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

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