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MERLIN LEGEND Communications System Release 6.0
System Manager’s Guide
555-660-118
Issue 1
February 1998
Customer Support Information
Page A-3Installation and Operational Procedures
A
If there are no directly terminated trunks, or if the only directly
terminated facilities are personal lines, report the number
AS5USA-65646-PF-E.
The REN (Ringer Equivalence Number) for all three systems is 1.5A.
— The facility interface code (FIC) and service order code (SOC):
For tie line connection, the FIC is TL31M and the SOC is 9.0F.
For connection to off-premises stations, the FIC is OL13C and the
SOC is 9.0F.
For equipment to be connected to DID facilities, the FIC is 02RV2-T
and the SOC is AS.2.
—
For equipment to be connected to 1.544-Mbps digital
service, the SOC is 6.0P and the FIC is:
— 04DU9-BN for D4 framing format with AMI zero code
suppression.
— 04DU9-DN for D4 framing format with bipolar 8 zero
code suppression (B8ZS).04DU9-IKN for extended
superframe format (ESF) with AMI zero code
suppression.
— 04DU9-ISN with ESF and B8ZS.
For equipment to be connected to 56-Kbps or 64-Kbps digital
facilities, the FIC is 02B1Q.
— The quantities and USOC numbers of the jacks required.
— For each jack, the sequence in which lines are to be connected, the line
types, the FIC, and the REN by position when applicable.
■ Ringer Equivalence Number (REN). The REN is used to determine the
number of devices that may be connected to the telephone line. Excessive
RENs on the line may result in the devices not ringing in response to an
incoming call. In most, but not all, areas the sum of the RENs should not
exceed five (5.0). To be certain of the number of devices that may be
connected to the line, as determined by the total RENs, contact the local
telephone company to determine the maximum REN for the calling area.
■ Disconnection. You must also notify your local telephone company if and
when this equipment is permanently disconnected from the line(s).
Installation and
Operational Procedures 1
The manuals for your system contain information about installation and
operational procedures.