User guide

9." Appendix
Craft & External Alarm Ports Pin Assignment
External clock port
110
3. Alarm port:
4. External alarm port:
The voltage offset between positive and negative input: 3 ~ 60VDC
Input current range: 0.5 ~ 8 mA
Pin No. Signal
1
2 RMIN LEDA
3 RMIN BUA
4 RMAJ LEDA
5 RMAJ BUA
6 RMIN LEDB
7 RMIN BUB
8 RMAJ LEDB
9 RMAJ BUB
Pin No. Signal
1 Positive input
Port
8 Negative input
4 Positive input
Port
9 Negative input
4 1
9 8
5 1
69
4
8
Pin 4 and Pin 8 of DB9 are used for E1 PCM data or TTL Clock input.
Craft port (VT100)
Pin No.
Signal
2
TxD
3
RxD
5
GND
1
69
2
109
Appendix
A-1 Carft & External Alarm Ports Pin Assignment
1. External clock port:
Pin 4 and Pin 8 of DB9 are used for E1 PCM data or TTL Clock inpot.
2. Craft port (VT100):
Pin No. Signal
2 TxD
3 RxD
5 GND
5 3 2
4
8
35
Alarm port
Pin No.
Signal
1
-
2
RMIN LEDA
3
RMIN BUA
4
RMAJ LEDA
5
RMAJ BUA
6
RMIN LEDB
7
RMIN BUB
8
RMAJ LEDB
9
RMAJ BUB
15432
110
3. Alarm port:
4. External alarm port:
The voltage offset between positive and negative input: 3 ~ 60VDC
Input current range: 0.5 ~ 8 mA
Pin No. Signal
1
2 RMIN LEDA
3 RMIN BUA
4 RMAJ LEDA
5 RMAJ BUA
6 RMIN LEDB
7 RMIN BUB
8 RMAJ LEDB
9 RMAJ BUB
Pin No. Signal
1 Positive input
Port
8 Negative input
4 Positive input
Port
9 Negative input
4 1
9 8
9876
Appendix! 113