Aria-24
ipe
Digital Key Telephone System
Installation Manual
Issue 1.5
Aria Technologies
34
LED indications
MBU/B
No.
Meaning
LED1 (Red)
Periodic toggle – ON: 2 sec., OFF: 100m sec.
LED2 (Red)
Periodic toggle – ON: 2 sec., OFF: 100m sec.
LED3 (Red)
Timer, Flashing every 100msec
LED4 (Red)
LCD active updating, Flashing every 300msec
LED5 (Green)
The status of PLL for 32Mhz clock synchronization (Aria-24/D only)
(ON = Active, OFF = Inactive)
LED6 (Red)
The status of Main SYSTEM Power
STIB LED indications
LED
STATUS
LINE NO.
REMARK
ON
OFF
LD7
RED
ERROR
IDLE
1
BRI
GREEN
IN-USE
LD8
RED
ERROR
IDLE
2
BRI
GREEN
IN-USE
CN17 Pin assignment
MBU
Connector
Pin Number
NO
SIGNAL NAME
FUNCTION
RS-232C
1
RESERVED
2
TD
Transmitted Data
3
RD
Received Data
4
DSR
Data Set Ready
5
SG
Signal Ground
6
DTR
Data Terminal Ready
7
CTS
Clear To send
8
RTS
Request To Send
9
RESERVED
PC
Connector
Pin Number
NO
SIGNAL NAME
FUNCTION
RS-232C
1
RESERVED
2
RD
Received Data
3
TD
Transmitted Data
4
DTR
Data Terminal Ready
5
SG
Signal Ground
6
DSR
Data Set Ready
7
RTS
Request To Send
8
CTS
Clear To Send
9
RESERVED
