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The Inter-Tel 580.2100 is a 4 port single line module for the Inter-Tel / Mitel CS-5000 phone system. The SLM-4 provides four single analog line extensions for use with older single line analog phones or fax machines.
- Mfr. Part #: 580.2100
- Inter-Tel 5000 4-Circuit Single-Line Module (SLM-4)
- 4 Ports
- Provides Analog Single Lines
- Supports Analog Phones or Fax Machines
- Compatible With Mitel CS-5000 and HX-5000 Phone Systems
- Condition: Refurbished
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