Procedures
3-24 ATP-CNX-040-01 Rel. 1.3, Doc. Rev. 01.07
CNX System Administrator Guide
10
(cont’d)
T1/E1 attributes continued.
Step Action
Attribute Default Valid Values/Description
Switch Type
(continued)
For T1 Framing:
DMS 100
For E1 Framing:
ETSI
Descriptions of T1 Switch Types (
continued):
The following options are methods that enable
Robbed Bit Signaling (RBS) on the CNX:
FXO Loop Start - Foreign exchange office loop start
signaling.
FXO Ground Start - Foreign exchange office ground
start signaling.
FXS Loop Start - Foreign exchange subscriber loop
start signaling.
FXS Ground Start - Foreign exchange subscriber
ground start signaling.
E & M - Ear & mouth signaling
Descriptions of E1 Switch Types:
ETSI - Specifies the European Telecommunications
Standards Institute (ETSI)
switch; reflects the latest revision (TBR4).
Direction USER SIDE USER SIDE
NETWORK SIDE
Description: Specifies the location of the T1 ISDN
PRI connection.
Line Coding For T1 Framing:
AMI
For E1 Framing:
HDB3
For T1 Framing:
AMI
B8ZS
For E1 Framing:
HDB3
Line Framing For T1 Framing:
ESF
For E1 Framing:
CCS
For T1 Framing:
ESF
SF
For E1 Framing:
CCS
Loopback DISABLE DISABLE
LOCAL
REMOTE
