The hardware guide for the SRX1500 shows that the HA port is a standard 1G SFP port and not an SFP+ port, so 10G would not be supported.
Table 3 / Item #11 page 7
The hardware guide for the SRX1500 shows that the HA port is a standard 1G SFP port and not an SFP+ port, so 10G would not be supported.
Table 3 / Item #11 page 7