Ethernet port
RJ-45, 4*10/100/1000 Base-T, self-adaptive
T1/E1 ports
1, 2, or 4 ISDN trunks, supporting up to 120 simultaneous VoIP calls
Size (H*W*D)
44*440*300 mm (1U)
Single/Dual AC power supplies
100 - 240 VAC, 50/60 Hz, 1A maximum
Single/Dual DC power supplies
-36 to -72 VDC, 2.5A