Power Supply Connections; Alarm Connections - Optical Systems Design OSD2258P Quick Start Manual

4 Power Supply Connections

Connect the dual redundant power to the 8-way terminal block located on the top of the unit.
The OSD2258P requires external 46 to 57V
(All 8 ports supplying 60W PoE++ power). > 52V
(60W).
External Power Pin

5 Alarm Connections

The OSD2258P has two monitoring alarm outputs: 1) Ring/Bus Alarm and 2) Temperature Alarm. The
alarm connections and conditions for alarm outputs are as set out in Table 2. There are four pins on the
3.5mm terminal block used alarm output. Maximum ratings the relay can drive is 100mA @ 46V
Note: Alarm output has no polarity.
Alarm
Output
Open
Closed
*Note: Bus alarm is only triggered after a ring connection is established.
PAGE 7
OPTICAL SYSTEMS DESIGN
DC
FIGURE 4: POWER CONNECTION
TABLE 1: DC POWER CONNECTION
Pin 1,2,5,6
Pin 3,4,7,8
TABLE 2: ALARM CONNECTIONS
Alarm Ch1
Ring /Bus Status
Ring
Bus*
OSD2258P QUICK START GUIDE
@5VA maximum (no PoE in use) to 500VA maximum
recommended for PoE+ or ≥55V
DC
1
Specification
0V (Ground Isolated)
46 to 57V @ up to 500VA
DC
Alarm CH2
Temperature
Less than 80°C
Higher than 80°C
for PoE++
DC
2 3 4 5 6
DOC ID: 10118401
7 8
.
(max)