Hardware Specifications

Vendor	Nokia
Model	XS-010S-Q
ODM	CIG
ODM Product Code	XG-99S
Chipset	Cortina CA8271S
CPU	Dual core CPU (four virtual CPUs) running at 800 MHz
L1 Cache	64KB (32KB instruction, 32KB data)
L2 Cache	256KB with I/O coherency
Manufacter	?
Flash	Macronix MX35LF1GE4AB 1 Gbit (128 MB) SPI NAND
RAM	?
System	?
SFP interfaces	10GBASE-R
Optics	SC/APC
IP address	192.168.100.1
Web Gui	✅ Port 80 user: admin, password: 1234
SSH	✅ (see Enable SSH)
Telnet	✅ Port 23 user: admin, password: 1234 (see Telnet Full Shell)
Form Factor	SFP+

This stick is an OEM of the CIG XG-99S, the same hardware of the FS.com XGS-ONU-25-20NI, and it supports only the PPTP^[1]. A NAND dump is available in the CA8271x repository: in that dump the kernel partition had been erased and the uboot is password protected, with an unknown password.

Module Pinout

PIN	Description
1. VeeT	Module transmitter ground
2. Tx Fault	Transmitter fault indication output
3. TX_DISABLE	Transmitter shut-off input
4. SDA	2-wire serial interface data line (MOD-DEF2) 2: I/O
5. SCL	2-wire serial interface clock (MOD-DEF1) 2 input
6. MOD_ABS	Module absent	connected to VeeT or VeeR in the module
7. DYING GASP1	Dying gasp message indicator input
8. LOS	Loss of signal output
9. VeeR	Module receiver ground
10. VeeR	Module receiver ground
11. VeeR	Module receiver ground
12. RXD	Receiver inverted data output
13. RXD+	Receiver non-inverted data output
14. VeeR	Module receiver ground
15. VCCR	Module receiver 3.3V supply
16. VCCT	Module transmitter 3.3V supply
17. VeeT	Module transmitter ground
18. TXD+	Transmitter non-inverted data input
19. TXD	Transmitter inverted data input
20. VeeT	Module transmitter ground

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1. Hacking CA8271x / CA8289x XGS-PON & 10G-EPON ONTs, YuukiJapanTech/CA8271x https://github.com/YuukiJapanTech/CA8271x ↩︎