Verilink DCSU 2911 (880-502647-001) Product Manual Manual de usuario descargar pdf (Pagina 11)

DCSU 2911 Dual Channel Service Unit

Verilink DCSU 2911 User Manual

1-3

Connector Interface Modules

Rear connector modules or connecter interface modules (CIMs)

provide connections to the network and various types of customer-

provided equipment (CPE).

They also provide the following connections:

•

Alarm relay

These contacts can be wired to an external alarm equipment.

The connector pins provide output as a normally open (NO)

contact, a normally closed (NC) contact, and a common (COM)

lead contact.

Loss of carrier conditions activate the relay contacts. For more

information on alarms, see Chapter 4, Troubleshooting.

•

External timing source input

The 8-pin mini-DIN connector receives clock from an external

timing device.

T1 CIM

One T1 DS-1/DSX-1 I/O CIM is available:

•

CIM 29003 DS-1/DSX-1 RJ-45 (100

Ω

) (Fig. 1-3)

Figure 1-3 CIM 29003 DS-1/DSX-1 RJ-45 (100

Ω

)

E1 CIMs

Two E1 Connector Interface Modules (CIMs) are available:

•

E1 CIM 29001 LP BNC (75

Ω

) (Fig. 1-4)

•

E1 CIM 29002 LP RJ-45 (120

Ω

) (Fig. 1-5)

Figure 1-4 CIM 29001

BNC E1 (75

Ω

)

ALARM

RELAY

NO COM NC

311-

XXXXX

-100

INPUT

EXT TIMING

PORT4 PORT3

PORT 2 PORT 1

CIM

29003

DSX-1

DS-1

311-XXXXX-301

RELAY

NO COM NC

CEPT E1

RX TX

NET 2

NET 1

ALARM

CIM

29001 LP

RX TX

CPE 2

CPE 1

INPUT

EXT TIMING

BNC female connectors

Cutout

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 78 79

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