Avaya 6211 Guia Do Utilizador
ELECTRICAL PROTECTION: SYSTEM 85 AND DEFINITY GENERIC 2 WITH TRADITIONAL MODULES
3-9
TABLE 3-3. System 85 and DEFINITY Generic 2 with Traditional Modules Protection Matrix
Protector
Enhanced
Primary
Secondary
Line
AT&T
System 85/
G2 Traditional
Circuit
Packs/
Circuit
Exposed
Circuits/
Circuits/
On-Off
Premises
Terminal
Trunk
Sneak
Current
Protection
Required
Primary
AT&T
4C3S-75
Notes
3b1A 3b1E-W 4B1C 4B1E-W
ITW PDP
DLP
All
ANN11/1
Yes/Both
DS1
Yes
- -
Yes
--
Yes
NA
NA NA
NA
1
NOTES:
1.
2.
3.
4.
4.
5.
6.
7.
7.
8.
The ANN11, 15, 16, and 35 all require channel service units (CSU) as the network interface (NI). If the NI
is provided, then primary protection is provided between the NI and network facilities. Gas tube protectors
are recommended.
Circuit pack not approved for exposed applications.
are recommended.
Circuit pack not approved for exposed applications.
Analog line circuit packs require primary protection.
The SN233C must be protected by console repeaters and primary protection when used for exposed console
service.
The SN233C requires primary protection when used for off-premises tie-trunk service.
When the SN270 requires DLP protection, then primary protection must also be provided.
Thc 4C3S-75, Comcode 105-581-086, is the preferred protection device for enhanced applications.
The protection matrix applies to these and later vintages.
The protection matrix applies to these and later vintages.