Bri card bri card specifications – Zhone Technologies 900 User Manual

Page 159

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Data Cards

IMACS System Release 5.1.6

5-45

BRI Card

BRI Card Specifications

DTE Data Rate
Async
Synchronous

1.2k, up to 38.4k
1.2k, up to 126k

Clock Mode

Internal

Data Carrier Detect

On, Off, RTS

Data Carrier Detect Off Delay

5, 10, 15 up to 80 bits

Data Set Ready

On, Off

Clear To Send

On, Off, Local Ready to send

Asynchronous Baud Rate

Offset, Exact

Ring Indication

On, Off

NTU Status

(Items monitored on the remote NTU)
Alarm, CTS, DSR, CDC, RTS, DTR, Receive FIFO Error, Transmit
FIFO Error, Line Transceiver Type

Procedural Characteristics

Data Protocol

Transparent up to 64 kbps or 128 kbps

D Channel collision arbitration

(Models 8262 only) As per 1.430 (D channel bit echo)

Sealing Current
Amperage
Control

(Models 8261 only)
Jumper selectable 7.5mA or 15mA (requires -48VDC power)
Software selectable options for start time, duration, repeat time

Multidrop Capability

(Model 8262 only) Max. 2

Phantom Power

(Model 8262 NT mode only)

Wattage

Jumper selectable: max. 4W per port

Loopbacks

Local Loopbacks
Direction
Channel Selection

Off, Toward TA or Toward Network
B1, B2 or B1+B2, B2+D

Remote Loopbacks - Generation
Direction

Toward TA or toward Network (with options of B1, B2 or B1+B2)
Loopback Types - DDS T - DDS loopback on terminal side of the line
DD M - DDS loopback on the network side of the line
V.54 T - V.54 loopback towards the terminal
V.54 N - V.54 loopback towards the network
ft1T - Fractional T1 loopback toward the terminal
ft1N - Fractional T1 loopback towards the network
EOC - Embedded Operation Channel loopback towards the U interface

Remote -Detection

Only for EOC (Embedded Operation Channel)

Diagnostics

BERT
Test Patterns

Direction

Channel

off, mark, space, 1:1, 1:7, p_1, p_0, p_1:1, p_1:7 (Note: P stands for
Packet)
TA (towards Terminal Adapter or U Interface), Network (towards
network or WAN)
B1 (BERT on B channel 1), B2 (BERT on B channel 2), 128K (BERT
on 128K pipe), D (BERT on D-channel)

Test Monitoring

Synch (synchronization of BERT with itself or remote loopback or test
equipment), Bit Error, Errored Seconds, Severely Errored Seconds,
Consecutive Severely Errored Seconds, Out of Synchronization, Bit
Error Rate.

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