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MIRACALL TECHNOLOGY CO.,LTD
11
Serial port for PBX COM port for computer
2 receiver 3
3 sender 2
7 ground 5
Data transmission between PBX and computer as the above figure. ( 9 serial ports)
1-6-6
Back-up Battery Connection ( 2Pcs 12V/7AH)
When system power off , back-up battery can make the system work normally. 24V battery is allowed
(eg.: connect 2pcs of 12V battery).
Backup Time: 4 ~8 hours.
Battery Connection
2Pcs 12V 7Ah is serial connection to Main Unit.
24V
12V/7Ah 12V / 7Ah
1-6-7
External Loud Speaker (for PAGING)
In Multi-function card, there is an output port for External Loud Speaker. User can page at any extension
when system is linked with this port, through 3.5mm standard audio connector.
1-6-8 External Music Source
User can replace the built-in on hold music from external source music such as MP3, CD (3.5mm
standard audio connector).External MUSIC port is in Multi-function card.
1-6-9
Ground Requirement
In order to avoid thunder storm, the system must connect to ground and the ground resistance is less than
5
Ω
. Meanwhile, the ground cable must be separately and reliable.
- +
- +
CAUTION:
●
For the sake of personal safety and communication quality, grounding of KTS
should be reliable. Or else, the lightning-proof device inside would fail to work.
●
Resistance to ground should be less than 5 ohm.
●
The ground point should be directly connected to ground by cable (not linked to
other ground points).