ADTRAN SLC-5 User Manual download pdf (Page 4)

Section 61102040L4-5, Issue 2 61102040L4-5B

NOTE

When the U-BR1TE III is optioned for B1 or B2,

the SLC-2000 slot must be provisioned for D

only. If the U-BR1TE III is optioned for 2B,

then the SLC-2000 slot must be provisioned for

B1+D.

Physical Requirements

The U-BR1TE III occupies one physical slot in the

SLC-5 or SLC-2000 channel bank. The backplane pin

assignments are illustrated in Figure 3.

Interface Requirements

The U-BR1TE III unit includes two interfaces. The

loop-side interface is an ISDN U-interface which is

used to deliver Basic Rate service. The carrier-side

interface is a SLC-5 or SLC-2000 channel bank

interface which is used to insert data into the 1.544

Mbps T1 stream. Only the polarity insensitive Tip

and Ring leads are used in the cross-connection.

Switch Option Settings

See Figure 1 and Figure 4 for SW1 and SW2 location.

The options for SW1 and SW2 are described in

Table 2.

Figure 3. Backplane Pin Assignments

25 50

24 49

23 48

22 47

21 46

20 45

19 44

18 43

17 42

16 41

15 40

14 39

13 38

12 37

11 36

10 35

934

833

732

631

530

429

328

227

126

+5 S

-5 V

NSYNC

CTPCM

CRPCM

NPE

4 MHz

NP0

MSG

NMP

NMQ

64 KHz

RING *

TIP *

-48 V

+5R

GND

DCU

GND

NSR

DCU

8 KHz

GND

CHTR

CHTT

LPTR

LPTT

FRGRD

+5 S

*2B1Q Signal Terminal

Figure 4. SW1 and SW2 Labeling

ZBS ENA

PWR

234

ZBS

DIS

SW1

SW2

ZBS ENA

PWR

234

ZBS

DIS

LUNT

(COT)

TANDEM

LULT

(RT)

ADJ

LUNT

(COT)

TANDEM

LULT

(RT)

ADJ

1 2 3 4 5 6 7 8 9 ... 13 14

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