1–8 Model 2100 and 2200 Ultra SCSI Controller Enclosures User Guide
NOTE:
All UPS planning is configuration-dependent. The user is responsible for planning and
acquiring an appropriate size and type of UPS, based upon all enclosures supported by this
device.
Ultra SCSI Bus Cables
Compaq recommends using the shortest cable length possible to connect storage
enclosures. The maximum supported cable length is 3 m (9.8 ft). Table 1–3 lists the
available bus cables.
Table 1–2 Serial Port Pinout for Power Monitoring
Connector
Pin
Signal Name
Serial port connector:
Pins:
10
9
8
7
6
5
4
3
2
1
Ground
TWO_MINUTE_WARNING
AC_FAIL
CXO6772A
1
10
Table 1–3 Ultra SCSI Bus Cables
Cable Description
Length
Part Number
Meters
Feet
68-conductor cable with two 68-pin VHDCI straight plug
connectors containing jack screws
0.3
1.0
126308–001
0.5
1.6
401939–001
1.0
3.3
126308–003
1.5
4.9
401941–001
2.0
6.6
401940–001
2.5
8.2
126308–006
3.0
9.8
126308–007
CXO5702B