Verilink DCSU 2911 (880-502647-001) Product Manual Instrukcja Użytkownika Pobierz pdf (Strona 13)

DCSU 2911 Dual Channel Service Unit

Verilink DCSU 2911 User Manual

1-5

Specifications

The following specifications apply to the DCSU 2911 module.

Table 1-1 DCSU Specifications

Table 1-2 Connector Interface Module Specifications

T1 (CSU) CEPT E1 (NTE)

Number of Ports

4 per module (2 network, 2 data) 4 per module (2 network, 2 data)

Transmission (Line)

Rate

1.544 Mbit/s, Rx:

200 ppm;

Tx:

2.048 Mbit/s

50 ppm

Line Code

AMI, B8ZS HDB3

Framing Format

Unframed, SF, and ESF with FDL CRC-4, CAS, FAS

CPE Impedance

100

Ω

5% at 772 KHz test CIM 29001 LP: 75

Ω

CIM 29002 LP: 120

Ω

5% at

120 MHz

Input Level

CIM 29003

: 3.0 V

0.3 V base-to-

peak, attenuated by 0 to 27.5 dB

3.0 V

0.3 V base-to-peak,

attenuated by 0 to 27.5 dB

Output Level

3.0 V

0.3 V base-to-peak or

DSX-1 into 100

Ω

at 0 dB LBO

3.0 V

0.3 V base-to-peak into

120

Ω

Output LBO

(selectable)

0, 7.5, 15, or 22.5 dB (0 to 3000

feet)

N/A

Equalization

CIM 29003 (in feet)

0-133

133-266

266-399

399-533

533-655

N/A

Loopbacks

Line, Payload, Local Line, Payload, Local

Timing

Modes: Network, External, and

Internal

External System Port T1—8-pin DIN

Modes: Network, External, and

Internal

External System Port E1—BNC,

8-pin DIN

CIM Module Electrical Interface Physical Interface Bandwidth Capacity

CIM 29001 LP

E1 BNC (female) 75

Ω

2.048 Mbit/s

CIM 29002 LP

E1 RJ-48 (8-pin) 120

Ω

2.048 Mbit/s

CIM 29003

T1 DS-1/T1 DSX-1 RJ-48 (8-pin) 100

Ω

1.544 Mbit/s

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 78 79

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