Serial Connectors and Flex-WAN Cables 47
Flex-WAN cables can be purchased from 3Com. Table 11 lists each 
Flex-WAN cable and part number. Cable pinouts are provided in the 
following sections.
Table 11   Flex-WAN Cables
Cable 
Length
Cable Type Part Number Pinouts
4 ft. RS-232 DTE (straight-through cable to connect to a DCE) 3C89002 page 48
RS-232 DCE (crossover cable to connect to a DTE) 3C89004 page 49
V.35 DTE (straight-through cable to connect to a DCE) 3C89006 page 50
V.35 DCE (crossover cable to connect to a DTE) 3C89008 page 51
X.21 DTE (straight-through cable to connect to a DCE) 3C89010 page 52
X.21 DCE (crossover cable to connect to a DTE) 3C890012 page 53
RS-449 DTE (straight-through cable to connect to a DCE) 3C890014 page 54
RS-449 DCE (crossover cable to connect to a DTE) 3C890016 page 55
RS-530 DTE (straight-through cable to connect to a DCE) 3C890018 page 55
V.35 extended shroud DTE (straight-through cable to connect to a DCE)
*
3C890020 page 50
V.35 extended shroud DCE (crossover cable to connect to a DTE)
*
3C89022 page 51
10 ft. RS-232 DTE (straight-through cable to connect to a DCE) 3C89001 page 48
RS-232 DCE (crossover cable to connect to a DTE) 3C89003 page 49
V.35 DTE (straight-through cable to connect to a DCE) 3C89005 page 50
V.35 DCE (crossover cable to connect to a DTE) 3C89007 page 51
X.21 DTE (straight-through cable to connect to a DCE) 3C89009 page 52
X.21 DCE (crossover cable to connect to a DTE) 3C890011 page 53
RS-449 DTE (straight-through cable to connect to a DCE) 3C890013 page 54
RS-449 DCE (crossover cable to connect to a DTE) 3C890015 page 55
RS-530 DTE (straight-through cable to connect to a DCE) 3C890017 page 55
V.35 extended shroud DTE (straight-through cable to connect to a DCE)
*
3C890019 page 50
V.35 extended shroud DCE (crossover cable to connect to a DTE)
*
3C890021 page 51
*The V.35 extended shroud cable is required for some equipment, particularly IBM legacy equipment.
HWBook  Page 47  Friday, June 19, 1998  3:42 PM