
36
MIM-1CE3(RT-MIM-1CE3-V2-H3)
The MIM-1CE3 is a 1-port channelized E3 interface module. It has the following features:
• In E3 mode, it transceives and processes high-speed data streams over the E3 channel, and
provides access to E3 data streams.
• In CE3 mode, it provides the low-speed access service at N × 64 kbps, where N is smaller than or
equal to 128.
NOTE:
• E3 represents the tertiary group rate of the E series in the TDM system, which is 34.368 Mbps.
• An E3 channel can be channelized into 16 E1 channels throu
h the demultiplex processes of E23 and
E12, with each E1 channel supporting both the E1 and CE1 operating modes. E23 indicates either
E2-to-E3 multiplex or E3-to-E2 demultiplex, and E12 indicates E1-to-E2 multiplex or E2-to-E1
demultiplex. E23 and E12 discussed here represent the demultiplex process.
Front panel
Figure 27 Front panel
(1) Carrier si
nal LED (LINK/ACT) (2) TX interface
(3) RX interface (4) Captive screw
(5) Loopback/
larm LED (LP/AL)
LEDs
Table 39 LED description
LED Status Descri
tion
LINK/ACT
Off No carrier signals are received.
On Carrier signals are received.
Flashing Data is being transmitted or received.
LP/AL
Off No loopback or alarms occur.
On The interface is in loopback state.
Flashing
A minimum of one alarm of the type of AIS, LFA, or RAI has
occurred.
• LFA—Loss of frame alignment.
• AIS—Alarm indication signal.
• RAI—Remote alarm indication.
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