Zhone 3921Plus Manuel d'installation télécharger pdf (Page 11)

Connecting Model 3920

Plus

Modems with Supplied Cables

Figure 3 shows how Model 3920Plus modems are connected to certain TELCO jack types using the appropriate

cables.

8-POSITION,

8-CONDUCTOR

PLUG FOR

LEASED-LINE

NETWORK

OPERATION

6-POSITION,

4-CONDUCTOR

PLUG FOR

PERMISSIVE

DIAL

NETWORK

OPERATION

DB-25-P

CONNECTOR

FOR DATA

TERMINAL

EQUIPMENT

OPERATION

SUB-MINIATURE,

4-CONDUCTOR

PLUG FOR

NETWORK

MANAGEMENT

SYSTEM

OPERATION

POWER

SUPPLY

DTE 2 DTE 3 DTE 4

DTE 1LEASED DIAL NMS PWR ON OFF

POWER

CORD

NOTE: THE DIAL JACK IS ALSO USED

FOR 2-WIRE LEASED BACKUP.

Figure 3. Model 3920

Plus

Rear Panel and Power Supply

DTE Connection

Use the following procedures to connect an EIA-232-D cable from the modem to a DTE:

1. Make sure the modem’s rear panel power switch is OFF.

2. Connect the DB-25-P (plug) connector on the cable to the DB-25-S (socket) connector (Figure 3) on the

modem’s rear panel. Use a small screwdriver to secure the cable to the modem.

3. Connect the DB-25-P connector on the cable to the DB-25-S connector on the DTE. Use a small

screwdriver to secure the cable to the DTE.

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Zhone 3921Plus Manuel d'installation Page 11

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