Cisco Systems IPMUX-1E Framer will be configured to T1-ESF mode. Operation, Default T1-ESF

IPmux-1/1EInstallation and Operation ManualAppendix E Configuration Menus

Table E-13. T1 Configuration Parameters (Cont.)

Parameter	Possible Values	Remarks
Loopback State	Internal	Data received from the IP network side is looped back
		to the network transmit line. An unframed all ‘1’ code
		(AIS) is transmitted in the T1 Tx path toward the PBX.
		Incoming data from the PBX is ignored.
	External	Data received from the PBX at the receive T1 line is
		looped back to the T1 Tx path (toward the same PBX),
		and continues its way to the IP network. Data coming
		from the IP network is ignored.
	Disable	No loopback – Regular operation
		Default: Disable
Line Type		Framing mode and operation mode for each
		configuration:
	T1-D4	Framer is configured to T1-D4 mode. Operation mode
		is set by Signaling mode field #6 to either Fractional or
		Fractional with CAS (see Chapter 1).
	T1-ESF	Framer will be configured to T1-ESF mode. Operation
		mode will be set by signaling mode field #6 to either
		Fractional or Fractional with CAS (see Chapter 1).
	Unframed	Framer will be configured to pass through mode and
		the operation mode will be set to unframed (see
		Chapter 1).
		Default: T1-ESF
Line Code	B7ZS, B8ZS, AMI	Default: B8ZS
Line Mode	DSU, CSU	Default: DSU
Line Length / Tx	DSU: 0-133 ft, 134-266 ft,	Default: 0 to 133 ft
Gain	267-399 ft, 400-533 ft,
	534-655 ft
	CSU: 0 dB, -7.5 dB,
	-15 dB, -22.5 dB
		Default: 0 dB
Restore Time	1 second,	Selects the T1 red alarm recovery time
	10 seconds	Default: 1 second
Idle Code	00 to FF	Inserted into unused timeslots by IPmux-1 at the
		transmit path towards T1 equipment
		Note: This field will not appear if “unframed” is
		selected in the Line Type field.
		Default: 7E

IPmux-1 E1/T1 Configuration E-21