Control Unit IV Reference Manual Setup
529-0004 Ver.3 3-17
Flavor
A flavor is used with a protocol to take into account variations in a protocol. For example,
CSG 2T has several variations that influence the way it responds to certain identification
codes. The basic flavor of a protocol is called “Base” and the other flavors that have been
developed are called “Ext A”, “Ext B”, etc. The following table lists the flavors that are
available for each protocol.
Table 3-6: Protocol variations
Protocol Flavor Characteristics
CSG Base
• Compatible with OBP or multi-tier systems
• Supports tap switching command only
• Does not process the CU IV ID code
• Uses authorization codes 00 (basic) and 01 (pay)
Ext A Same as Base, plus filters characters and waits for start character
Ext B Same as Base but ignores the two end-of-command spaces
Ext C Same as Base but uses authorization codes 39 (basic) and 40 (pay).
Code 40 takes precedence over code 39
ICOR Base
• Compatible with OBP or multi-tier systems
• Supports locate/search commands, upload, download,
immediate switching, deferred switching, group commands,
reset and TPS and CLEARPath commands
• Uses the CU IV ID code
Ext A Same as Base but uses the CU IV ID differently: the Control Unit
processes all commands regardless of CU IV ID, but only sends a
response back if CU IV ID is valid
NTMF Base
• Compatible with multi-tier systems
• Based on BSI/Electroline
• Does not process the CU IV ID code
• Requires logon
SSMN Base
• Compatible with OBP systems
• Supports locate/search, upload/download and deferred
switching commands
• Does not process the CU IV ID code
• Requires logon and supports automatic logoff
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