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Interface cables and connection methods
For more information about E1 interface cables, see

SIC-1VT1

Introduction
The 1-port T1 voice interface module (SIC-1VT1) handles dense voice signals in a VoIP system. It
provides a CT1/PRI/R2 port that can process a maximum of 23 channels of voice signals.
Interface specifications
Table 47 Interface specifications
Item
Connector
Number of connector
Interface standard
Interface rate
Cable type
Operating mode
Services
Interface LEDs
Figure 33 SIC-1VT1 panel
Table 48 LED description
LED
LINK/ACT
LP/AL
Note:
AIS = Alarm indication signal; LFA = loss of frame alignment; RAI = Remote alarm indication
Specification
RJ-45
1
G.703/T1.102
G.704
AT&T TR 54016
AT&T TR 62411
ANSI T1.403
1.544 Mbps
T1 cable (100-ohm standard shielded cable)
CT1
ISDN PRI
Backup
Terminal access
ISDN
Description
On means carrier signal has been received.
Flashing means data is being transmitted or received.
Off means no carrier signal has been received.
On means the interface is in a loopback.
Flashing means an AIS, LFA, or RAI alarm signal is present.
Off means neither loopback nor alarm is present.
27
"E1
interface."

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