Vertical comdial DX-120, Installation And Maintenance Manual

Page: 10 / 146

R
EGULATIONS
DX-120 Installation Manual - Technical Manual Vol I
- 4 -
FCC Regulations (continued)
T
ERMS AND
D
EFINITIONS
Service Order Code (SOC)
Defines type of service and system protection.
EXAMPLES
•
9.0F = analog service, full protection to the network from systems using live
voice. Only registered terminal equipment can be connected to station ports.
• 6.0Y = digital service, provides total protection, including billing protection and
encoded analog content.
Facilities Interface Code (FIC)
A tariff reference used by customers to order correct facilities to be provided by the telco.
EXAMPLES
•
02LS2 = analog service, 2-wire, local switched access, loop-start
• 02RV2-T = analog service, 2-wire, local switched access, reverse-battery
• 04DU9-1SN = digital service, 1.544 Mbps ANSI ESF and B8ZS without line
power
Ringer Equivalence Number (REN)
Useful in determining the quantity of devices that may be connected to the telephone line and still have all of those
devices ring when the telephone number is called. In most, but not all areas, the sum of the REN’s of all devices
connected to one line should not exceed five (5.0). To be certain of the number of devices that you may connect to
your line, you may want to contact your local telephone company to determine the maximum REN for your calling
area.
Universal Service Order Code Connector (USOC Code)
Defines the FCC Part 68 approved telco provided connector, electrically and mechanically, required to interface
with the customer equipment. To avoid legal, warranty, insurance, and casualty problems, do not pass anything
through the network connector other than those permitted in the FCC Part 68 RJ series connectors. Definitions of
connectors are as follows:
EXAMPLES
•
RJ21X is a 25 line, 2-wire, T/R, 50 position connector,
• RJ48C is a single line, 4-wire, T/R, T1/R1, 1.544 Mbps, 8-position connector.
Regulations (continued on next page)