IBM System Storage TS3500, Introduction And Planning Manual

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Any combination of up to two initiators (servers) and up to four targets (devices)
is allowed on a single SCSI bus if the following conditions are met:
v
The SCSI bus is terminated properly at each end
v
Cable restrictions are followed according to SCSI-3 standards
Under the SCSI-3 protocol, this type of attachment allows cable lengths of up to 25
m (81 ft) with the appropriate cable and terminator for HVD devices and up to 12
m (39 ft) for LVD devices.
For more information about the SCSI interface, see the IBM System Storage TS3500
Tape Library SCSI Reference .
FICON and ESCON interfaces
This section describes the FICON and ESCON interfaces used to attach the TS3500
Tape Library to the System z server.
The TS3500 Tape Library does not provide native attachment to Fibre Connection
(FICON) or Enterprise System Connection (ESCON) interfaces. Instead, the TS3500
Tape Library attaches to the IBM System z server (mainframe host) through one of
the following configurations:
v Through a 3953 Tape System (3953 F05 Frame and 3953 L05 Library Manager),
which allows attachment of the TS3500 Tape Library with 3592 tape drives (not
LTO Ultrium tape drives) to the IBM System z server (mainframe host). The
System z servers then attach through a FICON or ESCON interface to one of the
following FICON/ESCON-enabled components:
– IBM System Storage TS1120 Tape Controller Model C06 (3592 C06)
– IBM TotalStorage 3592 Tape Controller Model J70 (3592 J70)
– IBM TotalStorage 3494 Virtual Tape Server Model B10 (3494 B10)
– IBM TotalStorage 3494 Virtual Tape Server Model B20 (3494 B20)
– IBM Virtualization Engine TS7740 (code level 8.4.1.x and earlier)
v
Through an IBM Virtualization Engine TS7740 with integrated library manager
(code level 8.5.0.x and later), which allows attachment of the TS3500 Tape
Library with 3592 tape drives (not LTO Ultrium tape drives) to the IBM System
z server (mainframe host).
Note: This configuration requires that the TS3500 Tape Library includes an L23
or D23 frame that is equipped with 4 Gb Fibre Channel switches (feature code
4872 or 4873) or 8 Gb Fibre Channel switches (two of feature code 4875 or 4877).
In order to use the 8 Gb Fibre Channel switches, the TS7740 must be at code
level 8.20.0.x or later.
v
Through a 3592-C07 Tape Controller with integrated library manager, which
allows attachment of the TS3500 Tape Library with 3592 tape drives (not LTO
Ultrium tape drives) to the IBM System z server (mainframe host).
Note: This configuration requires that the TS3500 Tape Library includes an L23
or D23 frame that is equipped with 8 Gb Fibre Channel switches (feature code
4875 or 4877).
In each configuration, the FICON/ESCON-enabled products include attachment to
a system console. It is recommended that the TS3500 Tape Library also be
connected to a system console. This connection reduces the number of analog
phone lines needed for remote support and improves collaboration between the
systems in resolving hardware problems.
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IBM System Storage TS3500 Tape Library with ALMS: Introduction and Planning Guide
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