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8900-A2-GB20-50 August 2005 A-1

Connector Pin Assignments

8620 and 8820 Telco Connector Pinouts

For 24-port line cards, the Telco 50-pin connectors

on the back of the 8620 BLC chassis (numbered

1–3) and the 8820 BLC chassis (numbered 1–18)

provide the 2-wire loop interface from each DSL

port to either the POTS splitter shelf or, if the loop

is not being shared with POTS, then to the Main

Distribution Frame (MDF). The following table lists

the pin assignments for each of these interfaces.

Pins 25 and 50 are not used.

Port

Connector Pins

(Ring, Tip) Port

Connector Pins

(Ring, Tip)

Port 1 1, 26 Port 13 13, 38

Port 2 2, 27 Port 14 14, 39

Port 3 3, 28 Port 15 15, 40

Port 4 4, 29 Port 16 16, 41

Port 5 5, 30 Port 17 17, 42

Port 6 6, 31 Port 18 18, 43

Port 7 7, 32 Port 19 19, 44

Port 8 8, 33 Port 20 20, 45

Port 9 9, 34 Port 21 21, 46

Port 10 10, 35 Port 22 22, 47

Port 11 11, 36 Port 23 23, 48

Port 12 12, 37 Port 24 24, 49

00-16714

Number 50

Number 1

1 2 ... 38 39 40 41 42 43 44 45 46 47 48 49 50

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Zhone 8985 Guida Utente Pagina 43