Removing And Replacing The Sun Storedge Remote Response Hardware - Sun Microsystems StorEdge 3900 Series Reference And Service Manual

16.2 Removing and Replacing the Sun
StorEdge Remote Response Hardware
This section describes removing and replacing the NTC 8-port annex portion of the
Sun StorEdge Remote Response program.
TABLE 16-2
Hardware.
FIGURE 11-1
and the 8-port NTC unit.
TABLE 16-2
Cable
B7
G1
H1
J2
K1
L1
M5
O4
To Remove the NTC Unit
1. At the back of the storage system, open the back door and remove the two screws
on the right side of the NTC mount.
2. Open the NTC mount and turn the power off on the NTC. On the outside of the
storage system, turn the power off on the modem.
3. Make a note of the location of the cables at the back of the NTC and remove the
two cables from the RJ45 Serial Ports, the Ethernet cable, the cable to the modem,
and the power cable.
lists the cables used to connect the Sun StorEdge Remote Response
shows the cabling between the Storage Service Processor, service panel,
Sun StorEdge Remote Response Program Service Panel Cabling
Storage Service Processor
Type Connector
RJ45/RJ45 NTC port 1
RJ45 / RJ45 NETRA dfme1
RJ45 / RJ45 NTC Ethernet
RJ45 / RJ45 NETRA ttya / NTC Port 2
RJ45 / RJ45 NTC Port 8
RJ11/RJ11 Service panel to modem
RJ45 / Cable "L"
DB25(M)
RJ45 / RJ45 Ethernet Cross-Over
Chapter 16 Servicing the Network Terminal Concentrator
Service panel Connector
Serial Console Port
None. Direct to the internal
LAN.
NTC ENET
(Internal Only)
MODEM (Internally)
MODEM (Externally)
(Attaches to modem)
SP LAN -> NTC ENET
16-3