RadiSys ATCA-5400 RTM Reference - Leds and External Interfaces
4
LEDs and External Interfaces
21
Face plate connectors
Table 3
describes the face plate connectors on the RTM:
Important: Radisys requires the use of shielded cables for both serial and Ethernet port
connections to minimize the possibility of issues related to external electromagnetic
interference (EMI). Ethernet cables should be double‐shielded Cat 5. To comply with GR‐1089‐
CORE criteria, if cables are connected to both RTM Ethernet connectors then all cables must
be shielded.
Reset button
The RTM face plate includes a reset button, which causes the RTM MMC to issue a cold reset
to the CPM’s IPMC over the IPMB‐L. The IPMC then resets the CPM and the RTM payload.
The reset switch is a recessed button. To push it, use a pen, stylus, or other small pointed
object.
Table 3. Face plate connectors
Connector
Purpose and usage
Cable type
USB port
Provides USB 2.0 access to the CPM.
USB type A cable.
SAS connector
(two)
Extends disk arrays by connecting external hard disks to the
RTM. The RTM’s SAS/SATA controller can include external
disks in a RAID configuration. See
Chapter 3, Configuring a
Redundant Disk Array, on page 14
.
SFF 8470 SAS crossover cable.
RS-232 serial port Gives rear management access to the CPM.
Configure the external computer’s terminal emulator to 11200
Kbps, 8 bits, no parity, 1 stop bit, no flow control.
Console shielded serial cable
(RJ-45 to 9-pin D-shell, Radisys
order code ATCA-SERIAL-CBL).
The same cable is included in
shipments of the ATCA-2210
switch and control module.
SFP socket (two)
Supplies two full duplex 1 GbE SerDes connections to the
CPM's Ethernet controller.
a
To identify compatible SFP transceivers and install them into
the sockets, see
Installing SFPs on page 10
.
a
When used with a CPM, the rear ports are not enabled if the CPM front Ethernet ports are configured
to be used. See the ATCA-4500, ATCA-4550, ATCA-4555 CPM Reference to configure front or rear
port usage.
Straight or crossover double-
shielded Cat 5 Ethernet cable.