bits: 8bit
- Parity: None
- Stop bits:1
- Flow control: None
Telephony
Server
RS-232C
D-Sub 9-Pin
RJ-45
Note 1, Note 2
Analogue cable
FRONT
Audio
Equipment
VS-32(V)