Lucent Technologies MERLIN LEGEND Release 5.0 Maintenance And Troubleshooting Manual page 89

MERLIN LEGEND Communications System Release 5.0
Maintenance and Troubleshooting 555-650-140
Telephone Problems
System Requirements for Touch-Tone Receivers
Table 3-4 estimates the total number of TTRs required in the system, based on
call volume and whether the system uses account codes. The call volume in this
table includes all calls originating from single-line telephones, calls on tie lines,
incoming remote access and DID calls, and calls routed to the voice messaging
system.
Table 3-4. System Requirement for TTRs
Calls/Hour
110
180
350
420
610
710
The following modules supply TTRs for the MERLIN LEGEND Communications
System.
Table 3-5. Modules with TTRs
Module
008 OPT
012
016
400 GS/LS
400
800 DID
800 LS-ID
No Account Codes Used
2
4
4
6
6
8
No. of TTRs
2
2
4
4
4
2
2
June 1997
Page 3-11
Account Codes Used
4
4
4
8
6
8
Issue 1