ADC Broadband System 用户手册

ADCP-61-471 • Issue 4 • June 2000 • Section 2: Operation and Maintenance

2-244
© 2000, ADC Telecommunications, Inc.

This procedure provides instructions for daisy-chaining one TBOS link to several

chassis configured for compressed TBOS. Up to four chassis can be connected in this manner.

1) Assign a different address in the range 0 through 7 to each of the compressed displays

available on the link.

 Serial Port Configuration

2) Make sure each chassis in the chain has an MPU installed.

 MPU Installation and Testing

 MPU Replacement and Testing

3) Remove the termination strap from the Berg jumper pins labeled "JD 13" from each MPU's

PC board except the last one in the chain, as shown in 

4) Make connections between chassis: from each Port 1 Tx

–

 to Tx

–

; from each Port 1 Tx+ to

Tx+; from each Port 1 Rx

–

 to Rx

–

; and from each Port 1 Rx+ to Rx+, as shown in

under Related Publications at the beginning of this manual, for wiring instructions.