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Am2-s7 and am2-s7e specifications, Am2-dx and am2-dxe specifications, Indicators and alarms – Atec Ameritec-AM2-DE-DX-A-P-D User Manual

Page 8: Signaling systems

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AM2-S7 System

The AM2-S7 Call Generator provides the interface

for four 1.544 Mbps CCS T1 or one to four 2.048
Mbps CCS E1 trunks (AM2-S7e).

AM2-S7 and AM2-S7e Specifications

Signaling System

The AM2-DX Primary Rate ISDN Call Generator

provides the interface for one to four 1.544 Mbps CCS
T1 or one to four 2.048 Mbps CCS E1 trunks
(AM2-DXe).

AM2-DX and AM2-DXe Specifications

AM2-DXe System

AM2-DX System

Signaling Systems

AM2-S7e System

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Indicators and Alarms

Front Panel Indicators:

One per channel or time slot

Channel Status Display:
Dark: Idle line
Green: Originate call
Yellow: Terminate call
Red: Error

Layer 1 Indicators:
PCM Sync (Green: normal, red: out-of-sync)
Frame Error, CRC Error, Slip (dark: normal,
red: error)

AM2-DX Alarm Indicator:
Dark: Normal
Red: Indicates red, yellow or blue alarm
received

AM2-DXe: Provides status of TS16 (dark:
normal, yellow: distant multiframe alarm,
red: signal all ones alarm

Capacity:

Signaling links:

Eight 56/64K SS7 Signaling Links per unit.
Modular Interface options include:
Two x T1 1.544 Mbps (AM2-S7)
Two x E1 2.048 Mbps (AM2-S7e)
Eight x V.35 56/64 kBps
Eight x DSOA 56 kBps

Fully associated links using time slots in the
voice/data circuits are supported

AM2-S7 Voice & Data Circuits:

Four 1.544 Mbps PCM 24 channel
T1 CCS trunks

AMI and B8Zs Line Coding

D4 or ESF framing

AM2-S7e Voice & Data Circuits:

Four 2.048 Mbps PCM-30/PCM-31
E1 CCS trunks

HDB3 line coding

CRC4 framing

AM2-S7 Interface

1.544 Mbps Signaling Interface option with

Option:

8 SS7 signaling links. Bantam 100 ohm,
balanced input

1.544 Mbps Signaling Interface option with
8 SS7 signaling links. Bantam 120 ohm,
balanced input

V.35 Signaling Interface Option with 8 SS7
signaling links on 8 V.35 Interfaces, T1,
100 ohm, unbalanced input

V.35 Signaling Interface Option with 8 SS7
signaling links on 8 V.35 Interfaces, T1,
120 ohm, unbalanced input

DSOA Signaling Interface Option with 8 SS7
signaling links on 8 DSOA Interface. T1,
100 ohm, balanced input

DSOA Signaling Interface Option with 8 SS7
signaling links on 8 DSOA Interface. T1,
120 ohm, balanced input

Call Volume:

AM2-S7: 48,000 confirmed calls per hour
(4 spans)

Signaling Protocols

Bellcore Q.702 at level 1

AM2-S7

Bellcore Q.703 at level 2

Bellcore Q.704 at level 3

Bellcore Q.761 to Q.766 ISUP signaling

Signaling Systems

Capacity:

AM2-S7e Voice & Data Circuits:

Four 2.048 Mbps PCM-30/PCM-31
E1 CCS trunks

HDB3 line coding

CRC4 framing

Modular interface options:

Balanced 100 ohm or 120 ohm, Bantam

Unbalanced 75 ohm, BNC

AM2-S7e Interface

2.048 Mbps Signaling Interface option with

Option:

8 SS7 signaling links. BNC 75 ohm, balanced
input

V.35 Signaling Interface option with
8 SS7 signaling links on 8 V.35 Interface.
E1, 75 ohm, balanced input

Call Volume:

AM2S-S7e: 60,000 confirmed calls per hour
(4 spans)

Signaling Protocols

VN4

AM2-S7e:

CCITT Q.702 at level 1

CCITT Q.703 at level 2

CCITT Q.704 at level 3

CCITT Q.761 to Q.766 ISUP signaling

BTNR 167

Regional TUP varieties

Indicators and Alarms

Front Panel Indicators:

One per channel or time slot

Channel Status Display:
Dark: Idle line
Green: Originate call
Yellow: Terminate call
Red: Error

Layer 1 Indicators: PCM Sync (green: normal,
red: out-of-sync) Frame Error, CRC Error, Slip
(dark: normal, red: Error)

AM2-S7 Alarm Indicator:
Dark: Normal
Red: Indicates red, yellow or blue alarm
received

AM2-S7e: Provides status of TS16 (dark:
normal, yellow: distant multiframe alarm,
red: Signal all ones alarm

Capacity:

AM2-DX:

Four 1.544 Mbps PCM 24 channel
T1 CCS trunks

24 timeslots (23B+D) per trunk

AM1 and B8ZS Line Coding

Menu selectable D3/D4 Framing or
ESF formats

Interface Options:

Bantam 100 ohm balanced input connectors

Bantam 120 ohm balanced input connectors

Call Volume:

AM2-DX: 48,000 confirmed calls per hour
(4 spans)

Capacity:

AM2-DXe:

One to four 2.048 Mbps PCM 32 channel
E1 CCS trunks

32 timeslots (30B+D) per trunk

HDB3 Framing

Menu selectable CRC-4 on/off

Interface Options:

Triple banana 120 ohm, balanced input connectors

BNC 75 ohm, unbalanced input connectors

Siemens 1, 6/5, 6 (DIN 47295), 75 ohm,
unbalanced input connector

Bantam 120 ohm balanced input connectors

Call Volume:

AM2-DXe: 60,000 confirmed calls per hour
(4 spans)

Signaling System Layer 1: •

Complies with ANSI T1.408

Complies with ITU-T (CCITT) 1.412 and 1.431

Signaling System Layer 2: •

Q.921/LAPD and LAPB (X.25) Signaling

Signaling System Layer 3:

Q.931 and equivalent standards

Up to 8 different L3 protocols may be down
loaded to unit

Menu selection of L3 protocol for each B- and
D-channel

D- or signaling channel may be assigned to any
physical time slot

Various international protocols supported

Additional protocols can be created and
downloaded from Workstation or PC

Packet Data:

X.31 Case A and Case B

BPS: B-channel X.25 packet data

DPS: D-channel X.25 packet data

Circuit Switched: CSD:

Circuit switched data (BERT)

CSV: Circuit switched voice