NPE-G1

Device Type

Expansion module - 4 ports

Interfaces

4 x network - T1 - 4

Additional Information

Key Features:

Channelized T1, fractional T1, full rate T1, and ISDN PRI supported

Internal or network clocking selectable on each port

Line and payload loopback capabilities

Full bit error rate testing capabilities on any T1

Alarm detection: alarm indication

Support for Frame Relay, Point-to-Point Protocol (PPP), HDLC, SMDS DXI, ISDN PRI, X.25 connections

T1/DSX1 version features:

D4 (Super Frame [SF]) and Extended Superframe (ESF) framing

Alternate mark inversion (AMI) or binary 8-zero substitution (B8ZS) line encoding

Internal and loop (recovered from network) clocking

Full FDL support and FDL performance monitoring, according to configurable standard: ANSI T1.403 or AT&T TR 54016

Selectable DSX-1 cable length in increments from 0 to 655 feet

Selectable DS1 CSU line build-out: 0, -7.5, -15, and -22.5 dB

Selectable DS1 CSU receiver gain: 26 or 36 dB

DS1 line protection per UL1459/1950, FCC part 68

Cabling Type

ISDN PRI

Network / Transport Protocol

TCP/IP, IPX/SPX, X.25