R911273260 is part of the CCD Motion Controller Series by Indramat Controls.
Specs
Product Line: CCD Slots for Option Cards: 4 Compatible with: Bosch Rexroth Motion Controllers LED Indicator: H1 Communication Type: SERCOS III Interface Connectors: Two RJ 45 Type Connector Pins: 8 (4 in use) Differential Outputs: A and B (Transmit 10/100 Base-T signals) Differential Inputs: A and B (Receive 10/100 Base-T signals) Housing Feature: Shield Connection Size: 21 x 11 x 19 cm Weight: 2.4kg Portability: High.