Aria-24
ipe
Digital Key Telephone System
Installation Manual
Issue 1.5
Aria Technologies
54
4.2
WTIB / WDIB Installation
4.2.1
WTIB Installation
The WTIB connects to Base Stations using two pair of an RJ45 connector as shown in Figure 6.2 and
wiring charts below.
Figure 4.2.1 WTIB, Wireless Terminal Interface Board
NOTE—
1.
The WTIB should only be installed when power to the system is Off; installation with power On
will cause damage to the system and/or WTIB.
2.
The modular connectors, WTI1 to WTI4, are connected to Base Stations using 2-pair
unshielded twisted pair cable.
WTIB LEDs
LED No.
LED On
LED 1
HDLC Interrupt
LED 2
10ms task interrupt operation
LED 3
Voice channel active
LED 4
Echo canceller enable