IBM 74Y4064 Handbook page 40

The PCIe LP 4-Port Async EIA-232 Adapter provides connections for four asynchronous EIA-232 devices
using a 4-port DB-9F DTE fan-out cable. Ports are programmable to support EIA-232 protocols at a line
speed of 128 Kbps.
Figure 5. PCIe LP 4-Port Async EIA-232 Adapter
Figure 6. Cable
Specifications
Item Description
FRU number
Adapter: 46K6734 (Designed to comply with RoHS requirement)
24
Managing PCIe adapters