IBM 3746-900, Installation Manual

Page: 101 / 276

3746-900 Test Procedure
To validate the Link
.1/
from the ESCC to the ESCON
Director or to the Channel Path ID (CHPID), verify that the
Control Unit Link Address received dynamically from the
director is the same as the value entered by the customer
when he defined the ESCA configuration.
13) ____ Record the CU Link addr (hex) value (CNTLUNIT
LINK) and Compare this address to the output provided by
the Customer.
14) ____ To leave the function, click on "Options" and from the
pulldown menu select Return.
From the MVS console, activate the path
.3/
between the
ESCC and the Channel Path ID (CHPID) of the host, ask the
customer to vary-ON vary-OFF the specific device address and
verify the status of the link (see example below of the MVS
commands to vary on the line).
Enter the command:
V Path (XXX,YY), online
You will get the status: IEE3ð21 PATH (XXX,YY) ONLINE
Note: Before the 'Vary on', the path status was: "Not phys-
ically available".
Step c. ___ Unplug the cables installed in step 10a on page 3-12.
Step 11. ____ If you are installing a:
Ÿ
3746-900 attached to a 3745-X1A, and the 3745 X1A is ready to be
connected to the 3746-900, go to Chapter 4, “Connecting the
3746-900 to a 3745-X1A” on page 4-1 .
Ÿ
3746-900 attached to a 3745-17A and the 3745 17A is ready to be
connected to the 3746-900, go to Chapter 6, “Connecting the
3746-900 to the 3745-17A” on page 6-1 .
Otherwise, go to Chapter 8, “Cable Setup” on page 8-1 and install the
external cables. Then when available, install the 3745 (or convert to
model X1A or 17A) and when completed return to this installation guide
and go to one of these chapters to complete the 3746-900 installation:
Ÿ
Chapter 4, “Connecting the 3746-900 to a 3745-X1A” on page 4-1
Ÿ
Or, Chapter 6, “Connecting the 3746-900 to the 3745-17A” on
page 6-1
Chapter 3. 3746-900 and Service Processor Power On and Test Procedure
3-13