Multitech PROXYSERVER MTPSR1-120 User's Guide download pdf (Page 13)

Chapter 2 - Installation

V.35 Shunt Procedure

If you are using an external DCE device on the WAN RS232/V.35 port, and the connection will be

a V.35 connection, the internal shunt must be moved from the RS232C (default) position prior to

cabling and power-up. The following steps detail the procedures for switching the shunt.

Step Procedure

1 Ensure that the external power supply is disconnected from the Firewall.

2 Turn the Firewall over and remove the cabinet mounting screw from the chassis.

Front Panel

Back Panel

Cabinet Mounting Screw

Figure 2-2. Cabinet Mounting Screw

3 Being sure to support the back panel, turn the Firewall right-side-up, tilt the back panel

down, and slide the circuit board out of the chassis.

4 Place the unit on a flat, grounded surface with the LED’s facing you.

5 Gently pry the shunt out of the RS232 position, and insert it in the V.35 position.

V.35 Shunt Position

RS232C Shunt Position

Back Panel Connectors

RAM Sockets

LEDs

Figure 2-3. Shunt Positions

6 Align the board with the guide slots on the inside of the chassis and carefully slide the

board back into the chassis.

7 Being sure to support the back panel, turn the Firewall over again, and replace the

cabinet mounting screw.

8 Turn the Firewall right-side-up again and proceed to the next section to connect the

cables.

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Multitech PROXYSERVER MTPSR1-120 User's Guide Page 13