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Ports
Ethernet
Port 1 & Port 2
Craft Port
78-19034-01
Figure 4
Rear View
Power Supply
Unit
Earth
DISCONNECT MAINS SUPPLY BEFORE REMOVING LID
110 -230 VAC
60 - 50Hz
380mA
FUSE
T2A H 250V
Fuse
The 10/100 Base-T Port gets used to connect to the IP Network to allow voice
packets to be transmitted and received and for a PC that is using a Web browser
to communicate with the Cisco VG30D Voice Gateway configuration and
management interface.
Each port includes three connectors. The two BNC connectors, which are 75-ohm
unbalanced, are marked Rx and Tx. The RJ45 connector is 120-ohm balanced.
The Impedance Switch must be set to the correct impedance. Be aware that
parameters for each port are configurable by using the Gateway Management
Interface on a Web browser.
The Craft Port primarily enables a serial connection to a dumb terminal or a
terminal emulation application on a PC that is running RS-232 at 9600 baud, 8 bit,
1 stop bit, and no parity.
Serial
Number
NO USER SERVICEABLE PARTS
Serial No. 3 2 7 7 1 9 5
Ethernet
10/100 Base-T
Factory
POST
Impedance
Switch
Ethernet
POST
Switch
Port
Cisco VG30D Voice Gateway Quick Start Guide
Back Panel Equipment
BNC Connectors
(75 Ohm only)
Alarm Port
Select
RJ45
BNC
RJ45
BNC
Factory
Craft
Craft
Switch
RJ45 Connectors
(120 Ohm only)
Impedance
Switch
Craft Port
Craft Port
(RS232)
7
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