Qpcom QP-748MI Hardware User Manual - page 13
QP-748MI User Manual
Version 1.0
11
VLAN Table Size
4094
IGMP Group
1023
Packet Buffer
12Mbits
Interface
RJ45 Port
8x 10/100/1000T(x), auto negotiation speed duplex mode, auto
MDI/MDI-X
Fiber Port
4x 1000 SFP Slot
LED Indicators
Per unit: PWR1, PWR2, Fault, Ring Master, Ring State
Ports: Link/Active with highest speed(Green), low speed(Amber)
Alarm Contact
1x relay output with current carrying capacity of 1A @ 24 VDC
Digital Inputs
1x isolated input from the electronics.
+13 to +30V for state "1"
-30 to +3V for state "0"
Max. input current: 8mA
Button
Multiple functions reset button
Serial Console
1x RS232 in RJ45 connector with console cable, 115.2Kbps, 8N1
Storage
1x USB 2.0 storage for firmware update, configuration backup, restore,
boot up and syslog
Power Requirements
Operation Voltage
12-48VDC, redundant dual inputs
Connection
1x removable 4-contact terminal block
Power Consumption
17W
Protection
Overload Current Protected, Reverse Polarity Protected
Mechanical Construction