For information on the configuration of HG 1500 boards, refer to the HG 1500 Administration Manual .

Table 2-27

Technical Specifications (Resources) of the HG 1500 Boards Defined as Media Gateways

Resource	HXGS3    HXGR3		STMI2
	without PDM1	with 1 x PDM1
Routing channels   A routing channel is required, for example, for making connections between two IP networks via ISDN (ISDN routing).	16		16
Gateway channels (DSP channels)   A gateway channel is required, e.g., for the connection between an IP telephone/client and a TDM telephone.	8	16	32
Fax/modem channels (G.711)	8	16	32
Fax channels (T.38)   These are special hardware resources which facilitate fax over IP functionality with the T.38 protocol.	2		3
Teleworker with AES encryption and codec G.711/G.729 (sampling rate 20 msec)	8		10
Teleworker with AES encryption and codec G.723 (sampling rate 30 msec)	12		16
DMC channels   These are the gateway channels for Direct Media Connection (DMC) with HiPath 4000 (DMC interworking feature is active.1).	6	12	24
MOH Channels (G.711, G.723, G.729)   The number of MoH channels used depends on the configuration (HiPath 3000/5000 Manager E).	5		5
LAN connections   Number of LAN connections that can be used as DSL connections.	2    1		2    1

1The number of gateway channels available (DSP channels) is reduced as soon as the DMC interworking feature is activated with HiPath 3000/5000 Manager E.

Table 2-28

HG 1500 - Board-Specific Capacity Limits (Maximum Configuration)

Function	HXGS3    HXGR3		STMI2
	without PDM1	with 1 x PDM1
PPP Routing Partner	70		70
MOH data streams	10		10