HPE FlexNetwork MSR Series Manual page 129

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In CT3 mode, provides the subscribers with N × 64 kbps or N × 56 kbps low-speed access,
where N is smaller than or equal to 128.
NOTE:
T3 represents the tertiary group rate (44.736 Mbps) of T system in the TDM system. Through T23
and T12A demultiplexing, a T3 channel can be channelized into 28 T1 lines. Each line supports the
operating mode of CT1. T23 means either T2-to-T3 multiplex or T3-to-T2 demultiplex, and T12
means T1-to-T2 multiplex or T2-to-T1 demultiplex. "T23" and "T12" discussed here represent the
demultiplex process.
Interface specifications
Table 199 Interface specifications
Item
Connector
Number of connectors
Interface standard
Interface rate
Cable
Operating mode
Supported service
Interface LEDs
Figure 146 FIC-1CT3 panel
Table 200 LED description
LED
LINK/ACT
LP/AL
Note:
AIS = Alarm indication signal; LFA = loss of frame alignment; RAI = Remote alarm indication
Description
•
On means the carrier signal has been received.
•
Off means no carrier signal has been received.
•
Flashing means data is being transmitted or/and received.
•
On means the interface is in a loopback.
•
Flashing means an AIS, LFA, or RAI alarm signal is present.
•
Off means no loopback or alarm is present.
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Specification
SMB
2
•
G.703
•
G.704
•
G.752
•
AT&T TR 54014
•
AT&T TR 62415
•
ANSI T1.107
44.736 Mbps
E3/T3 cable (75-ohm coaxial cable)
T3
CT3
T3 leased line