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+---
+title: CIG G-97X2
+has_children: false
+parent: CIG
+alias: Frontier FOG421
+---
+
+# Hardware Specifications
+
+|                 |                                                     |
+| --------------- | --------------------------------------------------- |
+| Vendor/Brand    | CIG                                                 |
+| Model           | G-97X2                                              |
+| ODM             | ✅                                                  |
+| CPU             | Realtek RTL9606                                     |
+| DRAM            | 128 MB (MXIC MX30LF1G18AC)                          |
+| Flash Size      | 128 MB (Nanya NT5CC64M16GP-DI)                      |
+| CPU Arch        | MIPSBE Realtek Lexra                                |
+| CPU Clock       | 700MHz                                              |
+| Bootloader      | U-Boot CIG custom RSDK 2011                         |
+| System          | Linux 2.6.30.9-cig-sfu-1 (Realtek RSDK-1.5.6p2)     |
+| Ethernet ports  | 4x 1000Base-T                                       |
+| Voice           | 2x POTS                                             |
+| Optics          | SEMTECH 25L95 SC/APC                                |
+| IP address      | GE1 Port - 192.168.100.1/24                         |
+| Web Gui         | ❌                                                  |
+| SSH             | ❌                                                  |
+| Telnet          | ✅                                                  |
+| FTP             | ✅(Basic ftpput/ftpget)                             |
+| Serial          | ✅                                                  |
+| Serial baud     | 115200                                              |
+| Serial encoding | 8-N-1                                               | 
+| Form Factor     | ONT                                                 |
+
+<ImageFigure file="cig/ont-cig-g-97x2-pcb.jpg" alt="G-97X2 PCB" caption="G-97X2 PCB" />
+
+<ImageFigure file="cig/ont-cig-g-97x2-power.png" alt="G-97X2 power connector" caption="G-97X2 power connector" />
+
+
+## List of software versions
+- R4.2.114.054 (Frontier FOG421)
+
+## Enable telnet (not persistent)
+The login password can be generated using the following form:
+
+<CigPassword xgspon :password-len="8" />
+
+```py
+#!/usr/bin/python3
+import sys
+from scapy.all import Ether, Raw, sendp, get_if_list
+
+if len(sys.argv) != 2:
+    print(f"{sys.argv[0]} GPONSN")
+    sys.exit(1)
+
+gpon_sn = sys.argv[1]
+# Convert to GPONabc12345 format - this will also be username for telnet
+gpon_sn = gpon_sn[0:4].upper() + gpon_sn[4:12].lower()
+load = (
+#        | enable bytes                            |
+         b'\xee\xee\x00\x00\x00\x00\xff\xff\xff\xff' + 
+#        | GPON SN (reversed)       | 
+         bytes(gpon_sn, "utf8")[::-1] + 
+#        | Null bytes to XOR SN with itself      |
+         bytes.fromhex("000000000000000000000000") +
+#        | padding |
+         b'a' * 32 
+)
+
+pkt = Ether(dst="ff:ff:ff:ff:ff:ff", type=0xC199) / Raw(load=load)
+for i in get_if_list():
+    if i != "lo":
+        sendp(pkt, iface=i, count=1, verbose=False)
+
+print(f"Login at 192.168.100.1 with username:\n{gpon_sn}")
+
+```
+
+
+## U-Boot access
+```
+# When U-Boot prints:
+**************************************
+*                                    *
+*  KEY -- Enter console terminal     *
+*                                    *
+**************************************
+waiting for your select ...
+
+# Send unlock sequence from terminal
+echo -en "\x1B\x1D\x0F\x0B" > /dev/ttyUSB0
+# Or with Tera Term
+send $1B $1D $0F $0B
+```
+
+
+
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diff --git a/ont-xgs/ont-sercomm-rhg3006.md b/router/sercomm-rhg3006.md
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rename from ont-xgs/ont-sercomm-rhg3006.md
rename to router/sercomm-rhg3006.md
index b6ce329f..d1a869b0 100644
--- a/ont-xgs/ont-sercomm-rhg3006.md
+++ b/router/sercomm-rhg3006.md
@@ -14,7 +14,7 @@ parent: Sercomm
 | Flash           | 4 Gbit (MXIC MX30LF4G28AD) |
 | RAM             | 256 Mb                     |
 | Bootloader      | Broadcom CFE               |
-| 2.5GBaseT       | ?                          |
+| Ethernet        | 1×1Gb WAN/LAN + 3×1Gb LAN  |
 | Optics          | SC/APC                     |
 | IP address      | 192.168.1.1/24             |
 | POTS            | 2x RJ11                    |
diff --git a/ont-xgs/ont-sercomm.md b/router/sercomm.md
similarity index 100%
rename from ont-xgs/ont-sercomm.md
rename to router/sercomm.md