Alcatel-Lucent 7750 SR-a4 - 1 PPS Port; Figure 83 Alarm Inputs Using External Power Source

CPM-a Port Types
220 7750 SR-a4 and SR-a8 Installation Guide
Figure 83: Alarm Inputs Using External Power Source
1PPS Port
The CPM-a supports one 1PPS port, which uses an SMB coaxial connector. The 1PPS port
is reserved for future use.
off active
Alarm 1
Power Supply Must be
Floating or Isolated from
Chassis Ground
-
+
External Alarm Relays
On Other Equipment
off active
Alarm 2
off active
Alarm 3
off active
Alarm 4
Alarm DB15
Pin 15-
Pin 8+
Pin 14-
Pin 13-
Pin 12-
Pin 7+
Pin 6+
Pin 5+
Alarm in 2
Alarm in 1
Alarm in 3
Alarm in 4
24599
DC Power Supply
18-50 VDC @ 100 mA