OPTICAL SYSTEMS DESIGN
DOC ID: 10108502
OSD159 OPERATOR MANUAL
PAGE 10
2.2.3
POWER SUPPLY CONNECTIONS
The OSD159 card version is powered from the OSD370 or OSD350 chassis. DC power on the OSD159
card version is connected via the DB9 connector. The card version of the OSD159 should be fixed into
the OSD370 (or OSD350) chassis using the captivated screws. The card can be plugged in or out of the
OSD370 (or OSD350) chassis with power on or off.
The OSD159 module requires external DC power. The voltage range of the OSD159 is
+8 to 40VDC or
15 to 26VAC at 3VA maximum
. Power should be connected to the power socket located at the back of the
case as indicated in Table 4.
TABLE 4: DC OR AC POWER CONNECTION
External Power Pin
Specification
Pin 1
8 to 40VDC or 15 to 26VAC at 3VA maximum
Pin 2
Ground – 0V
FIGURE 4: OSD159 POWER SUPPLY CONNECTIONS
2.2.4
OTHER CONNECTIONS
The OSD159 Copper version has a 4 way terminal block connector on front side while the OSD159
Fiber version has a 2 way terminal block connector.
FIGURE 5: OSD159 CONNECTIONS
Power Connector
1
2
See section 2.2.3
Fiber Version
Ground
Alarm
RS OUT
RS IN
Alarm
Ground
Copper Version
