Specifications

3-78 Reference Guide

Model No.

Running Head

CPU Card Redundancy System Configuration and Operation

Figure 3-61 shows a System Main Screen with redundant CPU cards. The card in slot C1 is

active, and the card in slot C2 is redundant. To switch operation to the redundant CPU card,

press “

” to invoke the

cpusWtch

command from the bottom highlighted line of this screen.

The system prompts you with a yes/no confirmation prompt, as shown.

Figure 3-62. Manually Switching to a Redundant CPU

At the prompt, press “

”. The CPU card in slot C2 is now active, and the CPU card in C1 is

redundant (

RDNT

status), as shown in Figure 3-63. These states remain in effect on both cards

until you manually switch back to the CPU card in slot C1.

Node_1 | | 12-31-99 14:33

Slot Installed Status

C1 CPU RCON

C2 CPU XCON RDNT

P1/U1 ADPCM-64

P2/U2 ADPCM-64

P3/U3 E&M 2Wx8-6

P4/U4 FXS 2Wx8-9

W1/U5 FXO 2Wx8-9

W2/U6 CSU+CSU

W3/U7 CSU+CSU

W4/U8 CEPT+CEPT

IF INTF+modem

S1 PS1

S2 PS2

S3 Ringer

OK to switch to redundant CPU (y/n)?