Model Format Manag. Type #Count Type Description Rugged Option
RM921NB
 6U VME Fully Managed Layer-2/3+ 12 or 24 10 / 100 / 1000BaseT, 1000BaseLX, 1000BaseSX, 100BaseFX IPv6 Enabled, 6U VME 24-Port Fully Managed Layer 2/3+ Gigabit Ethernet Switch with Front Access I/O and OpenWare Switch Management Environment Ext. Temp -40°C to 85°C
Conformal Coating
RM922RC 6U VME Managed Layer-2/3+ 24 10 / 100 / 1000BaseT IPv6 Enabled, 6U VME 24-Port Fully Managed Layer-2/3+ Gigabit Ethernet Switch with Rear I/O and OpenWare Switch Management Environment Ext. Temp -40°C to 85°C
Conformal Coating
GBX24 6U VME Managed Layer-2/3+ 24 10 / 100 / 1000BaseT, 1000BaseLX, 1000BaseSX IPv6 Enabled, 6U VME, Conduction Cooled, 24-port Gigabit Ethernet Switch Ext. Temp -40°C to 85°C
Conduction Cooled
Conformal Coating
RM981RC 6U VME Unmanaged Layer-2 12 or 24 10 / 100 / 1000BaseT, 1000BaseLX, 1000BaseSX VME 8, 12 or 24-Port Unmanaged Layer-2 Gigabit Ethernet Switch with Front I/O Ext. Temp -40°C to 85°C
Conformal Coating
RM980RC 6U VME Unmanaged Layer-2 12 or 24 10 / 100 / 1000BaseT VME 12- or 24-Port Unmanaged Layer-2 Gigabit Ethernet Switch with Rear I/O Conformal Coating
ComEth 4000a 6U VME Fully Managed Layer-2/3+ 12 or 24 10 / 100 / 1000BaseT, 1000BaseBX, 1000BaseSX L2 & L3 Gigabit Ethernet Switch Ext. Temp -20°C to 65°C
Rugged -40°C to 75°C
ComEth 4030a 6U VME Fully Managed Layer-2/3 21 10 / 100 / 1000BaseT, 1000BaseSX L2 & L3 Versatile GigaEthernet Switch Ext. Temp -20°C to 65°C
Rugged -40°C to 75°C
ComEth 4070a 6U VME Fully Managed Layer-2/3 24 10 / 100 / 1000BaseT, 1000BaseSX L2 & L3 Gigabit Ethernet VME Switch Ext. Temp -20°C to 65°C
Conduction Cooled
-40°C to 75°C
ComEth 4070b 6U VME Fully Managed Layer-2/3 15 13 x 10/100/1000Base-T (rear)
2 x 1000BaseSX (front)		 L2 & L3 Gigabit Ethernet VME and CPCI Switch Standard:
0°C to +55°C
Extended:
-20°C to 65°C
Rugged:
-40°C to +75°C
Conduction Cooled
-40°C to 75°C at the thermal