Use Of Terminal Block - Nortel Passport 4400 Series Hardware Installation Manual

Passport 4400 Hardware Installation Manual

Use of Terminal Block

!
On FXS and FXO interface modules, the 4-pin terminal block is an alternate
method of connection to the telephone interface equipment. The FXS and FXO
interface modules provide a direct connection to the common signal ground (SG)
of the line power.
On E&M interface modules, the 8-pin terminal block is the only method of
connection to the telephone interface equipment; there is no modular jack.
E&M
Insert Cable
Lead Here
(8 places)
Left Tab
FXO and FXS
4-10
Wiring to the tie trunk terminal block should be carried out by a
Caution:
qualified technician. Wires used for this purpose must be UL type
CM, 22/24 AWG, 8-conductor.
Terminal
Block
Connector
Cover
Insert Cable
Lead Here
(4 places)
Figure 4-9. Terminal Block Cable Connections
Connecting the Expansion Modules
Back Panel Of
Interface Module
1
Secure Cable Leads
Here (8 Places)
Terminal
Block Plug
Right Tab
1
FXS
Secure Cable Leads
Here (4 Places)