Nortel Networks 1000 - Manual (Page 120)

120 NT1R20 Off-Premise Station Analog Line card
Card LAN interface
Maintenance data is exchanged with the CPU over a dedicated
asynchronous serial network called the Card LAN link. The Card LAN link
is described in the section
“Intelligent Peripheral Equipment” (page 21) .
The NT1R20 OPS analog line card has the capability of providing an
interrupted dial tone to indicate that a message is waiting or that call
forwarding is enabled. The line card (optionally) receives messages stating
that these conditions exist over the Card LAN Interface and interrupts the
dial tone when either of these conditions are detected.
The OPS analog line card meets UL-1489 and CS03 over-voltage (power
cross) specifications and FCC Part 68 requirements for hazardous and
surge voltage limits.
The NT1R20 OPS Analog Line Card meets UL-1489 and CS03
overvoltage (power cross) specifications and FCC Part 68 requirements for
hazardous and surge voltage limits.
The OPS analog line card meets UL-1489 and CS03 over-voltage (power
cross) specifications and FCC Part 68 requirements for hazardous and
surge voltage limits.
Software service changes
Individual line interface units on the NT1R20 OPS analog line card are
configured to either OPS (for OPS application) or On-premises Station
(ONS) (for ONS application) Class of Service (CLS) in the Analog
(500/2500-type) Telephone Administration program LD 10. See
Table 48
"OPS analog line card configuration" (page 121) .
LD 10 is also used to select unit terminating impedance and balance
network impedance at the TIMP and BIMP prompts, respectively.
The message waiting interrupted dial tone and call forward reminder tone
features are enabled by entering data into the customer data block using
LD 15.
See Software Input/Output Reference — Administration (NN43001-611)
for LD 10 service change instructions.Individual line interface units on the
OPS analog line card are configured to either OPX (for OPS application)
or ONP (for ONS application) Class-of-Service (CLS) using the Analog
(500/2500-type) Telephone Administration program LD 10. See
Table 57
"OPS analog line card - configuration" (page 134) .
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 02.06 Standard
27 August 2008
Copyright © 2003-2008 Nortel Networks
.