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.
Serial port connector:
Pins:
10
1
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.
68-conductor cable with two 68-pin VHDCI straight plug
connectors containing jack screws
Table 1–2 Serial Port Pinout for Power Monitoring
Connector
CXO6772A
Table 1–3 Ultra SCSI Bus Cables
Cable Description
CXO5702B
Pin
Signal Name
10
9
8
7
6
5
Ground
4
3
TWO_MINUTE_WARNING
2
AC_FAIL
1
Length
Meters
Feet
0.3
1.0
0.5
1.6
1.0
3.3
1.5
4.9
2.0
6.6
2.5
8.2
3.0
9.8
Part Number
126308–001
401939–001
126308–003
401941–001
401940–001
126308–006
126308–007