
IFS NS3552-8P-2S AND NS3550-2T-8S User Manual
1.5 Product Specifications
Product NS3552-8P-2S
2 10/ 100/1000Base-T RJ-45s
2 10/100/1000Base-T Ethernet interface
8 1000Base-SX/LX/BX SFP interfaces
Compatible with 100Base-FX SFP
8 100/1000Base-SX/LX mini-GBIC SFP slots
1 x RJ-45-to-RS-232 serial port (115200, 8, N, 1)
Store-and-Forward Store-and-Forward
(packet per
14.8Mpps@ 64Bytes packet 14.8Mpps
Address Table
8K entries, automatic source address learning and
ageing
8K entries, automatic source address learning and
ageing
4Mbits
Flow Control
IEEE 802.3x Pause Frame for Full-Duplex
Back pressure for Half-Duplex
IEEE 802.3x Pause Frame for Full-Duplex. Back
pressure for Half-Duplex
Reset Button
< 5 sec: System reboot
> 10 sec: Factory Default
< 5 sec: System reboot
> 10 sec: Factory Default
DIN Rail Kit and Wall Mount Kit
DIN Rail Kit and Wall Mount Kit
Connector
Removable 6-pin terminal block for power input
Pin 1/2 for Power 1; Pin 3/4 for fault alarm; Pin 5/6 for
Power 2
Removable 6-pin terminal block for DI/DO interface
Pin 1/2 for DI 1 & 2; Pin 3/4 for DO 1 & 2; Pin 5/6 for
Alarm
One relay output for power failure. Alarm Relay
current carry ability: 1A @ DC 24V
One relay output for power fail. Alarm Relay current
carry ability: 1A @ DC 24V
DI/DO
2 Digital Input (DI): Level 0: -24V~2.1V (±0.1V)
Level 1: 2.1V~24V (±0.1V)
Input Load to 24V DC, 10mA max.
2 Digital Output (DO): Open collector to 24VDC,
LED Indicator
Power 1 (Green)
Power 2 (Green)
Fault Alarm (Green)
Ring (Green)
Ring Owner (Green)
Per 10/100/1000T RJ-45 Ports:
PoE In-Use (Orange) (NS3552-8P-2S only)
LNK/ACT (Green)
Per SFP Interface:
1000 (Orange)
Power 1 (Green)
Power 2 (Green)
Fault Alarm (Green)
Ring (Green)
R.O. (Green)
Per 10/100/1000T RJ-45 Ports:
1000 (Green)
10/100, LNK/ACT (Orange)
Per SFP Interface:
1000 LNK/ACT (Green)
152 x 107x 72mm 152 x 107x 72mm
DC 48V DC 12 to 48V, AC 24V Power Adapter
At/31.9 watts / 108.78BTU (Full loading without PoE
13.92 Watts / 47.76BTU (Full loading)
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