Contex Wide Format Color Operator's Manual page 10

Installation
FireWire + SCSI Cable - Connectors
FIREWIRE FIREWIRE
Figure 3-3 FireWire + SCSI Connector
Note: The extra SCSI connector and extra FireWire connector are for
daisy-chaining another device to your system and not for interfacing
with another PC.
Regulatory Notice: Your scanner product has been tested to comply
with the EMC Standards EN55022 and FCC, Part 15. To maintain
compliance, only use shielded SCSI/USB/FireWire (FW) interface
cables.
SCSI connectors
(One for connection to PC
and one for daisy-chaining
another device)
AUX
(Future purpose connector)
AUX
FireWire connectors
3-5