1-Port T1/E1 Mini-Physical Interface Module Network Interface Specifications

The 1-Port T1/E1 Mini-Physical Interface Module (Mini-PIM) has the network interface specifications given in Table 37.

Table 37: 1-Port T1/E1 Mini-PIM Network Interface Specifications

Specification	T1 Specification	E1 Specifications
Network interface specifications
Transmit bit rate	1.544 Mbps	2.048 Mbps
Receive bit rate	1.544 Mbps	2.048 Mbps
Line encoding	AMI/B8ZS	HDB3
Mode	Framed Clear Channel	Framed Clear Channel, Unframed Clear Channel
Fractional Framing	Superframe (D4/SF), Extended Superframe (ESF)	G704 without CRC4 Unframed
HDLC features
N x 64 Kbps or N x 56 Kbps, nonchannelized data rates	(T1:N=1 to 24)	(E1:N=1 to 31)
CRC	16/32	16/32
Shared Flag	Supported	Supported
Idle flag/fill	Supported	Supported
Counters:	Runts, Giants, FCS, Error, Abort Error, Align Error	Runts, Giants, FCS, Error, Abort Error, Align Error