HM-RB008 is a dual – VCG channel Gigabit Ethernet Converter, provides 4 gigabit Ethernet interfaces (3xRJ45 and 1xSFP slot) compliant with IEEE 802.3 series standard and 2 STM-1 optical interfaces, supports 1+1 optical path protection and 2+0 mode.

• 1U 19inch
• Support automatic laser shutdown（ALS）
• Support remote power down detection(RPD）
• The two optical ports can be work with 1+1 redundancy or 2+0 mode.

Optical port	Ethernet
2xSTM-1 opticalOffer SFP slot. SFP modules are available for hot swapRate: 155Mb/s	4xEthernet: 3xRJ45 electrical, 1xSFP slot for SFP moduleSupport 10/100/1000M, full/half duplex, MDI/MDIXSupport VLANMAC address table: 8KMTU: 64bytes-1552/2048 bytes configurableIntegrated Ethernet rate supported
Power	Environment
AC220V and DC-48VPower consumption: 10W±10％	Working temperature: -5 ~ 50℃Working humidity: ≤95%,non-condensing