AAC / CellSMART E1 and Tri V.35/EIA-530 Physical Layer Module

Common Requirements (V.35/EIA-530)
Line rate, internal clock

56 kbps to 8.192 Mbps, user selectable

Maximum common mode input voltage

10 V

Maximum differential input voltage

12 V

Balanced Signals (V.35/EIA-530)
Transmit and Receive Data, Clear to Send, Received Line Signal Detector, Transmit and Receive Signal Element Timing
DC line offset

0.4 V max

Input sensitivity

< 200 mV

Output leakage current Iol

< 100 micro A

Output short circuit current

< 150 mA

Output voltage Vo (EIA-530)

2 V < Vo < 6 V

Output voltage Vo (V.35)

1.10 Vpp +/- 20%

Source impedance

< 100 ohms

Unbalanced Signals (V.35/EIA-530)
DCE Ready, DTE Ready, Local Loopback, Remote Loopback, Test Mode, Ring Indicator
Input sensitivity

< 200 mV

Output drive

> 90% of Vo into 450 ohms

Standards Compliance (V.35/EIA-530)
Meets applicable requirements of the following standards/generic requirements

ANSI/EIA-530-1987, EIA Standard, "High Speed 25-Position Interface for Data Terminal Equipment and Data Circuit-Terminating Equipment, " March 1987.

CCITT V.35 Red Book 1985, "Data Communication over the Telephone Network Recommendations for the V Series."

Common Requirements (E1)
Fractional support

N x 64

Framing format

Conforms to ITU-T Recommendation G.704.

Time slot 16 Multiframing may be enabled or disabled.

Interface connector

DA15S

Line code

HDB3

Line rate, internal clock

2.048 Mbps +/- 20 ppm

Input Requirements (E1)
Jitter tolerance

Conforms to ITU-T Recommendation G.823 (03/93), Section 3.1.1, Table 2

Line rate tolerance

2.048 Mbps +/- 50 ppm

Signal level

+2 to -25 dBm

Output Requirements (E1)
Jitter generation

Conforms to ITU-T Recommendation G.823 (03/93), Section 2.1, Table 1.

Output level

2.37 volts into 75 ohms

3.0 volts into 120 ohms

Pulse shape

Conforms to ITU-T Recommendation G.703 (1991), Section 6.2, Figure 15.

Standards Compliance (E1)
Meets applicable requirements of the following standards/generic requirements

CCITT G.703-1991, "General Aspects of Digital Transmission Systems, Terminal Equipments--Physical/Electrical Characteristics of Hierarchical Digital Interfaces"

CCITT G.704-1991, "General Aspects of Digital Transmission Systems, Terminal Equipments--Synchronous Frame Structures used at Primary and Secondary Hierarchical Levels"

CCITT G.706-1991, "General Aspects of Digital Transmission Systems, Terminal Equipments--Frame Alignment and Cyclic Redundancy Check (CRC) Procedures relating to Basic Frame Structures Defined in Recommendation G.704"

ITU-T G.804-1993, "Digital Networks--ATM Cell Mapping into Plesiochronous Digital Hierarchy (PDH), " November 1993.

ITU-T G.823-1993, "Digital Networks--The Control of Jitter and Wander within Digital Networks which are Based on the 2048 kbit/s Hierarchy, " March 1993.

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