This is a shielded rack mount 24-port patch panel, 2RU, accessory component for the Cisco PID
SPA-24CHT1-CE-ATM. You can view the image of patch panel with the DCC2484/25T1-S part number at:
http://www.occfiber.com/main/index.php?m=1&p=2&s=Y&l=en&it=54&i=193
4-Port Serial Interface SPA Overview
The following sections describe the 4-Port Serial Interface SPA:
4-Port Serial Interface SPA LEDs
The 4-Port Serial Interface SPA has three types of LEDs: two LEDs for each port on the SPA, and one STATUS
LED, as shown in the following figure:
Figure 54: 4-Port Serial Interface SPA Faceplate
STATUS LED3ACTIVE LED1
CD/LB (Carrier
Detect/Loopback) LED
2
The following table describes the 4-Port Serial Interface SPA LEDs.
Table 41: 4-Port Serial Interface LEDs
FunctionStateColorLED Label
The SPA port is not enabled by the
field-programmable gate array (FPGA).
The SPA port does not have any frame activity on
RX/TX Layer 1.
OffOffACTIVE
The SPA port is enabled by the FPGA, and it has
Rx/Tx Layer 1 frame activity.
BlinkingGreen
The SPA port is not enabled.
OffOffCD/LB
The SPA port is enabled, and DTR, DSR, RTS, CTS,
or DCD is active.
OnGreen
The SPA port is enabled, and local loopback or
internal loopback is active.
OnAmber
Cisco ASR 9000 Series Aggregation Services Router SIP and SPA Hardware Installation Guide
66
Overview: Cisco ASR 9000 Series Router Shared Port Adapters
4-Port Serial Interface SPA Overview