Pitney Bowes DP50S Hardware Manual page 36

2. Installing Options
2
Use both hands to slide the controller board completely out.
7. Install the Gigabit Ethernet board in the indicated position.
Install the hard disk carefully if the SDRAM module is already installed. If the hard disk
comes in contact with the SDRAM module, the SDRAM module may become damaged.
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BMV269S
BMV270S
BMV162S