Polycom SpectraLink 1725-36028-001 - Manual (Page 16)

SpectraLink 8000 Telephony Gateway Administration Guide
4 : Timing Master
5 : Lit if this gateway is the master gateway, used for timing only
8 = Conn A, Conn B : RJ-21 connector to the telephone cross-connect
demarc block. Connector B is used only with four-wire interface
Digital SpectraLink 8000 Telephony Gateways that work with the
most common brands of telephone systems' (PBX or key systems)
digital ports.
9 = PWR : Power jack that connects to the AC adapter supplying power
to the system.
Use only the Polycom-provided Class II AC Adapter with output 24V
DC, 1A.
10 = Grounding Terminal: (on back panel) Used for grounding when
installing TGA116.
16 PN: 1725-36028-001_T.doc