Parameter

Min

Typ

Max

Units

Transmitter

AMI Output Pulse Amplitudes

(Note 16)

E1, 75

Ω

(Note 17)

E1, 120

Ω

(Note 18)

T1, FCC Part 68

(Note 19)

T1, DSX-1

(Note 20)

2.14

2.7

2.7

2.4

2.37

3.0

3.0

3.0

2.6

3.3

3.3

3.6

V

V

V

V

E1 Zero (space) level (LEN2/1/0 = 0/0/0)

75

Ω application

(Note 17)

120

Ω application

(Note 18)

-0.237

-0.3

-

-

0.237

0.3

V

V

Recommended Output Load at TTIP and TRING

-

75

-

Ω

Jitter Added During Remote Loopback

(Note 21)

10Hz - 8kHz

8kHz - 40kHz

10Hz - 40kHz

Broad Band

-

-

-

-

0.005

0.008

0.010

0.015

0.02

0.025

0.025

0.05

UI

UI

UI

UI

Power in 2kHz band about 772kHz

(Notes 12, 16)

12.6

15

17.9

dBm

Power in 2kHz band about 1.544MHz

(Notes 12, 16)

(referenced to power in 2kHz band at 772kHz)

-29

-38

-

dB

Positive to Negative Pulse Imbalance

(Notes 12, 16)

T1, DSX-1

E1 amplitude at center of pulse

E1 pulse width at 50% of nominal amplitude

-

-5

-5

0.2

-

-

0.5

5

5

dB

%

%

Transmitter Return Loss

(Notes 12, 16, 22)

51 kHz to 102 kHz

102 kHz to 2.048 MHz

2.048 MHz to 3.072 MHz

8

14

10

-

-

-

-

-

-

dB

dB

dB

Transmitter Short Circuit Current

(Notes 12, 23)

-

-

50

mA RMS

Notes: 16. Using a 0.47

μF capacitor in series with the primary of a transformer recommended

in the Applications Section.

17. Amplitude measured at the transformer (CS61535A-1:1 or 1:1.26) output across a

75

Ω load for line length setting LEN2/1/0 = 0/0/0.

18. Amplitude measured at the transformer (CS61535A-1:1.26) output across a

120

Ω load for line length setting LEN2/1/0 = 0/0/0.

19. Amplitude measured at the transformer (CS61535A-1:1.15) output across a

100

Ω load for line length setting LEN2/1/0 = 0/1/0.

20. Amplitude measured across a 100

Ω load at the DSX-1 cross-connect for line length settings

LEN2/1/0 = 0/1/1, 1/0/0, 1/0/1, 1/1/0 and 1/1/1 after the length of #22 AWG ABAM equivalent cable

specified in Table 3. The CS61535A requires a 1:1.15 transformer.

21. Input signal to RTIP/RRING is jitter free. Values will reduce slightly if jitter free clock is input to TCLK.

and a 1:1 transformer terminated with a 75

Ω load, or a 1:1.26 transformer terminated with a

120

Ω load.

23. Measured broadband through a 0.5

Ω resistor across the secondary of a 1:1.26 transformer

during the transmission of an all ones data pattern for LEN2/1/0 = 0/0/0.

CS61535A

4

DS40F3

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