IBM eServer xSeries, Configuration And Options Manual

Page: 118 / 127

117
Updated
28/02/01
External Tape Enclosures
10L7440 - External Half High SCSI Storage Enclosure
8
8/16 Desktop - - N N
8-bit or
16-bit
- -
03K8756 - NetMEDIA Storage Expansion Unit EL
9
16 Rack - - Y N
16-bit,
4-drop
- -
10L7113 - NetMEDIA Systems Management Adapter
10
16 - - - N N N - 03K8756
03K8705 - DLT External SCSI Enclosure
11
16 Desktop - - N N 16-bit - -
1. To determine cable requirements, note the tape drive’s SCSI interface, the appropriate SCSI controller from the system configurator section and the desired enclosure then refer to Appendix D: Cables-
Storage Units-Controllers.
2. Data compression typically provides a 2X improvenent in capacity and transfer rate, bur since data compression is affected by many factors, actual improvements may be more or less than 2X.
3. LVD support for LVD devices installed in a NetMEDIA Storage Expansion Unit EL P/N 03K8756 requires replacement of the standard single-ended internal cables with one or more (depending on
configuration) cables from Media Bay Tray and LVD Cable Kit P/N 10K2340 which contains a single two-drop multi-mode terminated cable. If the standard cables are used for attachment to LVD
devices, single-ended SCSI rules and bus speeds apply.
4. Requires 68-pin External Multimode LVD/SE SCSI Terminator P/N 00N7956.
5. Requires installation of the multi-mode terminated LVD cable from Media Bay Tray and LVD Cable Kit P/N 10K2340.
6. Netfinity Two-Drop Internal SCSI Cable P/N 36L9636 is a single-ended wide two-drop terminated cable.
7. Media Bay Tray and LVD Cable Kit P/N 10K2340 includes an internal two-drop multi-mode terminated LVD SCSI cable.
8. Provides a black desktop 5.25” half-high (HH) tape enclosure. Connector is configurable as 50-pin Centronix or 68-pin high density. Requires either tape drive self termination
or 68-pin External
Multimode LVD/SE SCSI Terminator (P/N 00N7956).
9. NetMEDIA Storage Expansion Unit EL P/N 03K8756 is a black 3U, 19” rack or NetBAY3/3E mountable tape enclosure which includes two full high (FH) or four half-high (HH) extended length 5.25”
bays, two external 68-pin high density connectors and two internal four-drop single-ended terminated 16-bit SCSI cables for device attachment. Two power supplies and two standard country power cords
are also included.
Tip: The front rail clips will need to be reversed and screwed in from behind to secure the unit in a 930842x rack.
10. NetMEDIA Systems Management Adapter P/N 10L7113 may be installed in a NetMEDIA Storage Expansion Unit to provide repeater function, LVDS interface, aggregate cable lengths up to 12
meters when attached to an LVD SCSI controller, and auto-termination when the Expansion Unit is powered off. External connector is 0.8-mm VHDCI.
11. Provides a black desktop DLT tape enclosure, with a 68-pin high density external connector. Requires termination by the tape drive or by installation of 68-pin External Multimode LVD/SE SCSI
Terminator P/N 00N7956.
12. A combination data/cleaning cartridge cleans the drive each time the data cartridge is used.
13. Not available from IBM after this date. Business Partner inventory may be available.
14. Where ‘xx’ represents a country specific power cord code: 70=UK, 71=Swiss, 72=Italy, 73=Israel, 33L4981=EU1, 33L4982=Denmark, 33L4983=South Africa/India.
Note: Tape support varies by system depending on internal bay availability, SCSI cabling type, number of cable drops, existence of a RAID controller and availability of a suitable external enclosure. The
following general rules should be followed.
a) Tapes are not supported for attachment to RAID controllers.
b) Single-ended (non-LVD) devices may be attached to internal multi-mode terminated cables. The entire SCSI bus will be limited to single-ended operation with a maximum bus speed of Ultra-SCSI.
c) LVD devices attached to single-ended terminated cables will operate in single-ended mode with a maximum bus speed of Ultra-SCSI.
Internal SCSI Cables and Optional SCSI Adapters
Most systems support the following SCSI adapters for use with tape. Consult the I/O Options table in the system sections for specific system support. Where tapes are supported internal to the system, the
cables which ship with the adapters are supported for tape attachment. Some restrictions may apply based on cable and tape type which are explaned in the note above.
Form Factor
LEGEND
HH: Half High - approx. height of 1.6”
SL: Slim Line - approx. height of 1”
FH: Full High
Description
Part Number Description Cable Description
02K3454 PCI Fast/Wide Ultra SCSI Adapter Four-drop, single-ended terminated, 16-bit
19K4646 PCI Wide Ultra160 SCSI Adapter Five-drop, multi-mode terminated
36L9636 Netfinity Two-Drop Internal SCSI Cable Two-drop, single-ended terminated, 16-bit
10K2340 Media Bay Tray and LVD Cable Kit Two-drop, multi-mode terminated